protected void GvSubjectTypeRowCommand(object sender, GridViewCommandEventArgs e) { if (e.CommandName.Equals("Insert")) { var ftrPerSubjectName = GvSubjectType.FooterRow != null?GvSubjectType.FooterRow.FindControl("ftrSubjectName") as TextBox: null; if (ftrPerSubjectName != null && !string.IsNullOrEmpty(ftrPerSubjectName.Text.Trim())) { PageDataService.AddSubjectByEntityFrameWork(ftrPerSubjectName.Text); } Response.Redirect(Request.RawUrl); } }