Binding A Gridview To Sqldatasource On Button Click
Mar 3, 2008
i am using 2 textbox to search name and instituition of some students. on button click need to display the result on gridview. but i dont get any result.. pl advice
SqlDataSource1.SelectCommand = "SELECT Sname, Address, Instituition, Role, Testgroup, Email FROM std_det WHERE (Sname LIKE '%'+@Param1+'%') AND (Instituition = 'RASET') AND (Role LIKE '%'+@Param2+'%') AND (Instituition = 'RASET')";
name.ControlID = "TextBox3";
name.DefaultValue = "%";
name.Name = "Param1";
name.PropertyName = "Text";
inst.ControlID = "TextBox4";
inst.DefaultValue = "%";
inst.Name = "Param2";
inst.PropertyName = "Text";
//SqlDataSource1.Select(DataSourceSelectArguments.Empty);
SqlDataSource1.SelectParameters.Add(name);
SqlDataSource1.SelectParameters.Add(inst);
SqlDataSource1.DataBind();
//DataView dv = (DataView)this.SqlDataSource1.Select(DataSourceSelectArguments.Empty);
GridView2.DataSourceID = "SqlDataSource1";
GridView2.DataBind();
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Mar 8, 2006
Hello
I'm experiencing some problems, binding a SqlDataSource to a GridView.
The following code creates the SqlDataSource: string strConn = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString; string strProvider = ConfigurationManager.ConnectionStrings["ConnectionString"].ProviderName; SqlDataSource ds = new SqlDataSource(strProvider, strConn); ds.SelectCommand = "SELECT * FROM rammekategori";
Then i bind the SqlDataSource to a GridView:
GridView1.DataSource = ds; GridView1.DataBind();
ErrorMessage:
Format of the initialization string does not conform to specification starting at index 0.
Exception Details: System.ArgumentException: Format of the initialization string does not conform to specification starting at index 0.Line 24: GridView1.DataBind();Am i totally off target here? Can it be something about, that you have to set the datasource of the gridview, before the Page_Load event?
Thanks - MartinHN
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Jan 12, 2008
hi .. i have a SqlDataSource, GridView & a Button .. i want to increase the condition in the "SelectCommand" below by one everytime i click the button .. i mean to be like that ID < 8 instead of ID < 7
so, the GridView will show 7 ID's instead of 6 .. and it will increase everytime i hit the button<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:connectionstring %>"
SelectCommand="SELECT * FROM [table1] WHERE ID < 7">
</asp:SqlDataSource>
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Aug 1, 2007
<!-- Trying
to create a GridView Survey form:
Hi [User]
Do you have these assets?
[Gridview]
Tag Number Response
123
[Yes ] [No] [Comments textbox]
234
[Yes ] [No] [Comments textbox]
Goal: The desire
is for the user to click Yes or No and have the database updated with the
user's name, date, response and any comments.
So far, I have
created SqlDataSource with Select and Update commands, created the gridview and
response buttons, setup the RowCommand and On_Updating Functions.
Problems:1) If I call the update() function for SqlDataSource1 and misuse the Defaultvalue parameters to run the sql, no update is posted to the database.
2) If I use the On_Update function to set the parameter values, I get "Data type mismatch in criteria expression." (Additionally, the On_Update function runs twice which I don't understand)Can anyone tell
me what/why? (and how to fix it?)Sorry for the deluge, but here is the code:
-->
<%@ Page
Language="VB"
%>
<html>
<head id="Head1" runat="server">
<title>Asset Survey</title>
</head>
<SCRIPT runat="server">
Protected Sub SqlDataSource1_Selecting(ByVal
sender As Object,
ByVal e As
System.Web.UI.WebControls.SqlDataSourceSelectingEventArgs) Handles SqlDataSource1.Selecting
e.Command.Parameters("Name1").Value = User.Identity.Name
End Sub
Protected Sub SqlDataSource1_Updating(ByVal
sender As Object,
ByVal e As
System.Web.UI.WebControls.SqlDataSourceCommandEventArgs) Handles SqlDataSource1.Updating 'For some
reason, this function executes twice '2nd execution gets error: "Data type
mismatch in criteria expression." 'e.Command.Parameters("PrimaryKey1").Value
= intPrimaryKey 'e.Command.Parameters("Responder1").Value
= strUser 'e.Command.Parameters("ResponseDate1").Value
= dtModDate 'e.Command.Parameters("Response1").Value
= strResponse 'e.Command.Parameters("ResponseComments1").Value
= strComments End Sub
Protected Sub
GridView1_RowCommand(ByVal sender As Object, ByVal e As
GridViewCommandEventArgs) _
Handles
GridView1.RowCommand
Dim
GridRow1 As Integer
= Convert.ToInt32(e.CommandArgument)
If
e.CommandName = "UpdateYes" Then
'code here to disable buttons and textbox
'...
SqlDataSource1.UpdateParameters("Response1").DefaultValue
= "Yes"
End If
If
e.CommandName = "UpdateNo" Then
'code here to disable buttons and textbox
'...
SqlDataSource1.UpdateParameters("Response1").DefaultValue
= "No"
End If
'if I use the SqlDataSource1_Updating
function, I get the mismatch error
'but if I (mis)use the DefaultValue
parameter, no update occurs.
SqlDataSource1.UpdateParameters("ResponseComments1").DefaultValue = _
GridView1.Rows(GridRow1).FindControl("txtComments").ToString
SqlDataSource1.UpdateParameters("Responder1").DefaultValue =
User.Identity.Name
SqlDataSource1.UpdateParameters("ResponseDate1").DefaultValue =
DateTime.Now
SqlDataSource1.UpdateParameters("PrimaryKey1").DefaultValue = _
GridView1.Rows(GridRow1).Cells(0).Text
Try
SqlDataSource1.Update() 'Error Here if I use on_updating: "Data
type mismatch in criteria expression."
Catch except As Exception
' Handle the Exception.
End Try
End Sub
</SCRIPT>
<body>
<form id="formInv"
runat="server">
<div>
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$
ConnectionStrings:LocalTestMDB %>"
ProviderName="<%$
ConnectionStrings:LocalTestMDB.ProviderName %>"
SelectCommand="SELECT
[PrimaryKey], [Name], [AssetTag], [Response], [Responder],
[ResponseDate],[ResponseComments] FROM [Tablename] WHERE ([Name] = ?) ORDER BY
[Login Name], [AssetTag]"
UpdateCommand="Update
[Tablename] SET [Response]=@Response1, [Responder]=@Responder1,
[ResponseDate]=ResponseDate1, [ResponseComments]=ResponseComments1 WHERE
[PrimaryKey]=@PrimaryKey1"
OnSelecting="SqlDataSource1_Selecting"
OnUpdating="SqlDataSource1_Updating">
<SelectParameters>
<asp:Parameter DefaultValue="" Name="Name1" Type=String />
</SelectParameters>
<UpdateParameters>
<asp:Parameter Name="ResponseComments1"
Type=String DefaultValue=""
/>
<asp:Parameter Name="Response1"
Type=String DefaultValue=""
/>
<asp:Parameter Name="ResponseDate1"
Type=DateTime DefaultValue="#8/1/2007
12:00:00PM#" />
<asp:Parameter Name="Responder1"
Type=String DefaultValue=""
/>
<asp:Parameter Name="PrimaryKey1"
Type=Int32 DefaultValue=0 />
</UpdateParameters>
</asp:SqlDataSource>
<span>Hi, Please
respond by clicking "Yes" or "No" for each asset</span>
<asp:GridView ID="GridView1" runat="server"
AutoGenerateColumns="False"
DataKeyNames="PrimaryKey"
DataSourceID="SqlDataSource1">
<Columns>
<asp:BoundField DataField="PrimaryKey"
HeaderText="PrimaryKey"
AccessibleHeaderText="PrimaryKey" Visible=False/>
<asp:BoundField DataField="Name"
HeaderText="Name"
SortExpression="Name"
AccessibleHeaderText="Name" />
<asp:BoundField DataField="AssetTag"
HeaderText="AssetTag"
SortExpression="AssetTag"
AccessibleHeaderText="AssetTag"
/>
<asp:TemplateField
HeaderText="Please
Respond">
<ItemTemplate>
<asp:Button ID="btnYes" runat="server"
Text="Yes"
Visible="true"
CommandName='UpdateYes'
CommandArgument='<%#
CType(Container, GridViewRow).RowIndex %>' />
<asp:Button ID="btnNo" runat="server"
Text="No"
Visible="true"
CommandName='UpdateNo'
CommandArgument='<%#
CType(Container, GridViewRow).RowIndex %>' />
<br />
<asp:Label ID="lblComments"
runat="server"
Text="Comments:"
Visible=True></asp:Label>
<asp:TextBox ID="txtComments"
runat="server"
Text='<%#
Bind("ResponseComments") %>'
Visible=True MaxLength=512 Height=24 Width=320 Wrap=True Enabled=True
TextMode=MultiLine></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
</form>
</body>
</html>
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Mar 7, 2008
Hey Guys,
I'm not sure if anyone can help me with this but I am trying to achieve the following:
I have a row (In this case it is information on a fix) and on a button click I am trying to get it to "archive" it. At the moment I have it so that it it takes the current information and adds it to the archive table adding an archive date. The thing that I am struggling with is incrementing the version number. So, I need it to (in these steps I think) - Look for existance of the other entires of that ID, look for the version number that is related to the newest date of those knowledgeIDs and then add 1 to it. If that knowledgeID doesnt exist then add it as one.
My current code is below:
Thanks in Advance =)
C# Codeprotected void Page_Load(object sender, EventArgs e)
{UserName = (string)Session["UserName"];
Label4.Text = UserName + " Is Current Logged In";UserType = (string)Session["UserType"];if ((Session["UserName"] != null) & (UserType == "Helpdesk"))
{Response.Redirect("Accessrights.aspx");
}else if (Session["UserName"] == null)
{Response.Redirect("Login.aspx");
}
FixName = "default";Description = "default";File = "default";
ADate = myCalendar.TodaysDate.ToShortDateString();
AddDate = Convert.ToDateTime(ADate);myConnectionString = "Data Source=.\SQLEXPRESS;AttachDbFilename=C:\inetpub\wwwroot\HOF\App_Data\HOF.mdf;Integrated Security=True;Connect Timeout=30;User Instance=True;";
}protected void Button1_Click(object sender, EventArgs e)
{SqlConnection myConnection = new SqlConnection(myConnectionString);
try
{
FixName = TextBox1.Text;
SqlCommand myCommand = new SqlCommand("select * from Knowledge WHERE FixName like '%" + FixName + "%'", myConnection);
myConnection.Open();SqlDataReader myReader = myCommand.ExecuteReader();if (myReader.HasRows)
{while (myReader.Read())
{
TextBox1.Text = myReader["FixName"].ToString();TextBox2.Text = myReader["Description"].ToString();
File = myReader["Location"].ToString();if (File != null)
{
TextBox3.Text = File;
}
else
{TextBox3.Text = "There is no script avaliable";
}KnowledgeID = myReader["KnowledgeID"].ToString();Add = myReader["DateAdded"].ToString();
}
myConnection.Close();
}
else
{TextBox1.Text = FixName + "Does not Exist. Please try again.";
}
}catch (Exception ex)
{
myConnection.Close();
}
try
Description = TextBox2.Text;File = Convert.ToString(FileUpload1.FileName);if (CheckBox1.Checked == true)
{SAPPS = "True";
}
else
{SAPPS = "False";
}
{SqlCommand mycommand2 = new SqlCommand("INSERT INTO Knowledge (FixName, Description, Location, DateAdded, DateArchived, Version, KnowledgeID) SET ('" + FixName + "','" + Description + "','" + File + "','" + Add + "','"+AddDate+"','" + SAPPS + "','"+I NEED A VALUE HERE+"','"+KnowledgeID+"')", myConnection);SqlDataAdapter myDataAdapter = new SqlDataAdapter(mycommand2);
sa = mycommand.ExecuteNonQuery();
myConnection.Close();
}catch (Exception ex)
{
myConnection.Close();
}
}
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Oct 15, 2007
Hi everyone, Im using SSRS 2000 and I was wondering is there a way to create a click button??? I have 2 reports linked with hyperlinks but I wanted to make it look more presentable. So, instead of just clicking on the words, I want them to click the button.
Thanks in advance,
Abner
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Dec 25, 2007
I feel like it must be easy and I'm missing something. Maybe I'm going the wrong way about it too. Basically I've written an append query that needs parameters, but I have no idea how to actually execute it. I'm coming from building apps in MS Access where all of this is really easy. I'm really enjoying learning some things, and did my first MS SQL trigger event tonight, which worked great. I though using a trigger may be an option here, but I need to control the "when" of this append a little more carefully and can't rely on an automated event. I can manually execute the query and it works, but have a button I could press on a form, with the queries on that form would be ideal. I'm basically moving partial data from one table to another. Any help? Again, this seems like it "should" be easy, but I'm not finding info on it. Please talk slowly, as again, I'm coming from Access.
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Jun 29, 2007
i have to search through differene controls (textboxes,dropdownlist,checkboxes,radiobutton) in an Asp.Net page usingC#.
can anybody tell me how to write the code of searching in button_click.
using dynamic query or stored procedure.
all replies are welcome.
Thanx in advance.
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Jan 9, 2007
Hello friends
Can anyone tell me the means by which I can populate a label or a datagrid by executing a selectcommand statement on the form of my webpage. And what is the best way to retrieve data from a SQL datasource, is it by using separate sqldatasources for each different parts of a page that requires different data from different tables in the same database or by using a tableadapter to retrieve the data for the best performance?
Thanks for replying for my previous questions. It was helpful and great in my program implementation.
Thank you
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Mar 20, 2008
Hey guys, Am in need of help please, basically the program im working with at the moment is when you add a New Contract, it will grab the Contract Number you have entered, Post it over to another page, then using that number bind a Gridview. The SQL being "SELECT Contract_ID, Contract_Number, Start_Date, End_Date, Quarterly_Rent FROM ECS_Contracts_Test WHERE Contract_Number = " & conNoVar (this being the Contract Number of the recently added Contract), however then it comes to Bind the Grid it kicks up an System.Data.SqlClient.SqlException: Syntax error converting the nvarchar value
'2009P7899' to a column of data type int.But the Column Contract_Number is set to Varchar and all I really want to do is to create this gridview using this criteria and not convert anything! The Contract_ID is an int, which is needed as I increment it. Heres the error code: Public Sub BindtheGrid()'Bind the Contract Grid, where ContractID is used
Dim SQL As String = "Contract_ID, Contract_Number, Start_Date, End_Date, Quarterly_Rent"
Dim objConn As SqlConnection = New SqlConnection(ConnectionString)
Dim cmdstock As SqlCommand = New SqlCommand("SELECT " & SQL & " FROM ECS_Contracts_Test WHERE Contract_Number = " & contractQueryID, objConn)
cmdstock.CommandType = CommandType.Text
objConn.Open()
GridView1.DataSource = cmdstock.ExecuteReader()
GridView1.DataBind()
objConn.Close()
End Sub If you need any more information then please let me know. Mucho Aprreciated
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Mar 14, 2008
I am new to ASP.NET so please excuse what may seem like a dumb question.
I have a stored procedure that I need to run when the user clicks on our submit button. I am using Visual Studio 2005 and thought I could use the SqlDataSOurce Control. IS it possible to us the control or do I need to create a connection and call the stored procedure in the the button_click sub?
Thanks in advance
MF
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Mar 6, 2006
Hi everyone.I am trying to write 2 INSERT INTO statements into a Button click event. Both statements go to the same database but differnet tables. The first statement works fine but the 2nd causes an error with the Try, Catch, Finally statement. When I remove the ExecuteNonQuery from the 2nd statement, the 2nd INSERT INTO statement fails to work. Any help would be brilliant. Thanks!
Private Sub btnInsertChange_Click(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.CommandEventArgs) Handles btnInsertChange.Command
'Insert Guide changes into ChangesReport table in sql server Me.SqlCommandThemeTest.Connection = Me.SqlConnection1
Dim Name As String Dim values As String Dim sSQL As String Name = "Theme, Guide, GuidePage, PageType, ChangeCategory, ChangeFrom, ChangeFromText, ChangeTo, ChangeToText ContentManager" values = "lstTheme, lstGuideName, lstGuidePage, lstPageType, lstChangeCategory, lstChangeFrom, txtChangeFrom, lstChangeTo, txtChangeTo, Label1" SqlCommandThemeTest.CommandText = "INSERT INTO dbo.ChangesReport (Theme, Guide, GuidePage, PageType, ChangeCategory, ChangeFrom, ChangeFromText, ChangeTo, ChangeToText, ContentManager) VALUES (@themeValue, @guideValue, @guidepageValue, @pagetypeValue, @changecategoryValue, @changefromValue, @changefromtextValue, @changetoValue, @changetotextValue, @contentmanagerValue)"
SqlCommandThemeTest.Parameters.Add("@themeValue", lstTheme.SelectedItem.Text) SqlCommandThemeTest.Parameters.Add("@guideValue", lstGuideName.SelectedItem.Text) SqlCommandThemeTest.Parameters.Add("@guidepageValue", lstGuidePage.SelectedItem.Text) SqlCommandThemeTest.Parameters.Add("@pagetypeValue", lstPageType.SelectedItem.Text) SqlCommandThemeTest.Parameters.Add("@changecategoryValue", lstChangeCategory.SelectedItem.Text) SqlCommandThemeTest.Parameters.Add("@changefromValue", lstChangeFrom.SelectedItem.Text) SqlCommandThemeTest.Parameters.Add("@changefromtextValue", txtChangeFrom.Text) SqlCommandThemeTest.Parameters.Add("@changetoValue", lstChangeTo.SelectedItem.Text) SqlCommandThemeTest.Parameters.Add("@changetotextValue", txtChangeTo.Text) SqlCommandThemeTest.Parameters.Add("@contentmanagerValue", Label1.Text)
Try Me.SqlConnection1.Open() Me.SqlCommandThemeTest.ExecuteNonQuery() Catch ex As Exception Response.Write(ex.ToString) Finally Me.SqlConnection1.Close() End Try
'Insert textbox to ChangeLogFrom ddl Me.CmdDDLFromUpdate.Connection = Me.SqlConnection1
Name = "ChangeFromText" values = "txtChangeFrom" sSQL = "INSERT INTO dbo.Change Log From (ChangeLogFrom) VALUES (@changelogfromValue)" Me.CmdDDLFromUpdate.Parameters.Add("@changelogfromValue", txtChangeFrom.Text)
Try Me.SqlConnection1.Open() Me.CmdDDLFromUpdate.ExecuteNonQuery() Catch ex As Exception Response.Write(ex.ToString) Finally Me.SqlConnection1.Close() End Try
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Jan 28, 2008
i am using Asp.net , C# , sql server 2005.
i made one rdl report and called it from server (win2003). it worked successfully . but when i give print for the same report(through reportviewer control print option). Client machine restart. Same thing happened on four machine that were in win2000.
Please guide me.
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Aug 3, 2006
I need to create graphs in access in a lick of a button all the data will be in the sql transfered from the access.
If anybody did this before ar having Idea please let me know
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Jul 30, 2007
Hi all,
The Scenario:
Database1:Table1(callingPartyNumber,originalCalledPartyNumber, finalCalledPartyNumber, DateTimeConnect, DateTimeDisconnect, Duration)
Database2:Table2(Name,Number)
Output in Gridview:
callingPartyNumber
Name
originalCalledPartyNumber
finalcalledPartyNumber
dateTimeConnected
dateTimeDisconnected
Duration (HH:MM:SS)
I bind gridview programatically using DataTable and stored procedures. The data comes from a table (Table1) in a database (Database1) on SQL Server. The gridview displays fields callingPartyNumber, originalCalledPartyNumber, finalCalledPartyNumber, DateTimeConnect, DateTimeDisconnect and Duration in this order. All the columns in this gridview are databound columns.
I have another table (Table2) in a seperate SQL Server database (Database2) but on the same server which maps the callingPartNumber value with the name attached with that number. Note that the field names in Table2 are different from the field names in Table1. Is it possible to display the Name field also in the gridview after the first field callingPartyNumber and then the other fields.
Its like data coming from two tables into the gridview.
Thanks
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Jun 30, 2007
hi,i have a DB that contains some tables.so i have a radio button group of tow radio button to display a field.now how can i bind this radio button group to this field for updating and insert a new record?for more explain i brought a little of code below: in .aspx page i have: <asp:RadioButton ID="admin" runat="server" Checked="True" GroupName="membertype"
Text="admin" OnCheckedChanged="admin_CheckedChanged" /><br />
<asp:RadioButton ID="member" runat="server" GroupName="membertype" Text="member" /> -------------------------------------------------------------------------- <asp:ControlParameter ControlID="membertype" Name="isadmin" Type="string" PropertyName="text" />-------------------------------------------------------------------------- UpdateCommand="UPDATE UserManagement SET UserName = @UserName, Password = @Password, FullName = @FullName, Description = @Description, UserID = @UserID ,isadmin=@isadmin,usercitycode=@location WHERE (UserID = @Original_UserID)" note that the type of the "isadmin" field is "nvarchar(50)"thanks,M.H.H
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Apr 1, 2007
How can i confirm that the data entered within the standard controls and after the click event for the particular sql query the data is been stored in the database tables (depending insert,update,delete).I want to display the different messages on the click event and that after the changes made into the tables.How can i do it ?? I m using ASP.Net with C#,VB and the sql server to store data.I also want to know where are the database tables exactly get stored which are made in the Microsoft SQL Server Management Studio Express.I want to use as the existing item in .Net but could not find.. Thanxs...
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Feb 21, 2008
I have a form that contains data that some of which needs to be inserted into one table and the rest updated to another table. I want this to happen on a single button click. Is this possible?Here's what I have so far: String id = parm_tb_tktid.Text; String update = parm_tb_desc.Text; String status = parm_cb_status.Text; SqlCommand cmd = new SqlCommand("Insert into History (tkt_id, hist_desc) values(@parm_tb_tktid, @parm_tb_desc)", HelpdeskConnectionString); cmd.CommandType = CommandType.Text; cmd.Parameters.AddWithValue("@parm_tb_tktid", id); cmd.Parameters.AddWithValue("@parm_tb_desc", update); SqlCommand cmd1 = new SqlCommand("Update Ticket (tkt_status) values(@parm_cb_status) where tkt_id = @parm_tb_tktid)", HelpdeskConnectionString); cmd1.CommandType = CommandType.Text; cmd1.Parameters.AddWithValue("@parm_cb_status", status); HelpdeskConnectionString.Open(); cmd.ExecuteNonQuery(); cmd1.ExecuteNonQuery(); HelpdeskConnectionString.Close(); parm_tb_tktid.Text = String.Empty; parm_tb_desc.Text = String.Empty; parm_cb_status.Text = String.Empty;I know it isn't right, but I can't find any info on why it's wrong and how to code it properly.
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Mar 21, 2008
Hello, I need to know how I can make a button on my page send the Time of Click, to a table in a database, and repeat this everytime the button is clicked. Thanks for any guidance on this matter
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Jun 12, 2007
Hi all!
I'm a newbie when it comes to SSIS and web development (I'm currently in school for Mechanical Engineering). I'm trying to develop a website in which I can upload an excel file and have the contents written to a SQL database. I have been successful in creating a package in which I point to an excel file and it writes the contents to the desired database. With this, I was hoping that I can modify my website to take the file which is being uploaded, change the name, and then have the SSIS package run, in which it will look for the named file in a certain directory and upload the contents to the SQL server.
Ideally this would be the order of events:
User selects and uploads a file to the server (button click)
Server renames it and places it in a certain directory
SSIS package runs and extracts the data to SQL database
Thanks all!
Shrey
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Aug 9, 2007
Hi!
I have written some code to insert a record into the table in BtnAdd click event and I also have a Grid view control to show the table records.
If I click the Add button ,the record gets inserted into the table and shown in the grid correspondingly.But if I refresh teh page,the same data gets inserted again since it fires the Btnclick Event.
Please help me out in this issue.
Thanks
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Mar 20, 2008
Why is this SQL UPDATE query not updating when this code is used under button.click.
Dim ListingID As String = Request.QueryString("id").ToString
Dim sqlupdate As String = "UPDATE Listings SET PlaceName = '" & PlaceName.Text & "', Location = '" & Location.SelectedValue & "', PropertyType = '" & PropertyType.SelectedValue & "', Description = '" & Description.Text & "', Price = '" & Price.Text & "' WHERE ListingID ='" & ListingID & "'"
Dim con As New SqlConnection(ListingConnection)
Dim cmd As New SqlCommand(sqlupdate, con)
con.Open()
cmd.ExecuteNonQuery()
con.Close()
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Oct 21, 2015
Trying to add a second replica to my SQL 2012 AG. for some reason i cant click the next button.
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Jun 19, 2007
Hello All, I am new to data access and
i have got the problem to display the data into the page by binding the gridview with sqlConnection, sqlCommand and sqlDataReader objects. The actually code is written as:protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{SqlConnection myConnection;
SqlCommand myCommand;SqlDataReader myReader;
myConnection = new SqlConnection();myConnection.ConnectionString = ConfigurationManager.ConnectionStrings["LatteConnectionString"].ConnectionString;
myCommand = new SqlCommand();myCommand.CommandText = "select * from AntiVirusVendors";myCommand.CommandType = CommandType.Text;
myCommand.Connection = myConnection;
myCommand.Connection.Open();myReader = myCommand.ExecuteReader(CommandBehavior.CloseConnection);
GridView1.DataSource = myReader;
GridView1.DataBind();
myCommand.Dispose();
myConnection.Dispose();
}
}
and the GridView in html is listed as:
<div>
<asp:GridView ID="GridView1" runat="server">
</asp:GridView>
</div>
So the problem is ---> there is nothing shown in the page, no errors no anything.... just the empty page.
Any ideas would be appreciated. Thanks in advance!
Joe
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Jan 21, 2008
Hi All
I am trying to bind a gridview to my sql express database through code but my data is not being displayed, i dont get any errors though?
If i bind it using an sql datasource it works fine so i know my connection string works and there is data in my database
my code is as follows
thanks
gibbo
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
ReadRecords(GridView1, "Select * from Actions")
End Sub
Public Shared Function GetConnString() As String
Return System.Configuration.ConfigurationManager.ConnectionStrings("actionsConnectionString2").ConnectionString
End Function
Private Sub ReadRecords(ByVal datagrid As GridView, ByVal SQL As String)
Dim ConnString As String = GetConnString()
Dim SqlString As String = SQL
Using conn As New SqlClient.SqlConnection(ConnString)
Using cmd As New SqlClient.SqlCommand(SqlString, conn)
cmd.CommandType = CommandType.Text
conn.Open()
Using reader As SqlClient.SqlDataReader = cmd.ExecuteReader()
datagrid.DataSource = reader
datagrid.DataBind()
End Using
End Using
End Using
End Sub
Connection String
<add name="actionsConnectionString2" connectionString="Data Source=.SQLEXPRESS;AttachDbFilename="|DataDirectory|actions.mdf";Integrated Security=True;Connect Timeout=30;User Instance=True"
providerName="System.Data.SqlClient" />
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Feb 1, 2008
the line in bold..can sumone tell me how to correct the error , it say syntax error beside "="
Imports System.Data
Imports System.Data.SqlClient
Partial Class Default3
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
End Sub
Protected Sub btnlogin_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnlogin.Click
Dim conn As New SqlConnection _
("data source =YOUR-KEGKZI6IFCSQLEXPRESS; integrated security=true;"
& _
"initial catalog=LOGINPAGE")
conn.Open()
Dim cmdLogin As New
SqlCommand("select * from UserName where ='" & txtusername.Text
& "' and Password='" & txtpassword.Text & "'", conn)
Dim dr As SqlDataReader
dr =cmdLogin.ExecuteReader()
If dr.Read() Then
Response.Redirect("Galery.aspx")
Else
Response.Redirect("homepage.aspx")
End If
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Jun 15, 2007
Hi,
I am new to .NET world. I am using visual studio express.
I am developing website using ASP.NET and C#.
I want to add buttons dynamically on a table row on my web page.
For this I have written this code in "example.aspx" file
<asp:Table ID="tblExample" GridLines="Both" BorderWidth="1" runat="server" >
</asp:Table>
In my corresponding "example.aspx.cs" file i have written
TableRow tr = new TableRow();
.....................
.....................
TableCell tc3 = new TableCell();
tc3.Width = 120;
Button bt = new Button();
bt.Text = btnStop.Text;
bt.Width = 120;
bt.CommandArgument = lrs.IpAddress + ":" + lrs.PortNo;
bt.Click += new EventHandler(cmdStop_Click);
tc3.Controls.Add(bt);
tr.Cells.Add(tc3);
tblExample.Rows.Add(tr);
In my EventHandler "cmdStop_Click" I am trying to perform some action but on that particular row's data.
My page is also reloading after every 5 secs.
After clicking a button in a row, when page refreshes, I am getting this message in popup error message. also that entry is ommited(as per code in EventHandler)
______________________________________________________
"The Page cannot be refreshed without resending the information.
Click retry to resend the information again.
or click Cancel to return to the page that you were trying to view"
resetButton cancelButton
_______________________________________________________
How to bind that button to particular row so that when I click on a button the action should be performed on that particular row's data.
Thanks
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Apr 17, 2007
We are using Reporting Services 2000.
The print button that is present in the browser is working just fine for some users.
But some users are complaining that on clicking the print button their system restarts.
Some other users are also getting the error "An error occurred during printing. (0x80004005)"
However on closing the browser and opening the report in it again this issue is resolved.
So, the main concern is "Restart of the machine on click of the PRINT icon in reports viewed in some application browser."
Please help!!
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Sep 1, 2006
Hello to everyone, I have this problem If I use this code when I try to update a record in my sql database It does not do anything. This is the code. Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim myconn As New SqlConnection("Data Source=.;Initial Catalog=SistemaIntegral; user id=sa") Dim mycmd As New SqlCommand("presup", myconn) mycmd.CommandType = CommandType.StoredProceduremycmd.parameters.Add(New SqlParameters("@txtClave", SqlDbtype.int,4)).Value=txtClave.textmycmd.parameters.Add(New SqlParameters("@txtForig", SqlDbtype.varchar,50)).Value=txtFOrig.textmycmd.parameters.Add(New SqlParameters("@txtFmod", SqlDbtype.varchar,50)).Value=txtFmod.textmycmd.parameters.Add(New SqlParameters("@txtFeje", SqlDbtype.varchar,50)).Value=txtFeje.textmycmd.parameters.Add(New SqlParameters("@txtPorig", SqlDbtype.varchar,50)).Value=txtPorig.textmycmd.parameters.Add(New SqlParameters("@txPmod", SqlDbtype.varchar,50)).Value=txtPmod.textmycmd.parameters.Add(New SqlParameters("@txtPeje", SqlDbtype.varchar,50)).Value=txtPeje.text mycmd.parameters.Add(New SqlParameters("@txtClave", SqlDbtype.int,4)).Value=txtClave.text myconn.Open() mycmd.ExecuteNonQuery() myconn.Close() mycmd.Dispose() myconn.Dispose() End Sub This is the code for the procedure called "presup" in SQL 2000 Server.CREATE PROCEDURE [presup](@txtClave [int],@txtForig [varchar](50),@txtFmod [varchar](50),@txtFeje [varchar](50),@txtPorig [varchar](50),@txtPmod [varchar](50),@txtPeje [varchar](50),@txtIdPresupuesto [int])as Update [Presupuesto]Set [IdClave]=@txtClave,[orig]=@txtForig,[moda]=@txtFmod,[ejer]=@txtFEje,[origr]=@txtPorig,[modar]=@txtPmod,[ejerr]=@txtPejeWhere ([IdPresupuesto]=@txtIdPresupuesto)GO When I click the Update button of my webform it does not do anything. Please Help me I am new to Visual Studio.Net 2003. (2 weeks ago I started using Visual Studio)
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Feb 2, 2008
hello it seems lack of c# skills is getting the better of me here...iv been trying to get this to work for hours now without success. I have just started working in c# so i am a beginner :)
all i want to do it query the database, check to see if a title exists, if yes then populate textbox saying 'title in use' but if the title doesnt exists then continue executing rest of code to add the title.
You'll notice iv tried to use string variables and sqlDataAdapter but i cant get these to work either...please help
so far i have this that keeps giving me the error that my button click is undefined: protected void bookButton_Click(object sender, EventArgs e){
//string title;try{SqlConnection conn1 = new SqlConnection();
conn1.ConnectionString =
"Data Source=Gemma-PC\SQLEXPRESS;" +"Initial Catalog=SoSym;" +
"Integrated Security=SSPI;";SqlCommand findTitle = new SqlCommand("SELECT title FROM Publication WHERE title='" + titleTextBox.Text + "';", conn1);
conn1.Open();
findTitle.ExecuteNonQuery();
/*
DataSet myDataSetTitle = new DataSet("PublicationTitle");
myDataSetTitle.Clear();
myDataAdapterTitle.Fill(myDataSetTitle);//myDataSet contains results from above SELECT statement
title = myDataSetTitle.Tables[0].Rows[0]["title"].ToString();*/
}catch(Exception ex)
{TitleInvalidMessage.Text = "Title Not Accepted: This title is already in use by another publication" +ex.Message;
}
//title does not exist in table so continue and add to database
//rest of code here
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Oct 29, 2015
While migrating Report services in SQL Server 2005 to 2014, I am trying to restore the Encryption Key in RS Configuration Manager in2014. But I cannot click the 'Restore' button in RS Configuration Manager. So if I should be grant more right to do so or any other action?
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Feb 13, 2007
This is an easy question. I thought I have databinded a textbox to a SQLDataSource. But now I do not see how to do that now. Can somebody help with this?
Thanks,
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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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