Inserting TextBox Values To Database Using SqlDataSource.Insert Method
Oct 25, 2006
Hi, it is few days I posted here my question, but received no answer. Maybe the problem is just my problem, maybe I put my question some strange way. OK, I try to put it again, more simply.
I have few textboxes, their values I need to transport to database. I set SqlDataSource, parameters... and used SqlDataSource.Insert() method. I got NULL values in the database's record. So I tried find problem by using Microsoft's sample code from address http://msdn2.microsoft.com/en-us/library/system.web.ui.webcontrols.sqldatasource.insert.aspx. After some changes I tried that code and everything went well, data were put into database. Next step was to separate code beside and structure of page to two separate files followed by new test. Good again, data were delivered to database. Next step: to use MasterPage, very simple, just with one ContentPlaceHolder. After this step the program stoped to deliver data to database and delivers only NULLs to new record. It is exactly the same problem which I have found in my application. The functionless code is here:
http://forums.asp.net/thread/1437716.aspx
I cannot find any answer this problem on forums worldwide. I cannot believe it is only my problem. I compared html code of two generated pages - with maserPage and without. There are differentions in code in ids' of input fields generated by NET.Framework:
Without masterpage:
<input name="NazevBox" type="text" id="NazevBox" />
<span id="RequiredFieldValidator1" style='color:Red;visibility:hidden;'>Please enter a company name.</span>
<p>
<input name="CodeBox" type="text" id="CodeBox" />
<span id="RequiredFieldValidator2" style='color:Red;visibility:hidden;'>Please enter a phone number.</span>
<p>
<input type="submit" name="Button1" value="Insert New Shipper" onclick="javascript:WebForm_DoPostBackWithOptions(new WebForm_PostBackOptions("Button1", "", true, "", "", false, false))" id="Button1" />
With masterpage:
<input name="ctl00$Obsah$NazevBox" type="text" id="ctl00_Obsah_NazevBox" />
<span id="ctl00_Obsah_RequiredFieldValidator1" style='color:Red;visibility:hidden;'>Please enter a company name.</span>
<p>
<input name="ctl00$Obsah$CodeBox" type="text" id="ctl00_Obsah_CodeBox" />
<span id="ctl00_Obsah_RequiredFieldValidator2" style='color:Red;visibility:hidden;'>Please enter a phone number.</span>
<p>
<input type="submit" name="ctl00$Obsah$Button1" value="Insert New Shipper" onclick="javascript:WebForm_DoPostBackWithOptions(new WebForm_PostBackOptions("ctl00$Obsah$Button1", "", true, "", "", false, false))" id="ctl00_Obsah_Button1" />
In second case ids' of input fields have different names, but I hope it is inner business of NET.Framework.
There must be something I haven't noticed, maybe NET's bug, maybe my own. Thanks for any suggestion.
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Oct 6, 2007
the error message I get is
{"Object reference not set to an instance of an object."}
and it points to < Tickr As String = CType(FindControl("TickerTextbx"), TextBox).Text >
this is my code":
Protected Sub TickMastBtn_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles TickMastBtn.Click
REM Collect variablesDim Tickr As String = CType(FindControl("TickerTextbx"), TextBox).Text
Dim Comp As String = CType(FindControl("CoTextbx"), TextBox).TextDim Exch As String = CType(FindControl("ExchTextbx"), TextBox).Text
REM Create connection and command objectsDim cn As New SqlConnection("Data Source=.SQLEXPRESS;AttachDbFilename=C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDataVTRADE.mdf;Integrated Security=True;Connect Timeout=30;User Instance=True")Dim cmd As New SqlCommand
cmd.Connection = cn
REM Build our parameterized insert statementDim sql As New StringBuilder
sql.Append("INSERT INTO TickerMaster ")sql.Append("(Ticker,Company,Exchange,) ")sql.Append("VALUES (@Tickr,@Comp,@Exch,)")
cmd.CommandText = sql.ToString
REM Add parameter values to command
REM Parameters used to protect DB from SQL injection attacksWith cmd.Parameters
.Add("Tickr", SqlDbType.Int).Value = Tickr.Add("Comp", SqlDbType.VarChar).Value = Comp
.Add("Exch", SqlDbType.VarChar).Value = Exch
End With
REM Now execute the statement
cn.Open()
cmd.ExecuteNonQuery()
cn.Close()
End Sub
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Feb 9, 2006
I have a database with columnsuserOwnListsuserID uniqueidentifieruserName nvarchar100userList nvrachar100createdDateI
have created successfully a gridview controller to edit these values in
database. The Gridview data is populated by SqlDataSource.I
have also created a EmptyDataTemplate and created a form into it.
There is only one textBox and submit button to create the First entry
to userOwnLists -table.Now I collect the value from EmptyDataTemplate textbox with id userList1 and create a codebehind logic for the submitbutton.protected void Button2_Click(object sender, EventArgs e) { TextBox listName = (TextBox)this.FindControl("listName1", GridView1.Controls);SqlDataSource1.InsertParameters["userId"].DefaultValue = Membership.GetUser().ProviderUserKey; SqlDataSource1.InsertParameters["userName"].DefaultValue = Membership.GetUser().UserName.ToString(); SqlDataSource1.InsertParameters["listName"].DefaultValue = listName.Text; SqlDataSource1.InsertParameters["createdDate"].DefaultValue = DateTime.Now.ToString(); SqlDataSource1.Insert(); }The problem is now that I get error: Exception Details: System.Data.SqlClient.SqlException:
Implicit conversion from data type sql_variant to uniqueidentifier is
not allowed. Use the CONVERT function to run this query.OK. So I Googled a bit and found this:http://scottonwriting.net/sowblog/posts/4690.aspxMy Question is: How do I convert userId so I can insert it to database successfully?This does not work:String userId = Membership.GetUser().ProviderUserKey.ToString(); SqlDataSource1.InsertParameters["userId"].DefaultValue = Convert.ToString(userId);
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Jul 23, 2005
I developed a console application that will continually check a messagequeue to watch for any incoming data that needs to be inserted into MSSQL database.What would be a low-cost method I could use inside this consoleapplication to make sure the MS SQL database is operational before Iperform the insert?
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Sep 20, 2007
I need to insert some values into a table and after that catch the ID inserted.
I set some input parameters in stored procedure and only one to get the @id defined as output
SqlParameter paramIdPedido = new SqlParameter("@APP_IDPEDIDO", SqlDbType.Int, 4);paramIdPedido.Direction = ParameterDirection.Output;cmd.Parameters.Add(paramIdPedido);
Do I have to run cmd.ExecuteNonQuery(); to record first what I need and afterrun ExecuteReader: something like SqlDataReader dr = cmd.ExecuteReader();while (dr.Read()... to get the ID)
From stored procedure:
INSERT table(fields) VALUES(vars)SELECT TOP 1 @id = id FROM table ORDER BY id DESC
I must do all these steps or maybe is there anything less complex to do?
Thanks!
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May 24, 2007
I want to add up the values in a couple of text boxes in another textbox. How do I refer to the textboxes?
fields!textbox1.value doesn't work..what does?
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Dec 12, 2006
I have 5 textboxs and 1 botton in web form. I want to click botton and insert all data in textbox to database that using sql server 2005. Please help me
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Mar 31, 2008
Let's say you had a User table and one of the fields was called Deceased. It's a simple closed-ended question, so a bit value could be used to satisfy the field, if the person is dead or alive. Let's say another field is called EyeColor. A person can have only one eye color and thus one answer should be stored in this value, so this is easy as well.
Now, let's say I want to store all the languages that a specific user can speak. This isn't as easy as the previous examples since it's not a yes or no or a single-value answer. I haven't had much experience with working with databases so I've come up with two possible ways with my crude knowledge hehe.
In terms of inputting the multi-answer values, I suppose I could use a multiple-selection listbox, cascading dropdowns, etc. Now, here are the 2 solutions that came to mind.....
1) Make a field called LanguagesSpoken in the User table. When I process the selections the user makes on the languages he knows, I can then insert into the LanguagesSpoken field a string "English, Spanish, Czech" or IDs corresponding to the languages like "1, 5, 12" (these IDs would be referenced from a separate table I guess). I would use commas so that later on, when I need to display a user's profile and show the user's languages, I can retrieve that long string from the LanguagesSpoken field, and parse the languages with the commas I've used. Using commas would just be a convention I use so I would know how to parse (I could have used "." or "|" or anything else I guess) the data.
2) Forget about the LanguagesSpoken field in the User table altogether, and just make a LanguagesSpoken table. A simple implementation would have 3 fields (primary key, userId, languageId). A row would associate a user with a language. So I would issue a query like "SELECT * FROM LanguagesSpoken WHERE userId=5" (where userId=5 is some user). Using this method would free me from having to store a string with delimited values into the User table and then to parse data when I need them. However, I'm not sure how efficient this method would be if the LanguagesSpoken table grows really large since the userIds would NOT be contiguous, the search might take a long time. I guess I would index the userId field in the LanguagesSpoken table for quicker access?
OR, I may be going about this the wrong way and I'm way out on left field with these 2 solutions. Is there a better way other than those 2 methods?
I haven't work extensively with databases and I'm just familiar with the basics. I'm just trying to find out the best-practice implementation for this type of situation. I'm sure in the real world, situations like this is very common and I wonder how the professionals code this.
Thanks in advance.
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Aug 12, 2015
I am trying to insert a value in the table. Sometimes the value has this symbol at the end. I just want insert the entire value except this symbol. The values can be like this that I am insert in the table
Insert into Table1(col1)
Values (12345§ )
The values can be, below is just an example
12345§
3456DER§
5678D
FGR564
I want to insert only these values from the above data
12345
3456DER
5678
FGR564
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Mar 6, 2006
I am working with a Detailsview. I am displaying information from a number of different tables, and so when I configure the datasource I have to specify a custom sql statement. I can get it to display the right columns, but I cannot seem to be able to use a where statement.
I am wanting to display the info in the Detailsview based on what is entered into a textbox, but I get an error when I try to add in the where statement. Can someone tell me what I am missing here?
Thanks
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Sep 12, 2005
I have been trying to add values to a database and it keeps failing
i have no idea what i am doing wrong please help the code is asp.net
using vb. I have been having serious trouble passing check boxes in
forms from day one both singularly and dynamically from datagrids
if someone could show me some sample code of how to pass these
sort of values into the component and on to the query in this way
i would very much appreciate it.
Fuzzygoth
the error returned is
Description: An
unhandled exception occurred during the execution of the current web
request. Please review the stack trace for more information about the
error and where it originated in the code.
Exception Details: System.Data.SqlClient.SqlException:
INSERT statement conflicted with COLUMN FOREIGN KEY constraint
'tblStation_FK00'. The conflict occurred in database 'TealSQL', table
'tblTravelPoint', column 'travelpointID'.
The statement has been terminated.
I have marked the area of the code the error is returned in the colour Violet and with a ##
The code i am using is below
## The aspx page ##
<%@ Page Language="vb" Debug="true" Trace="True"
Inherits="Devotion2Motion.AdminComp"
Src="../CodeBehind/AdminModule.vb" %>
<!-- Binds the ActivityResortInfo.ascx user control to the page -->
<%@ Register TagPrefix="UserContol" TagName="D2MHeader" Src="../UserControls/Header.ascx" %>
<%@ Register TagPrefix="UserContol" TagName="D2MFooter" Src="../UserControls/Footer.ascx" %>
<%@ Register TagPrefix="UserContol" TagName="TravelPointDD" Src="../UserControls/TravelPointDD.ascx" %>
<script language="vb" runat="server">
Sub Page_Load()
If IsPostback = True Then
Dim aInternational As Integer
Dim Station As String = Request.Form("StationFrm")
Dim Type As String = Request.Form("TypeFrm")
Dim Address1 As String = Request.Form("address1Frm")
Dim Address2 As String = Request.Form("address2Frm")
Dim City As String = Request.Form("cityFrm")
Dim International As String = Request.Form("InternationalFrm")
Dim TravelPoint As Integer = Request.Form("_ctl5:dsTravelPointDD")
If IsNothing(International) Then
aInternational = "0"
Else
aInternational = "1"
End If
Dim AdminTravelPoints As New Devotion2Motion.AdminComp()
' Select the country dropdown list
AdminTravelPoints.AddStation(Station, Type, Address1, Address2, City,
aInternational, TravelPoint)
End If
Dim ReadResultTable As New Devotion2Motion.AdminComp()
' Select the country dropdown list
dsResultSet.DataSource = ReadResultTable.GetStationtbl()
dsResultSet.DataBind()
End Sub
</script>
<!-- This UserControl Pulls in the header UserControl and the Div Tag Positions it #css reffrence is TopControl -->
<Div Class="TopControl">
<UserContol:D2MHeader runat="server"/>
</Div>
<form method="post" action="AdminTravelPoint.aspx" runat="server">
<Div Class="CentreControl">
<table border="0">
<tr>
<td>
<asp:Label Text="Station Name: " CssClass="BodyStyle" runat="server"/>
</td>
<td>
<asp:TextBox ID="StationFrm" CssClass="PrimaryGrid" runat="server"/>
</td>
<tr>
<tr>
<td>
<asp:Label Text="Type: " CssClass="BodyStyle" runat="server"/>
</td>
<td>
<asp:TextBox ID="TypeFrm" CssClass="PrimaryGrid" runat="server"/>
</td>
<tr>
<tr>
<td>
<asp:Label Text="Address1: " CssClass="BodyStyle" runat="server"/>
</td>
<td>
<asp:TextBox ID="Address1Frm" CssClass="PrimaryGrid" runat="server"/>
</td>
<tr>
<tr>
<td>
<asp:Label Text="Address2: " CssClass="BodyStyle" runat="server"/>
</td>
<td>
<asp:TextBox ID="Address2Frm" CssClass="PrimaryGrid" runat="server"/>
</td>
<tr>
<tr>
<td>
<asp:Label Text="City: " CssClass="BodyStyle" runat="server"/>
</td>
<td>
<asp:TextBox ID="CityFrm" CssClass="PrimaryGrid" runat="server"/>
</td>
<tr>
<tr>
<td>
<asp:Label Text="International: " CssClass="BodyStyle" runat="server"/>
</td>
<td>
<asp:CheckBox ID="InternationalFrm" CssClass="PrimaryGrid" runat="server"/>
</td>
<tr>
</tr>
<td>
<asp:Label Text="Travel Point: " CssClass="BodyStyle" runat="server"/>
</td>
<td>
<UserContol:TravelPointDD runat="server"/>
</td>
<tr>
</tr>
<td>
</td>
<td>
<input value="Submit" type="submit">
</td>
</tr>
</table>
</Div>
<asp:DataGrid ID="dsResultSet" AutoGenerateColumns="False" CssClass="PrimaryGrid" ShowHeader="true" runat="server">
<Columns>
<asp:BoundColumn DataField="StationID" ReadOnly="true" HeaderText="Station ID"/>
<asp:BoundColumn DataField="Station" ReadOnly="true" HeaderText="Station"/>
<asp:BoundColumn DataField="Type" ReadOnly="true" HeaderText="Type"/>
<asp:BoundColumn DataField="Address1" ReadOnly="true" HeaderText="Address"/>
<asp:BoundColumn DataField="Address2" ReadOnly="true" HeaderText=" "/>
<asp:BoundColumn DataField="City" ReadOnly="true" HeaderText="City"/>
<asp:BoundColumn DataField="International" ReadOnly="true" HeaderText="International"/>
<asp:BoundColumn DataField="TravelPoint" ReadOnly="true" HeaderText="City"/>
</Columns>
</asp:DataGrid>
</form>
<Div Class="CenterControl">
<UserContol:D2MFooter runat="server"/>
</Div>
##the vb componet that passess to the sql query ##
Public Function AddStation(ByVal Station As String, ByVal Type As
String, ByVal Address1 As String, ByVal Address2 As String, ByVal City
As String, ByVal aInternational As Integer, ByVal TravelPoint As
Integer) As SqlDataReader
' Create Instance of Connection and Command Object
Dim
myConnection As New
SqlConnection(ConfigurationSettings.AppSettings("strConn"))
Dim
myCommand As New SqlCommand("sp_call_Station_Insert", myConnection)
' Mark the Command as a SPROC
myCommand.CommandType = CommandType.StoredProcedure
' Add Parameters to SPROC
Dim
parameterStation As New SqlParameter("@Station", SqlDbType.NVarChar, 50)
parameterStation.Value = Station
myCommand.Parameters.Add(parameterStation)
' Add Parameters to SPROC
Dim
parameterType As New SqlParameter("@Type", SqlDbType.NVarChar, 50)
parameterType.Value = Type
myCommand.Parameters.Add(parameterType)
' Add Parameters to SPROC
Dim
parameterAddress1 As New SqlParameter("@Address1", SqlDbType.NVarChar,
50)
parameterAddress1.Value = Address1
myCommand.Parameters.Add(parameterAddress1)
' Add Parameters to SPROC
Dim
parameterAddress2 As New SqlParameter("@Address2", SqlDbType.NVarChar,
50)
parameterAddress2.Value = Address2
myCommand.Parameters.Add(parameterAddress2)
' Add Parameters to SPROC
Dim
parameterCity As New SqlParameter("@City", SqlDbType.NVarChar, 50)
parameterCity.Value = City
myCommand.Parameters.Add(parameterCity)
' Add Parameters to SPROC
Dim
parameteraInternational As New SqlParameter("@aInternational",
SqlDbType.Int, 4)
parameteraInternational.Value = aInternational
myCommand.Parameters.Add(parameteraInternational)
' Add Parameters to SPROC
Dim
parameterTravelPoint As New SqlParameter("@TravelPoint", SqlDbType.Int,
4)
parameterTravelPoint.Value = TravelPoint
myCommand.Parameters.Add(parameterTravelPoint)
' Execute the command
myConnection.Open()
## Dim result As SqlDataReader = myCommand.ExecuteReader(CommandBehavior.CloseConnection)
' Return the datareader
Return result
End Function
## The sql stored procedure ##
CREATE PROCEDURE [dbo].[sp_call_Station_Insert]
(
@Station As nVarChar(50),
@Type As nVarChar(50),
@address1 As nVarChar(50),
@address2 As nVarChar(50),
@City As nVarChar(50),
@aInternational As nVarChar(50),
@TravelPoint As Int
)
AS
DECLARE @ConVale As nVarChar(50)
SET @ConVale = (SELECT Station FROM tblStation WHERE @Station = Station)
If @ConVale = @Station
BEGIN
SELECT * FROM tblStation
END
ELSE
BEGIN
insert into tblStation
(Station, Type, address1, address2, city, International, TravelPoint)
values (@Station, @Type, @address1, @address2, @City, @aInternational, @TravelPoint)
SELECT * FROM tblStation
END
GO
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Jul 3, 2006
I enter a id in the textbox and based on that it give me a list of all entries in gridview that use that id.This works.But if I leave it blank it gives me nothing. I want to make it so if I leave it blank it give me all the id's.Do I have to modify the sqldatasource on pageload?
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Mar 9, 2007
Hi, I wants to bind textbox with sqldatasource in c#.net so I am using following code and has following error... Exception Details: System.NullReferenceException: Object reference not
set to an instance of an object.Source Error:
Line 22: Line 23: System.Data.DataView dv = (DataView) SqlDataSource1.Select(System.Web.UI.DataSourceSelectArguments.Empty);Line 24: TextBox1.Text = dv[0]["Proid"].ToString();Line 25: Line 26: }Please, anybody knows solution tell me
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Jan 15, 2008
Hi!
I have a page (a search page) with sqldatasource, gridview and set of textboxes. The sqldatasource is using stored procedure with parameters. Using the visual wizard i'm associating the parameters with apropriate textboxes controls. It all works, like a charm.
The problem arises when I input some dangerous code in any textbox , like ' or % .
I'm having exception about unenclosed strings, generally info about the possibility of sql injection.
I thought that using ControlParameters, any Parameter in fact is sqlinjection safe, but apparently it isn't.
Does anyone know the right way of achieving my goal? It's very urgent.
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Feb 8, 2006
Hi,
I'm a newbie to to asp.net. I have been trying to get this done but have no idea how to go about to do it. I am using Visual Studio Express 2005 and SQL Server Express 2005.
I have a database "RECORDS" and a table "NAME" with columns "NAMEID - int" and "NAMERECORDS - varchar(50)"
I opened new website asp.net using vb. In the default I have one textbox (textbox1) and button (button1).
I wish to insert a new NAME to the database whenever I click the Button1. I have created the INSERT command but unsure how to code it. I appreciate anyone can show me how to insert to the database whatever is being typed in the textbox whenever I click the button1. Thanks in advance.
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Feb 28, 2007
I have a SQL database with 1 column in it.. it is a do not call registry for my office. I want to make a web application so our leads can go on the web and request to be put on the do not call list. problem is, if their number already exists, it gets a violation of primary key... Normal handling for this would be to do a select query based on user input, and if it exists in the database, tell them that, else do the insert query... Problem is, i cant seem to figure out how to bind the result of the select query to a textbox or label so i can compare the results to do that logic. Any ideas? This is in asp .net 2.0. Thanks! -Dan
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Apr 9, 2007
I have a DataReader on a web page: <asp:SqlDataSource ID="ChangeInfoRecord" runat="server" ConnectionString..........
I want to display the value of one of the returned field in a text box. What is the correct syntax? I tried
RolledFromDisplay.Text = ChangeInfoRecord("RolledFrom")
but that isn't it.
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Sep 4, 2007
my problem is i can't retrieve data from my sqldatasource to be displayed in textbox... i try to do it in vb codes. somebody help me here?
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Jan 30, 2008
I want to fill text box using sqldatasource ...
how can i do that ??
thanx in advace ..
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Feb 17, 2008
I have a sqlDatasource with 3 parameters based on the input of 3 text boxes on the page. The datasource returns sales details for a company based on a from and to date. I am attempting to set the value of the 3 parameters in the Selecting event of the datasource control but I'm not getting any data back. If I set the values literally then I get data back. Also when I step through the code I can see the 3 parameters getting their values from the textboxes and the drop down list as they should. This is driving me insane as I'm new to .net and just can't see what is stopping me retrieving the data when using the form fields to set the datasources parameters. Below is the aspx and the code behind for the page. Thanks in advance for any help. aspx..... <%@ Page Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="LabelSales.aspx.cs" Inherits="LabelSales" Title="Untitled Page" %><asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server"> <asp:SqlDataSource ID="SqlDataSourceSales" runat="server" EnableCaching="false" ConnectionString="<%$ ConnectionStrings:streetwisedigitalConnectionString %>" SelectCommand="DL_GET_SALES_BY_LABEL" SelectCommandType="StoredProcedure" OnSelecting="SqlDataSourceSales_Selecting" > <SelectParameters> <asp:Parameter Name="fromDate" /> <asp:Parameter Name="toDate" /> <asp:Parameter Name="label" /> </SelectParameters> </asp:SqlDataSource> <asp:SqlDataSource ID="SqlDataSourceLabels" runat="server" SelectCommand="select label_id, label_name from dl_label order by label_name asc" ConnectionString="<%$ConnectionStrings:streetwisedigitalConnectionString%>"> </asp:SqlDataSource> <div> <table> <tr> <td>Start Date: </td> <td> <asp:TextBox ID="FromDate" Runat="server" Width="70"/> <asp:Button ID="btnFrom" Runat="server" Text="..." UseSubmitBehavior="false" /> </td> </tr> <tr> <td>End Date: </td> <td> <asp:TextBox id="ToDate" Runat="server" Width="70" /> <asp:Button ID="btnTo" Runat="server" Text="..." UseSubmitBehavior="false" /> </td> </tr> <tr> <td>Label: </td> <td> <asp:DropDownList ID="LabelList" Runat="server" DataSourceID="SqlDataSourceLabels" DataTextField="label_name" DataValueField="label_name"> </asp:DropDownList> </td> </tr> <tr> <td colspan="2" align="right"> <asp:Button ID="Button1" OnClick="SubmitButton_OnClick" Text="View Sales" runat="server" /> </td> </tr> </table> <p> <asp:GridView ID="GridViewSales" runat="server" DataSourceID="SqlDataSourceSales" ShowFooter="True" AllowSorting="True" AutoGenerateColumns="False" OnRowDataBound="GridViewSales_RowDataBound" EmptyDataText="No data to display."> <Columns> <asp:BoundField DataField="cat_no" HeaderText="Cat No" /> <asp:BoundField DataField="artist" HeaderText="Artist" /> <asp:BoundField DataField="title" HeaderText="Title" /> <asp:BoundField DataField="remix" HeaderText="Remix" /> <asp:BoundField DataField="qty" HeaderText="Sold" /> <asp:boundfield datafield="commission" HtmlEncode="False" dataformatstring="{0:F2}" headertext="Commission"> <ItemStyle HorizontalAlign="Right" /> </asp:boundfield> </Columns> </asp:GridView> </p> </div></asp:Content>code behind...using System;using System.Data;using System.Configuration;using System.Collections;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;public partial class LabelSales : System.Web.UI.Page{ int totalSold; decimal totalCommssion; protected void GridViewSales_RowDataBound(object sender, GridViewRowEventArgs e) { // add column totals to gridview if (e.Row.RowType == DataControlRowType.DataRow) { totalSold += (int)DataBinder.Eval(e.Row.DataItem, "qty"); totalCommssion += (decimal)DataBinder.Eval(e.Row.DataItem, "commission"); } // display the totals else if (e.Row.RowType == DataControlRowType.Footer) { e.Row.Cells[0].Text = "<b>Total</b>"; e.Row.Cells[4].Text = totalSold.ToString(); e.Row.Cells[5].Text = totalCommssion.ToString("f2"); } } protected void Page_Load(object sender, EventArgs e) { } protected void SqlDataSourceSales_Selecting(object sender, SqlDataSourceSelectingEventArgs e) { // *** This method does not work *** e.Command.Parameters[0].Value = FromDate.Text; e.Command.Parameters[1].Value = ToDate.Text; e.Command.Parameters[2].Value = LabelList.Text; // *** This method works! *** e.Command.Parameters[0].Value = "02/01/2007"; e.Command.Parameters[1].Value = "02/01/2008"; e.Command.Parameters[2].Value = "Fat!"; } protected void SubmitButton_OnClick(object sender, EventArgs e) { SqlDataSourceSales.Select(DataSourceSelectArguments.Empty); }} Many thanks Simon
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Jun 17, 2008
Hello all....
I am trying to submit data from a form(textbox) to a sql table. but I am getting an error message "NullReferenceException was unhandled by user code" Can any help me with this? This is my code inProtected Sub btnSubmit_ServerClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnSubmit.Click
Dim cnstr As String = ConfigurationManager.ConnectionStrings("ConnectionString").ToString()Dim pa1 As Data.SqlClient.SqlParameter = New Data.SqlClient.SqlParameter("Keyword", Data.SqlDbType.VarChar, 50, Data.ParameterDirection.Input)
pa1.Value = Keyword.Text
SqlHelper.ExecuteNonQuery(cnstr, Data.CommandType.StoredProcedure, "spNewRec", pa1)
Thanks in advance...
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Jan 17, 2008
Beginner question, I know -- but in ASP.NET 2.0, I can't figure out (or find out) how to populate a TextBox with data from the db using a SqlDataSource control (without using a formview control)???
Any help would be greatly appreciated!!
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Apr 5, 2008
Hi All,
i want to use sqldatasource with controlparameters.there are some textboxes and a dropdownlist on my page.i can easily insert and delete records on database table by using these controls as controlparameters by sqldatasource insert() and delete() method but updating fails.i use try catch block to see the error but no errors found.And also update() method returns 1 that indicates that it worked fine but when i look into the database i see that the record is not updated.i am stucked and surprised.any ideas please?
Thanks
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Apr 27, 2008
Hi,
I am using a grid view with parameter defined in dropdown list. the asp code is:
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:Pubs %>"
SelectCommand="SELECT [au_id], [au_lname], [au_fname], [state] FROM [authors] WHERE ([state] = @state)"
DeleteCommand="DELETE FROM [authors] WHERE [au_id] = @au_id">
<SelectParameters>
<asp:ControlParameter ControlID="DropDownList1" Name="state" PropertyName="SelectedValue"
Type="String" /></SelectParameters>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:Pubs %>"
SelectCommand="SELECT [au_id], [au_lname], [au_fname], [state] FROM [authors] WHERE ([state] = @state)"
DeleteCommand="DELETE FROM [authors] WHERE [au_id] = @au_id">
<SelectParameters>
<asp:ControlParameter ControlID="DropDownList1" Name="state" PropertyName="SelectedValue"
Type="String" />
</SelectParameters>
</asp:SqlDataSource>
</asp:SqlDataSource>
I would like to to set the parameter assignment in my VB code in Page_Load methodWhen i am using:
SqlDataSource1.SelectParameters("state").DefaultValue = DropDownList1.Text
SqlDataSource1.SelectCommand = "SELECT [au_id], [au_lname], [au_fname], [state] FROM [authors] WHERE ([state] = @state)"I get error message saying: Object reference not set to an instance of an object.
Any ideas how I can set the select parameters (in my VB code) to use the dropdown list I have in my page?
Thanks,
Uzi
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Dec 1, 2005
hiplz can any one tellHow should i use select method of SqlDatasourceplz show little code toothanks
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Jan 7, 2008
Creating custom Register form That inserts user info in to database via storeprocgetting following errorCompilation Error
Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.
Compiler Error Message: BC30456: 'ValidateInput' is not a member of 'System.Web.UI.WebControls.TextBox'.
Source Error:
Line 3496: Me.__BuildControlTree(Me)
Line 3497: Me.AddWrappedFileDependencies(Global.ASP.partfrm_aspx.__fileDependencies)
Line 3498: Me.Request.ValidateInput
Line 3499: End Sub
Line 3500:
>.ASPX <asp:Wizard ID="AddParticipantWizard" OnFinishButtonClick="AddParticipant_FinishButtonClick" FinishDestinationPageUrl="~/partReg.aspx" runat="server">
<WizardSteps>
<asp:WizardStep ID="WizardStep1" runat="server" Title="Register Participant">
<h3> Register: </h3>
<hr />
<table border="0">
<tr>
<td align="Left" colspan="2">
<h3>
PARTICIPANT INFORMATION: </h3><hr />
Please enter information for the attendee and click 'continue'.</td>
</tr></table>
<table border="0">
<tr>
<td align="right"> Registrant Information
</td>
<td style="width: 232px">
<asp:CheckBox ID="CheckBox1" runat="server" /> Register Me</td>
</tr>
<tr>
<td align="Left" colspan="2">
<table border="0">
<tr>
<td align="right">
<asp:Label ID="FirstNameLabel" runat="server" AssociatedControlID="firstname">First Name:</asp:Label>
</td>
<td style="width: 232px">
<asp:TextBox ID="firstname" runat="server" Width="195px"></asp:TextBox>
<asp:RequiredFieldValidator ID="FirstNameRequired" runat="server" ControlToValidate="firstname"
ErrorMessage="First Name is required." ToolTip="First Name is required." ValidationGroup="AddParticipantWizard">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td align="right">
<asp:Label ID="LastNameLabel" runat="server" AssociatedControlID="lastname">Last Name:</asp:Label>
</td>
<td style="width: 232px">
<asp:TextBox ID="lastname" runat="server" Width="195px"></asp:TextBox>
<asp:RequiredFieldValidator ID="LastNameRequired" runat="server" ControlToValidate="lastname"
ErrorMessage="Last Name is required." ToolTip="Last Name is required." ValidationGroup="AddParticipantWizard">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td align="right">
<asp:Label ID="EmailLabel" runat="server" AssociatedControlID="Email">E-mail:</asp:Label>
</td>
<td style="width: 232px">
<asp:TextBox ID="Email" runat="server" Width="195px"></asp:TextBox>
<asp:RequiredFieldValidator ID="EmailRequired" runat="server" ControlToValidate="Email"
ErrorMessage="E-mail is required." ToolTip="E-mail is required." ValidationGroup="AddParticipantWizard">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr><td style="width: 232px"><br /></td></tr>
<tr>
<td align="right" style="height: 32px">
<asp:Label ID="StreetLabel" runat="server" AssociatedControlID="Street">Street:</asp:Label>
</td>
<td style="width: 232px; height: 32px">
<asp:TextBox ID="Street" runat="server" Width="195px"></asp:TextBox>
<asp:RequiredFieldValidator ID="StreetRequired" runat="server" ControlToValidate="Street"
ErrorMessage="Street is required." ToolTip="Street is required." ValidationGroup="AddParticipantWizard">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr><td></td>
<td> <br />
<br /> ".
</td></tr>
<tr>
<td align="right">
<asp:Label ID="CityLabel" runat="server" AssociatedControlID="City">City:</asp:Label>
</td>
<td style="width: 232px">
<asp:TextBox ID="City" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="CityRequired" runat="server" ControlToValidate="City"
ErrorMessage="City is required." ToolTip="City is required." ValidationGroup="AddParticipantWizard">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td align="right">
<asp:Label ID="StateLabel" runat="server" AssociatedControlID="State">State:</asp:Label>
</td>
<td style="width: 232px">
<asp:TextBox ID="State" runat="server" Width="18px">
</asp:TextBox><asp:RequiredFieldValidator ID="StateRequired" runat="server" ControlToValidate="State"
ErrorMessage="State is required." ToolTip="State is required." ValidationGroup="AddParticipantWizard">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr><td></td>
<td> <br /> <br /> </td></tr>
<tr><td style="width: 232px"><br /></td></tr>
<tr>
<td align="right">
<asp:Label ID="PostalCodeLabel" runat="server" AssociatedControlID="Zip">Postal/Zip<br />
Code:</asp:Label>
</td>
<td style="width: 232px">
<asp:TextBox ID="PostalCode" runat="server" Width="28px"></asp:TextBox>
<asp:RequiredFieldValidator ID="PostalCodeRequired" runat="server" ControlToValidate="PostalCode"
ErrorMessage="PostalCode is required." ToolTip="PostalCode is required." ValidationGroup="AddParticipantWizard">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td align="right">
<asp:Label ID="OrganizationLabel" runat="server" AssociatedControlID="Organization">Organization:</asp:Label>
</td>
<td style="width: 232px">
<asp:TextBox ID="Organization" runat="server" Width="195px"></asp:TextBox>
<asp:RequiredFieldValidator ID="OrganizationRequired" runat="server" ControlToValidate="Organization"
ErrorMessage="Organization is required." ToolTip="Organization is required." ValidationGroup="AddParticipantWizard">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td align="right">
<asp:Label ID="TitleLabel" runat="server" AssociatedControlID="Title">Title:</asp:Label>
</td>
<td style="width: 232px">
<asp:TextBox ID="Title" runat="server" Width="195px"></asp:TextBox>
<asp:RequiredFieldValidator ID="TitleRequired" runat="server" ControlToValidate="Title"
ErrorMessage="Title is required." ToolTip="Title is required." ValidationGroup="AddParticipantWizard">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td align="right">
<asp:Label ID="DepartmentLabel" runat="server" AssociatedControlID="Department">Department:</asp:Label>
</td>
<td style="width: 232px">
<asp:TextBox ID="Department" runat="server" Width="195px"></asp:TextBox>
<asp:RequiredFieldValidator ID="DepartmentRequired" runat="server" ControlToValidate="Department"
ErrorMessage="Department is required." ToolTip="Department is required." ValidationGroup="AddParticipantWizard">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td align="right">
<asp:Label ID="PhoneNumberLabel" runat="server" AssociatedControlID="Phone">Phone Number:</asp:Label>
</td>
<td style="width: 232px">
<asp:TextBox ID="Phone" runat="server" Width="195px"></asp:TextBox>
<asp:RequiredFieldValidator ID="PhoneRequired" runat="server" ControlToValidate="Phone"
ErrorMessage="Phone Number is required." ToolTip="Phone Number is required."
ValidationGroup="AddParticipantWizard">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td align="right">
<asp:Label ID="RequestLabel" runat="server" AssociatedControlID="Request">Any special request:</asp:Label>
</td>
<td style="width: 232px">(e.g, )
</td>
</tr>
<tr>
<td align="right">
</td>
<td style="width: 232px">
<asp:TextBox ID="Request" runat="server" Width="235px"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequestRequiredFieldValidator1" runat="server" ControlToValidate="Request"
ErrorMessage="Request is required." ToolTip="Request is required."
ValidationGroup="AddParticipantWizard">*</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td align="center" colspan="2">
<asp:RegularExpressionValidator ID="EmailRegExp" runat="server" ControlToValidate="Email"
Display="Dynamic" ErrorMessage="The email format is invalid." ValidationExpression="S+@S+.S+"
ValidationGroup="AddParticipantWizard"></asp:RegularExpressionValidator>
</td>
</tr>
<tr>
<td align="center" colspan="2" style="color: red">
<asp:Literal ID="ErrorMessage" runat="server" EnableViewState="False"></asp:Literal>
</td>
</tr>
<tr><td></td>
<td align="right">
</td></tr>
</table>
</td>
</tr>
</table>
<asp:SqlDataSource ID="InsertPartDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:MyConnectionString %>" InsertCommand="PartInsert" InsertCommandType="StoredProcedure">
<InsertParameters>
<asp:ControlParameter ControlID="firstName" Name="firstName" PropertyName="Text"
Type="String" />
<asp:ControlParameter ControlID="lastName" Name="lastName" PropertyName="Text"
Type="String" />
<asp:ControlParameter ControlID="Email" Name="Email" PropertyName="Text"
Type="String" />
<asp:ControlParameter ControlID="Street" Name="Street" PropertyName="Text"
Type="String" />
<asp:ControlParameter ControlID="City" Name="City" PropertyName="Text"
Type="String" />
<asp:ControlParameter ControlID="State" Name="State" PropertyName="Text"
Type="String" />
<asp:ControlParameter ControlID="PostalCode" Name="PostalCode" PropertyName="Text"
Type="String" />
<asp:ControlParameter ControlID="Organization" Name="Organization" PropertyName="Text"
Type="String" />
<asp:ControlParameter ControlID="Title" Name="Title" PropertyName="Text"
Type="String" />
<asp:ControlParameter ControlID="Department" Name="Department" PropertyName="Text"
Type="String" />
<asp:ControlParameter ControlID="Phone" Name="Phone" PropertyName="Text"
Type="String" />
<asp:ControlParameter ControlID="Request" Name="Request" PropertyName="SelectedValue"
Type="String" />
<asp:ControlParameter ControlID="Assistance" Name="Assistance" PropertyName="SelectedValue"
Type="String" />
</InsertParameters>
</asp:SqlDataSource>
</asp:WizardStep>
<asp:WizardStep ID="WizardStep2" runat="server" Title="Completion">
<p>
Your account has been successfully created.
</p>
<asp:Button ID="ContinueButton" runat="server" CommandName="Continue"
Text="Continue" />
</asp:WizardStep>
</WizardSteps>
</asp:Wizard> > CODE-BEHIND 'This event handler fires when the user clicks Finish. We need to insert the new participant record into the database
Protected Sub AddParticipant_FinishButtonClick(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.WizardNavigationEventArgs) Handles AddParticipantWizard.FinishButtonClick
'Insert the Participant into the database
InsertPartDataSource.Insert()
'Send the user back to the homepage
Response.Redirect("~/PartReg.aspx")
End Sub
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Apr 24, 2007
hello everybody, i have a question to ask, suppose i have a sqldatasource, can i use it in a method??this is my case, i need to make a new method to count the rows in a datagrid, so i will have to read the sqldatasource. the problem is, how to retrieve it?? usually i use the built in sqldatasource_selected to count the rows.... is there any other way??
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Jan 31, 2008
I have created a table Table with name as Varchar and id as int. Now i have started inserting the rows like, insert into Table values ('arun',20).Yes i have inserted a row in the table. Now i have got the values " arun's ", 50. insert into Table values('arun's',20) My sqlserver is giving me an error instead of inserting the row. How will you solve this problem?
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Aug 7, 2006
I can't see what is going on, this is the situation:
I call the Pull method, specify the table to be affected, the query to be used, the connection string to the remote SQL server, the tracking options (On) and the Error table. The pull method executes with no errors however, no table is ever created. I don't know why, here's what I have done so far:
I read the SQL BOOKS ONLINE help on preparing RDA, I set up the IIS virtual directory for anonymous access and on the connection string I send in the user name and password for the SQL server, I went into the SQL Server and grated access to the user name to the database that I am going to access and I made the user a db_owner.
So, according to SQL BOOKS ONLINE I have everything right however, it won't populate, so right now I am open to suggestions on how to get this to work, heres the code:
------------------------------------------------------------------------------------------------------------------
string rdaOleDbConnectString = "Provider=SQLOLEDB;Data Source=<Server>;Initial Catalog=<DB>; User Id=<User>;Password=<Password>"; (it's not exactly like this, but in it has the proper values)
string connectionString = "Data Source="\Program Files\client\db\MobileDB.sdf"";
SqlCeRemoteDataAccess rda = new SqlCeRemoteDataAccess("http://10.1.1.206/mobile/sqlcesa30.dll",
connectionString);
IList _tableNames = new ArrayList();
IList _queries = new ArrayList();
############
Code that prepares tables and queries
############
for (int counter = 0; counter < _tableNames.Count; counter++)
{
rda.Pull(_tableNames[counter].ToString(), _queries[counter].ToString(), rdaOleDbConnectString, RdaTrackOption.TrackingOn, "MobileError");
}
the For loop runs with no problems but no data is ever put (or tables created) into the Mobile DB.
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Jul 23, 2007
What is the C# code I use to do this?
I'm guessing it should be fairly simple, as there is only one row selected. I just need to pull out a specific field from that row and then insert that value into a different SqlDataSource.
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Apr 15, 2007
Is there a way in rs to have a textbox more than the first value when it is dragged on the rs form when creating a report? currently when I drag a text box on the rs form, it only shows the first record on a page/form. There are twenty records on the table where the first value came from. How can I make so that twenty text boxes representing twenty records appear on twenty different pages. In other words, I am trying to build a report with a non - tabular structure that can repeat on different pages.
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Feb 8, 2007
Is there a way to reference a value from a textbox in a matrix? In other words I want to pull the value in the textbox that is the column header into a cell in the matrix under certain conditions.
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