当前上下文中不存在“会话" [英] 'Session' does not exist in the current context
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问题描述
我有以下代码,它使用会话,但我在行中有错误:
I have the following code, that uses session but i have an error in the line :
if (Session["ShoppingCart"] == null)
错误是cS0103:当前上下文中不存在名称Session"
有什么问题?
using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Collections.Generic;
using System.Web.SessionState;
/// <summary>
/// Summary description for ShoppingCart
/// </summary>
public class ShoppingCart
{
List<CartItem> list;
public ShoppingCart()
{
if (Session["ShoppingCart"] == null)
list = new List<CartItem>();
else
list = (List<CartItem>)Session["ShoppingCart"];
}
}
推荐答案
问题是您的类没有从 Page 继承.你需要改变
The issue is that your class does not inherit from Page. you need to Change
public class ShoppingCart
到
public class ShoppingCart : Page
它会起作用
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