//修改
        protected void imgUpdatebtn_Click(object sender, ImageClickEventArgs e)
        {
            if (!string.IsNullOrEmpty(txtProductId.Text))
            {
                Products item = new Products();
                //修改条件  HttpContext.Current.Response.Write("<script language='javascript'>alert(' 请输入密码? ');</script>");
                item.ProductId   = txtProductId.Text;
                item.ProductName = txtProductName.Text;

                decimal result = 0;
                //成本价
                if (decimal.TryParse(txtProductCost.Text, out result))
                {
                    item.ProductCost = decimal.Parse(txtProductCost.Text);
                }
                else
                {
                    HttpContext.Current.Response.Write("<script language='javascript'>alert('产品成本价不符合要求!');</script>");
                }

                //销售价
                decimal result1 = 0;
                if (decimal.TryParse(txtSalePrice.Text, out result1))
                {
                    item.SalePrice = decimal.Parse(txtSalePrice.Text);
                }
                else
                {
                    HttpContext.Current.Response.Write("<script language='javascript'>alert('产品销售价不符合要求!');</script>");
                }

                //最低库存量
                decimal result2 = 0;
                if (decimal.TryParse(txtCurrentstock.Text, out result2))
                {
                    item.Currentstock = decimal.Parse(txtCurrentstock.Text);
                }
                else
                {
                    HttpContext.Current.Response.Write("<script language='javascript'>alert('最低库存量不符合要求!');</script>");
                }


                //是否要提醒
                item.StockNotifyStatus = int.Parse(dwlStockNotifyStatus.SelectedItem.Value);
                item.Remarks           = txtRemarks.Text;
                item.UpdateDate        = DateTime.Now;
                if (Session["LoginedAdmin"] != null)
                {
                    AdUserInfo adminUserObj = (AdUserInfo)Session["LoginedAdmin"];
                    item.Updater = adminUserObj.AdminUserId;
                }
                item.ProductUnits = txtProductUnits.Text;
                //更新产品信息
                if (ProductsDAL.UpdateProductInfo(item))
                {
                    InitProduct(item.ProductId);
                    HttpContext.Current.Response.Write("<script language='javascript'>alert('修改产品信息成功!');</script>");
                }
                else
                {
                    HttpContext.Current.Response.Write("<script language='javascript'>alert('修改产品信息失败!');</script>");
                }
            }
            else
            {
                HttpContext.Current.Response.Write("<script language='javascript'>alert('没有产品信息无法修改!');</script>");
            }
        }