34.4. The Role of the Global.asax File
At this point, an ASP.NET application may seem little more than a set of.aspx files and their respective web controls. While you could build a web application by simply linking a set of related web pages, you will most likely need a way to interact with the web application as a whole. To this end, an ASP.NET application may choose to include an optional Global.asax file via the Web Site 
Add New Item menu option, as shown in Figure 34-2 (notice you are selecting the Global Application Class icon).
Figure 34.2. The Global.asax file
Simply put, Global.asax is just about as close to a traditional double-clickable ...
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