HttpContext context = HttpContext.Current; context.Response.Clear(); context.Response.ContentType = "text/csv"; context.Response.AddHeader("Content-Disposition", "attachment; filename=" + fileName + ".csv"); //rite column header names for (int i = 0; i < data.Columns.Count - 1; i++) { if (i > 0) { context.Response.Write(,); } context.Response.Write(data.Columns[i].ColumnName); } context.Response.Write(Environment.NewLine); //Write data foreach (DataRow row in data.Rows) { for (int i = 0; i < data.Columns.Count - 1; i++) { if (i > 0) { context.Response.Write(","); } context.Response.Write(row.ItemArray[i]); } context.Response.Write(Environment.NewLine); } context.Response.End()
GridView1
runat="server"
var
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