/// <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>");
}
/// <summary>
/// 用户模块中设置购物车中食物数量
/// </summary>
/// <param name="orderControl"></param>
public void GetProductNum()
{
//设置购物车数量
int userid = Convert.ToInt32(Session["UserId"].ToString());
OrderControl orderControl = new OrderControl();
IList<OrderFood> orderfoodlist = orderControl.GetProductCarFoodList(userid);
int productnum = 0;
foreach (var u in orderfoodlist)
{
productnum += u.FoodNum;
}
this.MyCar.Text = "我的购物车[" + productnum.ToString() + "]";
}
protected void Page_Load(object sender, EventArgs e)
{
Panel1.Visible = false;
Panel2.Visible = true;
int userid = Convert.ToInt32(Session["UserId"]);
OrderControl oc = new OrderControl();
IList<OrderFood> foodlist = oc.GetProductCarFoodList(userid);
if (0 == foodlist.Count)
{
Panel1.Visible = true;
Panel2.Visible = false;
return;
}
}
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>");
}
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.
}
}
