protected void cmdProduct_Click(object sender, EventArgs e)
    {
        if (this.txtSkuId.Value.Trim().Length <= 0) return;

        bool added = false;
        using (_session = new Session())
        {
            string[] idArray = this.txtSkuId.Value.Trim().Trim(';').Split(';');
            try
            {
                POHead head = POHead.Retrieve(_session, this.OrderNumber);
                if (head == null || head.Status != POStatus.New) return;

                _session.BeginTransaction();
                foreach (string s in idArray)
                {
                    POLine poLine = new POLine();
                    poLine.OrderNumber = this.OrderNumber;
                    poLine.SKUID = Cast.Int(s, 0);
                    if (poLine.SKUID <= 0) continue;
                    poLine.LineNumber = head.NextLineNumber();
                    poLine.LineStatus = POLineStatus.Open;
                    poLine.PurchaseQty = 0M;
                    poLine.Price = 0M;
                    //Vendor vendor = null;
                    //if (head.VendorID > 0) vendor = Vendor.Retrieve(_session, head.VendorID);
                    //if (vendor != null)
                    //{
                    //    poLine.TaxID = vendor.TaxID;
                    //    poLine.TaxValue = vendor.Tax;
                    //}
                    //else
                    //{
                    //    poLine.TaxID = 0;
                    //    poLine.TaxValue = 0M;
                    //}
                    poLine.TaxID = 0;
                    poLine.TaxValue = 0M;
                    poLine.TaxInclusiveAmt = 0M;
                    poLine.TaxAmt = 0M;
                    poLine.TaxExlusiveAmt = 0M;
                    poLine.PlanDate = head.DefaultPlanDate;
                    poLine.ActualDate = new DateTime(1900, 1, 1);
                    poLine.ReceiveQty = 0M;
                    poLine.IQCQty = 0M;
                    poLine.UnfinishedReceiveQty = 0M;
                    poLine.ModifyUser = SecuritySession.CurrentUser.UserId;
                    poLine.ModifyTime = DateTime.Now;
                    poLine.UnitID = 0;

                    poLine.Create(_session);
                    added = true;
                }
                head.Update(_session, "CurrentLineNumber");
                _session.Commit();
                if (added)
                {
                    BindPOLine(_session, head);
                    WebUtil.ShowMsg(this, "订单明细保存成功", "操作成功");
                }
            }
            catch (Exception ex)
            {
                _session.Rollback();
                logger.Info("保存POLine", ex);
                WebUtil.ShowError(this, "发生未处理的异常,请刷新页面重新操作,或者联系系统管理员");
            }
        }
    }
    protected void MagicItemCommand(object sender, MagicItemEventArgs e)
    {
        if (e.CommandName == "Save")
        {
            #region 保存
            //txtPurchaseQty txtPlanDate txtPrice
            bool updated = false;
            using (_session = new Session())
            {
                POHead head = POHead.Retrieve(_session, this.OrderNumber);
                if (head == null || head.Status != POStatus.New) return;

                _session.BeginTransaction();
                try
                {
                    foreach (RepeaterItem item in this.rptPL.Items)
                    {
                        HtmlInputCheckBox chk = item.FindControl("checkbox") as HtmlInputCheckBox;
                        if (!string.IsNullOrEmpty(chk.Value))
                        {
                            HtmlInputText txtPurchaseQty = item.FindControl("txtPurchaseQty") as HtmlInputText;
                            HtmlInputText txtPlanDate = item.FindControl("txtPlanDate") as HtmlInputText;
                            HtmlInputText txtPrice = item.FindControl("txtPrice") as HtmlInputText;
                            POLine poLine = POLine.Retrieve(_session, this.OrderNumber, chk.Value);
                            if (poLine == null || poLine.LineStatus != POLineStatus.Open) continue;

                            poLine.PurchaseQty = Cast.Decimal(txtPurchaseQty.Value, poLine.PurchaseQty);
                            poLine.PlanDate = Cast.DateTime(txtPlanDate.Value, poLine.PlanDate);
                            poLine.Price = Cast.Decimal(txtPrice.Value, poLine.Price);
                            poLine.TaxID = 0;
                            poLine.TaxValue = 0M;
                            //含税额(含税采购成本)  TaxInclusiveAmt 含税额 = 数量*单价
                            poLine.TaxInclusiveAmt = poLine.PurchaseQty * poLine.Price;
                            //不含税额(采购成本) TaxExlusiveAmt 含税额-税额
                            poLine.TaxExlusiveAmt = 0M; // poLine.TaxInclusiveAmt / (1 + poLine.TaxValue);
                            //税额    TaxAmt  税额 = 不含税额*税率
                            poLine.TaxAmt = 0M; //poLine.TaxExlusiveAmt * poLine.TaxValue;
                            poLine.Update(_session, "PurchaseQty", "TaxID", "TaxValue", "PlanDate", "Price", "TaxInclusiveAmt");
                            updated = true;
                        }
                    }
                    //更新统计信息
                    if (updated)
                        UpdatePOLineAndPoHead(_session, head);
                    _session.Commit();
                    if (updated)
                    {
                        BindPOLine(_session, head);
                        WebUtil.ShowMsg(this, "采购订单明细保存成功", "操作成功");
                    }
                }
                catch (Exception ex)
                {
                    _session.Rollback();
                    WebUtil.ShowError(this, ex);
                }
            }
            #endregion
        }
        else if (e.CommandName == "Cancel")
        {
            #region 取消明细
            bool updated = false;
            using (_session = new Session())
            {
                POHead head = POHead.Retrieve(_session, this.OrderNumber);
                if (head.Status != POStatus.Release)
                    return;

                _session.BeginTransaction();
                try
                {
                    foreach (RepeaterItem item in this.rptPL.Items)
                    {
                        HtmlInputCheckBox chk = item.FindControl("checkbox") as HtmlInputCheckBox;
                        if (chk != null && chk.Checked && !string.IsNullOrEmpty(chk.Value))
                        {
                            POLine poLine = POLine.Retrieve(_session, this.OrderNumber, chk.Value);
                            if (poLine == null || poLine.LineStatus != POLineStatus.Open) continue;
                            poLine.LineStatus = POLineStatus.Cancel;
                            poLine.ModifyUser = Magic.Security.SecuritySession.CurrentUser.UserId;
                            poLine.ModifyTime = DateTime.Now;
                            poLine.Update(_session, "LineStatus", "ModifyUser", "ModifyTime");
                            updated = true;
                        }
                    }
                    //再次统计 POLine
                    if (updated)
                        UpdatePOLineAndPoHead(_session, head);
                    _session.Commit();

                    if (updated)
                    {
                        BindPOLine(_session, head);
                        WebUtil.ShowMsg(this, "选择的明细已经取消", "操作成功");
                    }
                }
                catch (Exception ex)
                {
                    _session.Rollback();
                    WebUtil.ShowError(this, ex);
                }
            }
            #endregion
        }
        else if (e.CommandName == "Delete")
        {
            #region 删除明细
            bool deleted = false;
            using (_session = new Session())
            {
                POHead head = POHead.Retrieve(_session, this.OrderNumber);
                if (head == null || head.Status != POStatus.New) return;

                _session.BeginTransaction();
                try
                {
                    foreach (RepeaterItem item in this.rptPL.Items)
                    {
                        HtmlInputCheckBox chk = item.FindControl("checkbox") as HtmlInputCheckBox;
                        if (chk != null && chk.Checked && !string.IsNullOrEmpty(chk.Value))
                        {
                            POLine line = POLine.Retrieve(_session, this.OrderNumber, chk.Value);
                            if (line.LineStatus != POLineStatus.Open) continue;
                            line.Delete(_session);
                            deleted = true;
                        }
                    }
                    //再次统计 POLine
                    if (deleted)
                        UpdatePOLineAndPoHead(_session, head);
                    _session.Commit();

                    if (deleted)
                    {
                        BindPOLine(_session, head);
                        WebUtil.ShowMsg(this, "选择的明细已经删除", "操作成功");
                    }
                }
                catch (Exception ex)
                {
                    _session.Rollback();
                    WebUtil.ShowError(this, ex);
                }
            }
            #endregion
        }
        else if (e.CommandName == "Release" || e.CommandName == "Close")
        {
            #region 发布,关闭
            using (_session = new Session())
            {
                try
                {
                    POHead head = POHead.Retrieve(_session, this.OrderNumber);
                    _session.BeginTransaction();
                    if (e.CommandName == "Release")
                        head.Release(_session);
                    else
                        head.Close(_session);
                    _session.Commit();

                    BindPOLine(_session, head);
                    this.SetView(_session, head);
                    WebUtil.ShowMsg(this, "订单已经" + (e.CommandName == "Release" ? "发布" : "关闭"), "操作成功");
                }
                catch (Exception er)
                {
                    _session.Rollback();
                    WebUtil.ShowError(this, er);
                }
            }
            #endregion
        }
        else if (e.CommandName == "QuickAdd")
        {
            #region 快速添加
            using (_session = new Session())
            {
                //检查
                string itemCode = this.txtItemCode.Value.Trim();
                string color = this.txtColorCode.Value.Trim().ToUpper();
                string size = this.txtSizeCode.Value.Trim().ToUpper();
                decimal qty = Cast.Decimal(this.txtPurchaseQty.Value.Trim(), 0M);
                decimal price = Cast.Decimal(this.txtPrice.Value.Trim(), 0M);
                DateTime date = Cast.DateTime(this.txtDemandDate.Value.Trim(), new DateTime(1900, 1, 1));

                if (qty <= 0M)
                {
                    this.txtAlertMsg.InnerText = string.Format("采购数量{0}不是有效的数字", this.txtPurchaseQty.Value.Trim());
                    return;
                }
                if (price <= 0M)
                {
                    this.txtAlertMsg.InnerText = string.Format("单价{0}不是有效的数字", this.txtPrice.Value.Trim());
                    return;
                }
                if (date <= new DateTime(1900, 1, 1))
                {
                    this.txtAlertMsg.InnerText = string.Format("无效的需求日期{0}", this.txtDemandDate.Value.Trim());
                    return;
                }

                IList<ItemMaster> masters = _session.CreateEntityQuery<ItemMaster>()
                    .Where(Exp.Eq("ItemCode", itemCode)).List<ItemMaster>();
                if (masters == null || masters.Count <= 0)
                {
                    this.txtAlertMsg.InnerText = string.Format("货号{0}不存在", itemCode);
                    return;
                }
                ItemColor objColor = ItemColor.Retrieve(_session, color);
                if (objColor == null)
                {
                    this.txtAlertMsg.InnerText = string.Format("颜色代码{0}不存在", color);
                    return;
                }
                IList<ItemSpec> skus = _session.CreateEntityQuery<ItemSpec>()
                    .Where(Exp.Eq("ItemID", masters[0].ItemID) & Exp.Eq("ColorCode", objColor.ColorCode) & Exp.Eq("SizeCode", size))
                    .List<ItemSpec>();
                if (skus == null || skus.Count <= 0)
                {
                    this.txtAlertMsg.InnerText = string.Format("不存在货号:{0} 颜色:{1} 尺码:{2}的SKU", itemCode, color, size);
                    return;
                }
                ItemSize objSize = ItemSize.Retrieve(_session, size, masters[0].CategoryID);
                if (objSize == null)
                {
                    this.txtAlertMsg.InnerText = string.Format("尺码{0}不存在", size);
                    return;
                }

                //添加操作
                POHead head = POHead.Retrieve(_session, this.OrderNumber);
                POLine line = new POLine();
                line.OrderNumber = this.OrderNumber;
                line.LineNumber = head.NextLineNumber();
                line.LineStatus = POLineStatus.Open;
                line.SKUID = skus[0].SKUID;
                line.PurchaseQty = qty;
                line.Price = price;
                line.TaxID = 0;
                line.TaxValue = 0M;
                line.TaxInclusiveAmt = line.PurchaseQty * line.Price;
                line.TaxExlusiveAmt = 0M; // line.TaxInclusiveAmt / (1 + line.TaxValue);
                line.TaxAmt = 0M; //line.TaxExlusiveAmt * line.TaxValue;
                line.PlanDate = date;
                line.ActualDate = new DateTime(1900, 1, 1);
                line.ReceiveQty = 0M;
                line.IQCQty = 0M;
                line.UnfinishedReceiveQty = 0M;
                line.ModifyUser = SecuritySession.CurrentUser.UserId;
                line.ModifyTime = DateTime.Now;
                line.UnitID = 0;

                try
                {
                    _session.BeginTransaction();
                    line.Create(_session);
                    head.Update(_session, "CurrentLineNumber");
                    this.UpdatePOLineAndPoHead(_session, head);
                    _session.Commit();
                    BindPOLine(_session, head);
                    this.txtAlertMsg.InnerText = "添加成功,订单行号为" + line.LineNumber;
                    this.txtPurchaseQty.Value = "";
                }
                catch (Exception er)
                {
                    _session.Rollback();
                    WebUtil.ShowError(this, er);
                }
            }
            #endregion
        }
    }