protected void grd_RowCommand(object sender, GridViewCommandEventArgs e)//Row command function for grid functionality { int rowIndex = Convert.ToInt32(e.CommandArgument.ToString()); string batchid = this.grd.DataKeys[rowIndex]["ID"].ToString(); if (e.CommandName == "updates") { ListToDataTable lsttodt = new ListToDataTable(); var lst = _service.GetBatchDataByID(Guid.Parse(batchid)); DataTable dt = lsttodt.ToDataTable(lst); if (dt != null && dt.Rows.Count > 0) { hdnbatchid.Value = dt.Rows[0]["ID"].ToString(); txtBatchName.Text = dt.Rows[0]["BatchName"].ToString(); txtBatchCode.Text = dt.Rows[0]["BatchCode"].ToString(); txtAssessmentDate.Text = dt.Rows[0]["AssessmentDate"].ToString(); txtCourse.Text = dt.Rows[0]["Course"].ToString(); txtLanguage.Text = dt.Rows[0]["Language"].ToString(); txtNoOfCandidates.Text = dt.Rows[0]["NoOfCandidate"].ToString(); btnSubmit.Text = "Update"; } else { //do nothing btnSubmit.Text = "Save"; } } else { DataTable dt = new DataTable(); bool result = _service.DeletesBatchData(Guid.Parse(batchid)); if (result) { bindGrid(); } } }