明细表使用ButtonEdit选择商品资料并设置商品名称，单价等信息

        private void OnStockCode_ButtonClick(object sender, DevExpress.XtraEditors.Controls.ButtonPressedEventArgs e)

        {

            //打开商品查询窗体           

            frmFuzzySearch.Execute(sender as ButtonEdit, new bllProduct(), this.SearchStockCallBack);

        }

        //检查商品编号

        private void OnStockCode_Validating(object sender, CancelEventArgs e)

        {

            if (this.IsAddOrEditMode == false) return;

            if (string.IsNullOrEmpty((sender as ButtonEdit).Text)) return;

            string stockCode = (sender as ButtonEdit).Text.Trim();

            DataTable dt = new bllProduct().GetDataByKey(stockCode); //验证产品编号是否正确

            if (dt.Rows.Count > 0)

                this.SearchStockCallBack(dt.Rows[0]);

            else

            {

                e.Cancel = true;

                Msg.Warning("产品编号不存在！");

            }

        }

        private void SearchStockCallBack(DataRow resultRow)

        {

            if (resultRow == null) return;

            //给表格的字段赋值

            int H = gvDetail.FocusedRowHandle;

            gvDetail.SetRowCellValue(H, colD_ProductID, ConvertEx.ToString(resultRow[tb_Product.ProductID]));

            gvDetail.SetRowCellValue(H, colD_ProductName, ConvertEx.ToString(resultRow[tb_Product.ProductName]));

            gvDetail.SetRowCellValue(H, colD_AssyNumber, 1);

            gvDetail.UpdateCurrentRow();

        }