It's Giving an error like " RegisterForEventValidation can only be called during Render();"
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;
using System.Text;
using System.IO;
/// <summary>
/// </summary>
public static class Export
{
public static void Excell(Control Gv, string FileName)
{
ImageButton img = new ImageButton();
string name = String.Empty;
for (int i = 0; i < Gv.Controls.Count; i++)
{
if (Gv.Controls[i].GetType() == typeof(ImageButton))
{
Gv.Controls.Remove(Gv.Controls[i]);
}
}
string attachme ...
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