/// <summary>
/// 删除一条食物
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void LinkButton1_Click(object sender, EventArgs e)
{
//获取要删除的食物的索引
LinkButton lbton = (LinkButton)sender;
DataListItem gvr = (DataListItem)lbton.Parent;
int foodindex = gvr.ItemIndex;
OrderFoodControl ofc = new OrderFoodControl();
OrderControl oc = new OrderControl();
foodlist = oc.GetProductCarFoodList(userid);
fooditemlist = oc.GetFoodItemByOrderFoodList(foodlist);
int foodid = fooditemlist.ElementAt(foodindex).FoodId;
int orderid = fooditemlist.ElementAt(foodindex).OrderId;
Session["OrderId"] = orderid;
//删除订单食物，如果订单里面没有食物了，就删除这个订单
ofc.DeleteOrderFood(orderid, foodid);
if(1 == foodlist.Count)
{
OrderData _order = new OrderData();
_order.DeleteOrder(_order.GetOrderById(orderid));
}
Response.Write("<script language=javascript>window.location.href=window.location.href;</script>");
}
protected void FoodNum_TextChanged(object sender, EventArgs e)
{
//获取修改了的TextBox的FoodItem项的索引
TextBox tb = (TextBox)sender;
if (tb.Text == "0")
{
Page.Response.Write("<script>alert('食物数量不能为0！您可以选择删除该食物。')</script>");
Response.Write("<script language=javascript>window.location.href=window.location.href;</script>");
return;
}
DataListItem gvr = (DataListItem)tb.Parent;
int foodindex = gvr.ItemIndex;
//调用逻辑层修改食物数量
int userid = Convert.ToInt32(Session["UserId"]);
OrderFoodControl ofc = new OrderFoodControl();
OrderControl oc = new OrderControl();
foodlist = oc.GetProductCarFoodList(userid);
fooditemlist = oc.GetFoodItemByOrderFoodList(foodlist);
int foodid = fooditemlist.ElementAt(foodindex).FoodId;
int foodnum = Convert.ToInt32(tb.Text.ToString());
ofc.ModifyFoodNum(userid, foodid, foodnum);
Response.Write("<script language=javascript>window.location.href=window.location.href;</script>");
}
/// <summary>
/// 按了查看后显示OrderDetailPanel，隐藏OrderListPanel
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void LinkButton1_Click(object sender, EventArgs e)
{
//获取订单的索引
LinkButton lbton = (LinkButton)sender;
DataListItem gvr = (DataListItem)lbton.Parent;
int foodindex = gvr.ItemIndex;
//获取这个页面上的所有OrderItem，通过foodindex索引得到orderid
userid = Convert.ToInt32(Session["UserId"]);
OrderControl oc = new OrderControl();
IList<OrderItem> orderlisttemp = oc.GetOrderItemListByUserId(userid);
//按时间排序
var orderlist1 = orderlisttemp.OrderByDescending(st => st.OrderTime);
IList<OrderItem> orderlist = new List<OrderItem>();
foreach (var v in orderlist1)
{
orderlist.Add(v);
}
//将订单信息保存在Session中
Session["OrderId"] = orderlist[foodindex].OrderId;
//Session["OrderReference"] = orderlist[foodindex].OrderReference;
//Session["OrderTime"] = orderlist[foodindex].OrderTime;
//Session["OrderStatus"] = orderlist[foodindex].Status;
Session["OrderTotal"] = orderlist[foodindex].Total;
//Session["OrderRequest"] = orderlist[foodindex].OtherReq;
//显示OrderDetailPanel，隐藏OrderListPanel
OrderDetailPanel.Visible = true;
OrderListPanel.Visible = false;
//在OrderDetailPanel中显示该订单信息
OrderReferenceLabel.Text = orderlist[foodindex].OrderReference;
OrderTimeLabel.Text = orderlist[foodindex].OrderTime.ToLongDateString() +
orderlist[foodindex].OrderTime.ToLongTimeString();
UserNameLabel.Text = Convert.ToString(Session["UserName"]);
StatusLabel.Text = orderlist[foodindex].Status;
Total.Text = orderlist[foodindex].Total.ToString();
//根据订单状态判断显示内容
switch (orderlist[foodindex].Status)
{
case "未付款":
StatusLabel.ForeColor = System.Drawing.Color.Red;
PayNowLink.Visible = true;
CancelLink.Visible = true;
ConfirmLink.Visible = false;
break;
case "已付款":
StatusLabel.ForeColor = System.Drawing.Color.Green;
PayNowLink.Visible = false;
CancelLink.Visible = false;
ConfirmLink.Visible = false;
break;
case "正在送":
StatusLabel.ForeColor = System.Drawing.Color.Green;
PayNowLink.Visible = false;
CancelLink.Visible = false;
ConfirmLink.Visible = true;
break;
case "交易成功":
StatusLabel.ForeColor = System.Drawing.Color.Green;
PayNowLink.Visible = false;
CancelLink.Visible = false;
ConfirmLink.Visible = false;
break;
case "订单已取消":
StatusLabel.ForeColor = System.Drawing.Color.Gray;
PayNowLink.Visible = false;
CancelLink.Visible = false;
ConfirmLink.Visible = false;
break;
}
//绑定订单食物的菜单到DataList中显示
//获取购物车信息：食物图片、食物名字、单价、数量、总价
//从OrderFood中获取的项有：订单Id（购物车）、食物Id、数量
OrderFoodData _orderFood = new OrderFoodData();
IList<OrderFood> foodlist = _orderFood.GetOrderFoodListByOrderId(orderlist[foodindex].OrderId);
if (0 == foodlist.Count)//购物车没有食物，将不显示
{
FoodList.Visible = false;
return;
}
else
{
FoodList.Visible = true;
}
IList<FoodItem> fooditemlist = oc.GetFoodItemByOrderFoodList(foodlist);
//Total.Text = totalmomey.ToString();
//将所有菜单绑定到DataList中显示出来
FoodList.DataSource = fooditemlist;
FoodList.DataBind();
}
protected void Page_Load(object sender, EventArgs e)
{
Panel1.Visible = true;
userid = Convert.ToInt32(Session["UserId"]);
//获取购物车信息：食物图片、食物名字、单价、数量、总价
//从OrderFood中获取的项有：订单Id（购物车）、食物Id、数量
OrderControl oc = new OrderControl();
foodlist = oc.GetProductCarFoodList(userid);
if (0 == foodlist.Count)//购物车没有食物，将不显示
{
Panel1.Visible = false;
return;
}
fooditemlist = oc.GetFoodItemByOrderFoodList(foodlist);
double totalmomey = GetTotalMomey(fooditemlist);
Total.Text = totalmomey.ToString();
Session["OrderTotal"] = Convert.ToString(totalmomey);
//将所有菜单绑定到DataList中显示出来
if (!IsPostBack)
{
ProductCar.DataSource = fooditemlist;
ProductCar.DataBind();
//ProductCar.
}
}
