How to master page using export excel in gridview

Question

I Am trying export to excel gridview in master page but error coming below

Control 'ctl00_ContentPlaceHolder1_gvLeavesReport' of type 'GridView' must be placed inside a form tag with runat=server.

how to solve this problem

thanks

Nirmal KumarC · Answer

Thanks

Sanjay Kumar · Answer

Hi try this public override void VerifyRenderingInServerForm( Control control) { // this is required for avoid error (control must be placed inside form tag) } private void ExportGrid( string fileName string contentType) { Response.Clear(); Response.Buffer = true ; Response.AddHeader( content-disposition  attachment;filename= + fileName); Response.Charset =  ; Response.ContentType = contentType; StringWriter sw = new StringWriter (); HtmlTextWriter HW = new HtmlTextWriter (sw); // Read Style file (css) here and add to response FileInfo fi = new FileInfo (Server.MapPath( ~/css/StyleSheet.css )); StringBuilder sb = new StringBuilder (); StreamReader sr = fi.OpenText(); while (sr.Peek() >= 0) { sb.Append(sr.ReadLine()); } sr.Close(); grdPaymentDeatils.RenderControl(HW); Response.Write(   + sb.ToString() +   + sw.ToString() +   ); Response.Flush(); Response.Close(); Response.End(); } protected void btnExportExcel_Click( object sender ImageClickEventArgs e) { // Export Gridview to Excel ExportGrid( DateTime .Now + PaymentPaidDetails.xls  application/vnd.ms-excel ); }

How to master page using export excel in gridview

Control 'ctl00_ContentPlaceHolder1_gvLeavesReport' of type 'GridView' must be placed inside a form tag with runat=server.how to solve this problem thanks

Control 'ctl00_ContentPlaceHolder1_gvLeavesReport' of type 'GridView' must be placed inside a form tag with runat=server.

how to solve this problem

thanks