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POHow to export gridview to Excel in ASP.net using C#?
 

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  1. POHow to export gridview to Excel in ASP.net using C#?
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    <p>Does someone know how I can export a gridview in ASP.net to Excel??</p> <p>I use this code but I can't access my gridview because it's null</p> <pre><code>protected void BtnExport_Click(object sender, EventArgs e) { DataTable dtOriginal = new DataTable(); dtOriginal = (DataTable)gvRapporten.DataSource; //Return Table consisting data //Create Tempory Table DataTable dtTemp = new DataTable(); //Creating Header Row dtTemp.Columns.Add("&lt;b&gt;Melder&lt;/b&gt;"); dtTemp.Columns.Add("&lt;b&gt;Onderwerp&lt;/b&gt;"); dtTemp.Columns.Add("&lt;b&gt;Oplosser&lt;/b&gt;"); dtTemp.Columns.Add("&lt;b&gt;Niveau 2&lt;/b&gt;"); DataRow drAddItem; for (int i = 0; i &lt; dtOriginal.Rows.Count; i++) { drAddItem = dtTemp.NewRow(); drAddItem[0] = dtOriginal.Rows[i][0].ToString();//Melder drAddItem[1] = dtOriginal.Rows[i][1].ToString();//Onderwerp drAddItem[2] = dtOriginal.Rows[i][2].ToString();//Oplosser drAddItem[3] = dtOriginal.Rows[i][3].ToString();//Niveau 2 dtTemp.Rows.Add(drAddItem); } //Temp Grid DataGrid dg = new DataGrid(); dg.DataSource = dtTemp; dg.DataBind(); ExportToExcel("Report.xls", dg); dg = null; dg.Dispose(); } private void ExportToExcel(string strFileName, DataGrid dg) { Response.ClearContent(); Response.AddHeader("content-disposition", "attachment; filename=" + strFileName); Response.ContentType = "application/excel"; System.IO.StringWriter sw = new System.IO.StringWriter(); HtmlTextWriter htw = new HtmlTextWriter(sw); dg.RenderControl(htw); Response.Write(sw.ToString()); Response.End(); } </code></pre>
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