How To Use Return Value From SqlDataSource
Nov 3, 2006
I have the following code in my page:
<asp:SqlDataSource ID="SqlHolidayDateRange" runat="server" ConnectionString="(OurConnectionString)"
SelectCommand="CountHolidays" SelectCommandType="StoredProcedure">
<SelectParameters>
<asp:ControlParameter ControlID="WeekEndingDatePicker" Name="EndDate" PropertyName="SelectedDate" />
<asp:Parameter Direction="ReturnValue" Name="RowCount" Type="Int32" />
</SelectParameters>
</asp:SqlDataSource>
I need to place RowCount, the returned integer value from the stored procedure CountHolidays into a field on the web page. How in the world do I access that data?
Everything I've been able to find works if I'm defining my own command object and writing this thing from scratch. What I - and you - have to work with is what's above.
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May 28, 2007
Hi..
how can i insert the sqldatasource return into a string
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:CommerceTemplate %>" SelectCommand="SELECT COUNT(productID) FROM CSK_Store_Product"></asp:SqlDataSource>
this consults return a number of elements in the table, i need insert this number into a string
Thanks...
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Apr 12, 2008
hi
i am trying to get the output of the select statements of sqldatasource :
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack) { DataView dv; dv = (DataView)(this.SqlDataSourcePictures.Select(DataSourceSelectArguments.Empty)); }
}
the problem is that dv returns null ?
and here is the sqldatasource definition in .aspx page
<asp:SqlDataSource ID="SqlDataSourcePictures" runat="server" ConnectionString="<%$ ConnectionString:con1%>"
SelectCommand="SELECT URL FROM SchoolPictures WHERE (School_Code = @School_Code) AND (SchoolPictureCategory = @SchoolPictureCategory)" OnSelecting="SqlDataSourcePictures_Selecting" OnSelected="SqlDataSourcePictures_Selected">
<SelectParameters>
<asp:QueryStringParameter Name="School_Code" QueryStringField="bid" Type="Int16" />
<asp:ControlParameter ControlID="ddlCat" Name="SchoolPictureCategory" PropertyName="SelectedValue"
Type="Int16" />
</SelectParameters>
</asp:SqlDataSource>
thanks for help
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Aug 1, 2006
I have a charting control that is fed from an SqlDataSource. How do I set the SqlDataSource to only return the top N records where N is set by a web form control?The user should have the option to chart the top 3, 5, or 10 items.Is the best approach to switch to an ObjectDataSource?
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Mar 1, 2008
Is there a way to limit the records that SqlDataSource returns with sql query, say records 10 to 20 only?
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Apr 21, 2008
hi,I have a page Price List with GridView to display only two columns of a table (Product name & price). Page size=20. I use SqlDataSource for it. <asp:SqlDataSource ID="SqlDataSource1" runat="server" DataSourceMode="DataSet"In my case the SqlDataSource control return data as a DataSet object. So the DataSet object contains all the data in server memory. I need to create Print Preview page with other columns (Product name & price & Vendor and Date Issue) without paging.I'm going to save dataSet in Session and in Print Preview page use it as datasource (without having to run another query).But I have no idea how to save this DataSet in Session. I don't know the DataSet Name. Any ideas? Thanks.
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Mar 19, 2006
How I can check at code level if the select command in the SqlDatasource didn't return any rows?
Thank you all..
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Aug 1, 2006
I thought I would impliment a new feature of my web page using stored procedures and the SqlDataSource object, for practice or whatever, since I don't normally use that stuff.
This is the stored procedure:set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go
-- =============================================
-- Author:Lance Colton
-- Create date: 7/31/06
-- Description:Find the contest winner
-- =============================================
ALTER PROCEDURE [dbo].[AppcheckContest]
-- Add the parameters for the stored procedure here
@BeginDate datetime = '1/1/2006',
@EndDate datetime = '12/31/2006',
@SectionID int = 10,
@WinnerID int = 0 OUTPUT
AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON;
-- Insert statements for procedure here
SELECT top 1 @WinnerID = P.UserID
FROM cs_Posts P
WHERE P.PostDate BETWEEN @BeginDate AND @EndDate
AND P.SectionID = @SectionID
AND P.UserID <> 2100 -- I don't want to win my own contest...
AND SettingsID = 1000 -- This number could be different if i had more than one CS installed?
AND IsApproved = 1
ORDER BY NEWID() -- yes this is slow, but it works...
RETURN @WinnerID
END
It's really simple - just needs to return the one randomly chosen integer userID. I've tested it in query designer or whatever it's called in Management Studio and it works fine there at least.
Thinking I was done the hard part, I created a new web form in visual studio, dropped a SqlDataSource on it, and used the 'configure data source' wizard from the smart tag to do all the work for me. I didn't have any trouble using the wizard to select my stored procedure, and i'm using the sa connection string to simplify my debugging. I tried using the FormParameter / FormField way of getting the output and setting the input parameters. I can't seem to get it working though. There's no errors or anything, just the output isn't coming through.
Here's the code from the aspx codebehind file:Partial Class Contest
Inherits System.Web.UI.Page
Protected Sub btnSelectWinner_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnSelectWinner.Click
Dim stuff As New System.Web.UI.DataSourceSelectArguments
SqlDataSource1.Select(stuff)
SqlDataSource1.DataBind()
lblWinnerID.Text = SqlDataSource1.SelectParameters("WinnerID").ToString
End Sub
End Class
As you can see, I wasn't sure if you're supposed to call databind() or select() to actually get the stored procedure to execute, so I tried both. I was hoping the last line of code there would set the label to the value contained in the @WinnerID parameter, but instead it sets it to "WinnerID".
Here's the code from the .aspx file. Most of this was generated by the Wizard, but I messed around with it a bit. <%@ Page Language="VB" MasterPageFile="~/MasterPage.master" AutoEventWireup="false" CodeFile="Contest.aspx.vb" Inherits="Contest" title="Untitled Page" %>
<asp:Content ID="Content1" ContentPlaceHolderID="CPHMain" Runat="Server">
<asp:Button ID="btnSelectWinner" runat="server" Text="Find Winner" />
<asp:Calendar ID="Calendar_From" runat="server"></asp:Calendar>
<asp:Calendar ID="Calendar_To" runat="server"></asp:Calendar>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:appcheck-csConnectionString-sa %>"
SelectCommand="AppcheckContest" SelectCommandType="StoredProcedure" CancelSelectOnNullParameter="False">
<SelectParameters>
<asp:FormParameter FormField="Calendar_From" Name="BeginDate" Type="DateTime" />
<asp:FormParameter FormField="Calendar_To" Name="EndDate" Type="DateTime" />
<asp:Parameter DefaultValue="10" Name="SectionID" Type="Int32" />
<asp:formParameter FormField="lblWinnerID" defaultvalue="666" Direction="InputOutput" Name="WinnerID" Type="Int32" />
</SelectParameters>
</asp:SqlDataSource>
<asp:Label ID="lblWinnerID" runat="server" Text="???"></asp:Label>
</asp:Content>
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Sep 21, 2007
Hello all,
I have been working with a DetailsView control for the past week and it is a great control, but also lacks on some departments. Anyhow I need to know what the best approach for this scenerio would be?
I have a SqlDataSource"
<asp:SqlDataSource ID="SqlUpsertAffiliateDetails" runat="server" ConnectionString="<%$ ConnectionStrings:connectionstring %>"
SelectCommand="SELECT am.affiliate_id AS AffiliateId, am.member_id AS MemberId, m.First_Name, m.Last_Name, am.category_id AS CategoryId, ac.category_name, am.profile_web_address AS WebAddress, am.profile_email_1 AS Email, am.comments AS Comments, am.date_modified FROM tAffiliateMaster AS am WITH (NOLOCK) INNER JOIN tAffiliateCategories AS ac WITH (NOLOCK) ON am.category_id = ac.category_id INNER JOIN rapdata..Member AS m WITH (NOLOCK) ON am.member_id = m.Member_Number WHERE (am.affiliate_id = @AffiliateId)"
UpdateCommand="spUpsertAffiliateProfile" UpdateCommandType="StoredProcedure">
<SelectParameters>
<asp:QueryStringParameter Name="AffiliateId" QueryStringField="affiliate_id" />
</SelectParameters>
<UpdateParameters>
<asp:Parameter Name="Action" Type="Byte" DefaultValue="2" />
</UpdateParameters>
</asp:SqlDataSource>
And my SP:/* 09-19-07 Used to update affiliate profile */
CREATE PROCEDURE spUpsertAffiliateProfile
@Action tinyint,
@AffiliateId int,
@MemberId int = -1,
@CategoryId int,
@WebAddress varchar(50),
@Email varchar(50),
@Comments varchar(1500)
AS
SET NOCOUNT ON
-- Find errors first, check is not needed if deleting
IF @Action <> 3
IF NOT EXISTS (SELECT Member_Number FROM rapdata..Member_Association WHERE Member_Number = @MemberId AND Status = 'A' AND Association_ID = 'TRI' AND Bill_Type_Code LIKE '%AF%')
BEGIN
SELECT retval = 'A qualified member ID was NOT found. Action Failed.', errorcount = 1, 0 AS affiliate_id
RETURN
END
IF @Action = 1
IF EXISTS (SELECT member_id FROM tAffiliateMaster WHERE member_id = @MemberId)
BEGIN
SELECT retval = 'This member has already been listed. Action Failed.', errorcount = 1, 0 AS affiliate_id
RETURN
END
IF @Action = 1 AND @AffiliateId = 0-- insert
BEGIN
INSERT INTO tAffiliateMaster
(member_id, category_id, profile_web_address, profile_email_1, comments)
VALUES
(@MemberId, @CategoryId, @WebAddress, @Email, @Comments)
SELECT retval = 'Record Entered', errorcount = 0, @@IDENTITY AS affiliate_id
RETURN
END
ELSE IF @Action = 2 AND @AffiliateId > 0-- update
BEGIN
UPDATE
tAffiliateMaster
SET
category_id= @CategoryId,
profile_web_address=@WebAddress,
profile_email_1=@Email,
comments=@Comments
WHERE
affiliate_id = @AffiliateId AND member_id = @MemberId
SELECT retval = 'Record Updated', errorcount = 0, @AffiliateId AS affiliate_id
RETURN
END
ELSE IF @Action = 3 AND @AffiliateId > 0-- delete
BEGIN
DELETE
tAffiliateMaster
WHERE
affiliate_id = @AffiliateId
SELECT retval = 'Record Deleted', errorcount = 0, 0 AS affiliate_id
RETURN
END
GO
My question is how will I be able to return the retval? Will I need to do it within the code behind of the SqlDataSource Updated Event?
Thanks!
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Apr 27, 2007
With a Gridview Control, I set the SqlDataSource to be a stored procedure in a Sql Sever database.
Using the wizzard to configure the datasource, the test returns lots of rows. After completing the wizzard, the gridview control does not show the column names in the VS2005 designer. For the gridview column headers the values are Databound Col0, Databound Col1, Databound Col2, ....) This tells me I have a problem.
I tried the same thing with a simpler stored procedure. This test stored procedure does not call anything else, takes several input parameters, returns rows. The column names show in the gridview control as expected.
So I am trying to figure out why the first case of gridview with sqldatasource is not working and the second case works . The stored procedure that is not working with my gridview calls multiple inner stored procedures and has #TEMP tables. My complex stored procedure ends with Select * from #Temp.
Could the calling of other inner stored procedures and use of #temp tables contribute to the problem? If yes then what is the strategy for using a gridview and loading it with the data that the complex stored procedure returns?
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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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Feb 12, 2008
I have a package that I have been attempting to return a error code after the stored procedure executes, otherwise the package works great.
I call the stored procedure from a Execute SQL Task (execute Marketing_extract_history_load_test ?, ? OUTPUT)
The sql task rowset is set to NONE. It is a OLEB connection.
I have two parameters mapped:
tablename input varchar 0 (this variable is set earlier in a foreach loop) ADO.
returnvalue output long 1
I set the breakpoint and see the values change, but I have a OnFailure conditon set if it returns a failure. The failure is ignored and the package completes. No quite what I wanted.
The first part of the sp is below and I set the value @i and return.
CREATE procedure [dbo].[Marketing_extract_history_load_TEST]
@table_name varchar(200),
@i int output
as
Why is it not capturing and setting the error and execute my OnFailure code? I have tried setting one of my parameter mappings to returnvalue with no success.
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Mar 8, 2007
i am using visual web developer 2005 with SQL Express 2005 with VB as the code behindi have one database and three tables in itfor manipulating each table i am using separate SqlDataSource() is it sufficient to use one SqlDataSource() for manipulating all the three tables ? i am manipulating all the tables in the same page only please help me
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Jan 2, 2006
This is my function, it returns SQLDataReader to DATALIST control. How
to return page number with the SQLDataReader set ? sql server 2005,
asp.net 2.0
Function get_all_events() As SqlDataReader
Dim myConnection As New
SqlConnection(ConfigurationManager.AppSettings("..........."))
Dim myCommand As New SqlCommand("EVENTS_LIST_BY_REGION_ALL", myConnection)
myCommand.CommandType = CommandType.StoredProcedure
Dim parameterState As New SqlParameter("@State", SqlDbType.VarChar, 2)
parameterState.Value = Request.Params("State")
myCommand.Parameters.Add(parameterState)
Dim parameterPagesize As New SqlParameter("@pagesize", SqlDbType.Int, 4)
parameterPagesize.Value = 20
myCommand.Parameters.Add(parameterPagesize)
Dim parameterPagenum As New SqlParameter("@pageNum", SqlDbType.Int, 4)
parameterPagenum.Value = pn1.SelectedPage
myCommand.Parameters.Add(parameterPagenum)
Dim parameterPageCount As New SqlParameter("@pagecount", SqlDbType.Int, 4)
parameterPageCount.Direction = ParameterDirection.ReturnValue
myCommand.Parameters.Add(parameterPageCount)
myConnection.Open()
'myCommand.ExecuteReader(CommandBehavior.CloseConnection)
'pages = CType(myCommand.Parameters("@pagecount").Value, Integer)
Return myCommand.ExecuteReader(CommandBehavior.CloseConnection)
End Function
Variable Pages is global integer.
This is what i am calling
DataList1.DataSource = get_all_events()
DataList1.DataBind()
How to return records and also the return value of pagecount ? i tried many options, nothing work. Please help !!. I am struck
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Aug 28, 2007
I'm a Reporting Services New-Be.
I'm trying to create a report that's based on a SQL-2005 Stored Procedure.
I added the Report Designer, a Report dataset ( based on a shared datasource).
When I try to build the project in BIDS, I get an error. The error occurs three times, once for each parameter on the stored procedure.
I'll only reproduce one instance of the error for the sake of brevity.
[rsCompilerErrorInExpression] The Value expression for the query parameter 'UserID' contains an error : [BC30654] 'Return' statement in a Function, Get, or Operator must return a value.
I've searched on this error and it looks like it's a Visual Basic error :
http://msdn2.microsoft.com/en-us/library/8x403818(VS.80).aspx
My guess is that BIDS is creating some VB code behind the scenes for the report.
I can't find any other information that seems to fit this error.
The other reports in the BIDS project built successfully before I added this report, so it must be something specific to the report.
BTW, the Stored Procedure this report is based on a global temp table. The other reports do not use temp tables.
Can anyone help ?
Thanks,
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Oct 28, 2006
I am trying to bring my stored proc's into the 21st century with try catch and the output clause. In the past I have returned info like the new timestamp, the new identity (if an insert sproc), username with output params and a return value as well. I have checked if error is a concurrency violation(I check if @@rowcount is 0 and if so my return value is a special number.)
I have used the old goto method for trapping errors committing or rolling back the transaction.
Now I want to use the try,catch with transactions. This is easy enough but how do I do what I had done before?
I get an error returning the new timestamp in the Output clause (tstamp is my timestamp field -- so I am using inserted.tstamp).
Plus how do I check for concerrency error. Is it the same as before and if so would the check of @@rowcount be in the catch section?
So how to return timestamp and a return value and how to check for concurrency all in the try/catch.
by the way I read that you could not return an identity in the output clause but I had no problem.
Thanks for help on this
SM haig
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Jul 24, 2006
hi, good day,
i have using BCP to output SP return data into txt file, however, when it return nothing , it give SQLException like "no rows affected" , i have try to find out the solution , which include put "SET NOCOUNT ON" command before select statement, but it doesn't help :(
anyone know how to handle the problem when SP return no data ?
thanks in advance
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Aug 19, 2015
I have a stored procedure that selects the unique Name of an item from one table.
SELECT DISTINCT ChainName from Chains
For each ChainName, there exists 0 or more StoreNames in the Stores. I want to return the result of this select as the second field in each row of the result set.
SELECT DISTINCT StoreName FROM Stores WHERE Stores.ChainName = ChainName
Each row of the result set returned by the stored procedure would contain:
ChainName, Array of StoreNames (or comma separated strings or whatever)
How can I code a stored procedure to do this?
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Aug 20, 2006
I have an asp:sqldatasource which is bound to a gridviewIn addition to this I would like it to a) see if there is a specif row/ item in it (ie item_id = 10 for any of the rows it has received) as I conditionally want to show another item outside of the gridview subject to if it is in the gridview or notb) show the sum of all the values within a certain column of returned rowsMany thanks
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Oct 11, 2006
How do I get the result of this select into a variableDim sqldsFindUserId As SqlDataSource = New SqlDataSource sqldsFindUserId.ConnectionString = ConfigurationManager.ConnectionStrings("bluConnectionString2").ToString sqldsFindUserId.SelectCommandType = SqlDataSourceCommandType.Text Dim myUserIdCmd As String = "select pkUser from tblUsers where strDisplayName='" + myDisplayname + "" sqldsFindUserId.SelectCommand = myUserIdCmd ' The result of this select statement is to be stored in a variable, how do I do it?
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Jan 15, 2007
hi all,
in all my 2.0 learnings and books i keep coming across the page element <asp:sqldatasource>.
I have always (in 1.1) used server side connections and adapters to bind my Sql datasets to any control needed. Now that im learning 2.0 im finding it difficult to understand using control on the page to bind my data. Can someone explain the benefits of using this data source? Ideally i would like to keep my data access layer separate from my presentation layer but i'd really like to understand why this method seems so popular.
thanks in advance,
mcm
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Feb 23, 2007
Hi, I am new to ASP.NET 2.0 and I am trying to use VWB to bind my web site to a SQL Express edition. I used SQLDataSource to specify the .mdf file so I can connect to my tables but when I click on the advanced button to generate the Insert, Update, Delete SQL I find it grayed out and it cannot be clicked. I looked into several tutorials online and I couldn't find the problem, can anyone explain what I am missing or doing wrong? Any suggestion is very appreciated. Thanks
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Mar 30, 2007
SELECT * FROM [CONTACTS] WHERE @ddl_value LIKE '%@txt_value%'
Why doesn't this not working
I am using SQLdatasource control to bind a gridview
If my query is wrong then what might be the correct one to work with like operator in the sqldatasource
Can any ony help me!
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Apr 12, 2007
Hello All,
I have quick question ..
In my aspx page i have gridview and Sql DataSource object as you can see
<asp:sqldatasource id="SqlDataSource1" runat="server" ></asp:sqldatasource>
<asp:gridview id="GridView1" runat="server" allowpaging="True" allowsorting="True" autogeneratecolumns="False" datasourceid="SqlDataSource1">
<columns>
<asp:boundfield datafield="breakdownid" headertext="breakdownid" insertvisible="False"
readonly="True" sortexpression="breakdownid" />
<asp:boundfield datafield="ticketno" headertext="ticketno" sortexpression="ticketno" />
<asp:boundfield datafield="systemtype" headertext="systemtype" sortexpression="systemtype" />
<asp:boundfield datafield="break_date" headertext="break_date" readonly="True" sortexpression="break_date" />
<asp:boundfield datafield="subject" headertext="subject" sortexpression="subject" />
<asp:boundfield datafield="status" headertext="status" sortexpression="status" />
<asp:boundfield datafield="prioritylevel" headertext="prioritylevel" sortexpression="prioritylevel" />
<asp:boundfield datafield="mobiletype" headertext="mobiletype" sortexpression="mobiletype" />
</columns>
</asp:gridview>
In codebehind file i call a function to get data from database. what i want is to bind the result to the sqlDataSourse not the gridview.
I need to have the SqlDataSourse thier.. Any help please
Sub Page_load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
If Not Page.IsPostBack Then
Dim objReader As New Dynamic.Reportsdemo
SqlDataSource1 = .objReader.Get_Tickets(1, 0, "all")
SqlDataSource1.DataBind()
objReader.objconnection.Close()
End If
End Sub
Thanks.
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May 28, 2007
Hi!Please tell me, how to get a simple value using SQLDataSource, I mean a number, or char, or string - any value, NOT DataTable
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Jul 23, 2007
I am trying to get record from a table and verify it with a textbox i have a sqldatasource.
i have a text box called txtEmail and this is my Select command. how can i get this working if its possible ?
something like txtEmail.text = SqlDataSource1.Secect then ... my code. (i dont know if this a correct way to do this)
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:imacstestConnectionString %>"
SelectCommand="SELECT FROM [t_CustomerAcct]"
thanks,
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Aug 13, 2007
hi all,i am using sqldatasource for gridviewso that i can edit and update any row at the same place ..... and not to write any code for that....now later on if i wanna change the selectcommand of that sqldatasource how can i ? so that the edit and update will be same as it was....
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Aug 21, 2007
Hi,
I'm trying to go through a checkbox list and inserting them into a database using a sqldatasource with the following code:For Each li As ListItem In Locations_Checkbox.Items
If li.Selected = True Then
Dim DataSource2 As SqlDataSource = CType(InsertProgrammeLocations, SqlDataSource) DataSource2.InsertParameters.Add("ProgrammeID", li.Value)
DataSource2.Insert()
End If
Next
When more than one checkbox is ticked, I'm getting the error 'The variable name '@ProgrammeID' has already been declared'. How do I close or reset my Datasource before I try and use it again?
Thanks for your help
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Oct 28, 2007
please explain selectparameter collection and conflict detection property and filterparameter
mohsen
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Oct 29, 2007
Hi, I want to know when to use an sqlDataSource object because I used to populate for example a listBox control in visual studio net 2003 from AQLK server database by using a connection object, command object, dataAdapter object and a DataSet object. I discovered if I use sqlDataSource object (using visual studio net 2005) ,all I need is to write the connection string and a Select statement as properties for that sqlDataSource, so why to use the above mentioned objects(connection,command,adapter,dataset) while I can access any database in sql server through the use of sqlDataSource?
I appreciate if you can explain to me the difference and when to use an sqlDataSource
thx
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Dec 4, 2007
How can I update more than one table with one UpdateString in SqlDataSource?
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