GridView Full Like GdvCar_DataBound Isn't Executed
Oct 29, 2010
I have problem on page bellow, in gdvCar_DataBound I add three buttons, when I click on any of them, page go to postback but doesn't enter in gdvCar_RowCommand and then that buttons ( and images that I also add in gdvCar_DataBound) disaper. Grid is then full like gdvCar_DataBound isn't execute. My question is why it doesn't enter at gdvCar_RowCommand ?
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using HMS.library;
using System.Data.SqlClient;....................
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Server Error in '/bramandam site' Application.
Object reference not set to an instance of an object.
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.NullReferenceException: Object reference not set to an instance of an object.
Source Error:
Line 81: TextBox tfn = (TextBox)dv.FindControl("tsn");
Line 82: Label lb = ((Label)dv.FindControl("Label4"));
Line 83: string qry = "update section set sectionid='" + tbf.Text;
Line 84: qry += "',sectionname='" + tfn.Text;
Line 85: qry += "' where pk='" + lb.Text;
Source File: d:jquery themesramandam siteSection.aspx.cs Line: 83
Stack Trace:
[NullReferenceException: Object reference not set to an instance of an object.]
Section.GridView1_RowUpdating(Object sender, GridViewUpdateEventArgs e) in d:jquery themesramandam siteSection.aspx.cs:83
System.Web.UI.WebControls.GridView.OnRowUpdating(GridViewUpdateEventArgs e) +133
System.Web.UI.WebControls.GridView.HandleUpdate(GridViewRow row, Int32 rowIndex, Boolean causesValidation) +720
[Code] .....
Version Information: Microsoft .NET Framework Version:2.0.50727.4984; ASP.NET Version:2.0.50727.4971
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<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="sectionid" onrowdeleting="GridView1_RowDeleting" onrowcommand="GridView1_RowCommand" onrowediting="GridView1_RowEditing" onrowupdating="GridView1_RowUpdating" BackColor="White" BorderColor="#E7E7FF" BorderStyle="None" BorderWidth="1px" CellPadding="3" GridLines="Horizontal">
<RowStyle BackColor="#E7E7FF" ForeColor="#4A3C8C" />
[Code] ....
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[URL]
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[Code]....
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[Code]....
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[Code]....
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