Gridview RowUpdating Can't Find A Control?
Jun 1, 2012I am unable to find the control I want.
This is the GridView:
<asp:GridView ID="gvInfo" runat="server" AutoGenerateColumns="false" AutoGenerateEditButton="true">
<Columns>
[Code]....
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Asp.net - Gridview - Cannot Get Updated Cell Value For RowUpdating
Jun 25, 2011I am using ItemTemplate & EditTemplate for editing the gridview. (ASP.net + VB).I click EDIT button then I can check/uncheck those checkbox and amend the textbox value. When click UPDATE button, it will fire the RowUpdating Event, But I found that when I get the value for update statement, it still get the value before editing, not updated value.How can I get the latest & updated value ?
The following is the VB code:
Protected Sub GridView1_RowUpdating(ByVal sender As Object, ByVal e As GridViewUpdateEventArgs)
'Update the values.
Dim row = Gridview1.Rows(e.RowIndex)
[code]....
Gridview Data Not Refresh After Rowupdating?
Jun 28, 2011After I click the "Update" button, it update the gridview data to database.But the gridview data cannot auto refresh, it still show data before amendment.I need to go back the page again to see updated data. What's the problem ? I had already Bind data after updating...
Protected Sub GridView1_RowUpdating(ByVal sender As Object, ByVal e As GridViewUpdateEventArgs) Handles Gridview1.RowUpdating
If Gridview1.EditIndex = -1 Then
[code].....
Asp.net - Gridview RowUpdating Error - Index Was Out Of Range
Jun 27, 2011When I click the "Update" button in the gridview, it fire the RowUpdating event, but it returns a error "Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index"
The following is the vb code:
Protected Sub GridView1_RowUpdating(ByVal sender As Object, ByVal e As GridViewUpdateEventArgs)
If e.RowIndex >= 0 Then
[Code].....
Asp.net - Can't Find A Control Inside Gridview
Apr 5, 2012I have a simple gridview that contains a label in one of the rows. I'm trying to access that label in the RowDataBound event, but for some reason I keep getting a "Object reference not set to an instance of an object." error on the line where I am using FindControl.
I've tried using "gvQReport.FindControl", "e.Row.FindControl", and "Me.FindControl" but nothing works.
[Code]....
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[Code]...
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Private Sub BindGrid()
Dim dataTable as DataTable = CType(Session.Item(APPLICATION_DATA), DataTable)
Grid.DataSource = dataTable.DefaultView
[Code].....
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[code]...
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May 18, 2011I am trying to use a label from another row in the gridview and insert it in a table when the user clicks the button which is in its own column.
my problem is that i cant get bookno which finds the label set to the @bookno in my sqldatasource
Protected Sub Button2_Click(ByVal sender As Object, ByVal e As System.EventArgs)
Dim selectedRow As Button = DirectCast(sender, Button)
Dim bookno As Label = CType(selectedRow.FindControl("label1"), Label)
[Code]....
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Dim x As String
Protected Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs)
If e.Row.RowType = DataControlRowType.DataRow Then
Dim id As Label = CType(e.Row.FindControl("id"), Label)
Dim button As Button = CType(e.Row.FindControl("button1"), Button)
[Code] .....
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Mar 1, 2012In C# when I programmatically need to get a specific control from a GridView, I insert in my RowDataBound event handler:
HyperLink hl = e.Row.Cells[n].Controls[0] as HyperLink;
How can I get the same result in VB? I tried:
Dim hl = CType(e.Row.Cells(n).Controls(0), HyperLink)
and
Dim hl as HyperLink = CType(e.Row.Cells(n).Controls(0), HyperLink)
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Me.gvSearchBrandList.DataSource = ds.Tables(0)
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Getting ID Of A Control From Gridview Edit Mode To Be Used By Javascript?
Jun 8, 2011Basically what needs to happen is when the user clicks edit onto the gridview and clicks on a certain textbox a javascript calendar popups up and the user picks a date.So far, I can set it statically and the calendar works for that one row, but not the other rows since the ID changes.My ASP Code (id of textbox has been set to txtStartDate):
<asp:TemplateField SortExpression="StartDate" HeaderText="Start Date">
<EditItemTemplate>
<asp:TextBox ID="txtStartDate" onClick="ddlchange()" Runat="server" Text='<%#Bind("StartDate")%>'>
[code]....
This works, for one textbox. It does not work for other since 'ct102' changes with every row.
Populate GridView Control From A Linq To SQL DataSource?
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[Code]...
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Private Sub GridViewParameters_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles GridViewParameters.RowDataBound
If e.Row.RowType = DataControlRowType.DataRow Then[code].....
Depending on whether the type of control is a dropdown, textbox, or check box (feined in the table) it hides or shows the relevant control type. If it is a dropdown it needs to get its values from a CSV in a corresponding column. I have a SP that returns a these in table form if passed the id of the relevant row.How do I get that is from the gridview to pass to the drop down and load it correctly?