摘要: The global.asax file setup by Visual Studio.NET gives every web application a Global class derived from HttpApplication. The class contains event handlers such as Application_Start and Session_Start. There is a tendency to think each web application will have a single instance of Global. Indeed, in most frameworks an object representing the “application” is a singleton – only one exists. Also, we know the ASP.NET runtime calls Application_Start only once when the application starts. All of t阅读全文