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session的基本设置：
using System;
using System.Collections.Generic;
using System.Text;
using System.Web;
using System.Web.SessionState;
namespace OAFrameWork
{
public class CSession
{
public static object Get(string Key)
{
return HttpContext.Current.Session[Key];
}
public static string GetString(string Key)
{
object obj = HttpContext.Current.Session[Key];
if (obj == null) return "";
else return obj.ToString();
}
public static object Get(string Key,object DefaultValue)
{
if (HttpContext.Current.Session[Key] == null)
return DefaultValue;
else
return HttpContext.Current.Session[Key];
}
public static object Get(string Key, object DefaultValue,Boolean CanAdd)
{
if (HttpContext.Current.Session[Key] == null)
{
if(CanAdd==true)
HttpContext.Current.Session.Add(Key, DefaultValue);
return DefaultValue;
}
else
return HttpContext.Current.Session[Key];
}
public static Boolean Set(string Key,object Value)
{
try
{
if (Value == null && HttpContext.Current.Session[Key] != null)
{
HttpContext.Current.Session.Remove(Key);
}
else if (HttpContext.Current.Session[Key] == null)
{
HttpContext.Current.Session.Add(Key, Value);
}
else
{
HttpContext.Current.Session[Key] = Value;
}
return true;
}
catch (Exception ex)
{
CMsgBox.Show(ex.Message);
return false;
}
}
}
}
</div>
清除Session：
Session.Abandon();//清除全部Session
//清除某个Session
Session["UserName"] = null;
Session.Remove("UserName");
</div>
</div>