private void bbi_Turnover_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { int id = 0; if (this.gridView2.RowCount <= 0) { return; } id = ToolHelper.ConvertToInt(this.gridView2.GetFocusedRowCellValue("TURNOVERNO").ToString()); if (id < 1) { MessageBox.Show("请选择需要提交的材料记录!", "提示信息"); return; } else { DateTime dt = DateTime.Now; BLL.STU_MATERIALS stumaterialsBll = new BLL.STU_MATERIALS(); stumaterialsBll.Update(id, dt); refresh_Materials(); } }