Export to Excel from Datatable in Asp.Net

This function is used to export datatable to export.

public void ExportToExcel(DataTable dt)

    {

        if (dt.Rows.Count > 0)

        {

            string filename = "DownloadIRTList.xls";

            System.IO.StringWriter tw = new System.IO.StringWriter();

            System.Web.UI.HtmlTextWriter hw = new System.Web.UI.HtmlTextWriter(tw);

            DataGrid dgGrid = new DataGrid();

            dgGrid.DataSource = dt;

            dgGrid.DataBind();

            //Get the HTML for the control.

            dgGrid.RenderControl(hw);

            //Write the HTML back to the browser.

            //Response.ContentType = application/vnd.ms-excel;

            Response.ContentType = "application/vnd.ms-excel";

            Response.AppendHeader("Content-Disposition", "attachment; filename=" + filename + "");

            this.EnableViewState = false;

            Response.Write(tw.ToString());

            Response.End();

        }

    }

Call the function

DataTable dataTableObj = incedenceManagerObj.GetResolvedList();

ExportToExcel(dataTableObj);