????PreApplicationStartMethodAttribute???????????????

????Global.asax??Application_Start?????????????÷???????ASP.NET???????????????????????????????????????????????????????????????????????

?????????????ASP.NET??????????????????????????????????????????????

    void Application_Start() 
    { 
        System.Diagnostics.StackTrace stack = new System.Diagnostics.StackTrace(); 
        System.IO.File.WriteAllText("h:\Application_Start_stack.txt"?? stack.ToString()); 
    }

??????????????°ɡ?

?????????Global.asax??Application_Start????????????м????Ч???????

    // ????????????????????Application_Start(object sender?? EventArgs e)?????????? 
    
    void Application_OnStart() 
    { 
    } 
    
    void Application_Start() 
    { 
    }