protected void gvRequirement_RowDeleting(object sender, GridViewDeleteEventArgs e) { e.Cancel = true; int sequence = (int)e.Keys["sequence"]; DepartmentOrderDetailTableAdapters.DepartmentOrderRequirementTableAdapter tableAdapter = new DepartmentOrderDetailTableAdapters.DepartmentOrderRequirementTableAdapter(); tableAdapter.Delete(loggedInUserId, sequence); gvRequirement.DataBind(); btnAddRequirement.Focus(); }