Ajax UpdatePanel

[krris]

i put GridView in Update panel.
in update panel i have imagebutton.
i m doing export to excel on that button click i wrote following code:

HttpContext.Current.Response.AddHeader("content-disposition", "attachment;filename=" + FileName + ".xls");
HttpContext.Current.Response.ContentType = "application/vnd.ms-excel";
HttpContext.Current.Response.Charset = "";

System.IO.StringWriter l_obj_StrWr = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter l_obj_HtmlTxtWr = new System.Web.UI.HtmlTextWriter(l_obj_StrWr);

l_obj_GridView.RenderControl(l_obj_HtmlTxtWr);

HttpContext.Current.Response.Write(l_obj_StrWr);


but i get error of "parsing <div><table cell"

[iam_clint]

this isn't javascript ajax you posted what is it? ASP maybe asp.net?