Global.asax中添加:     
public override void Init()
        {
            this.PostAuthenticateRequest += (sender, e) =>
 HttpContext.Current.SetSessionStateBehavior(SessionStateBehavior.Required);
            base.Init();
        } 
  
 上图:
 
  
  
 
 
转载于:https://www.cnblogs.com/SeNaiTes/p/9003752.html
                
        
 
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