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POHow to use and scope of global.asax (for file cleanup after application ends)
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copied!<p>On the subject of dynamically storing temporary images and handling their cleanup on a web server's file system: (using C# in .NET 3.5).</p> <p>It was suggested that I use a <code>global.asax</code> file to handle this.</p> <p>I just can't figure out how this thing works.</p> <p>I have two separate applications...</p> <p>I have figured out that the global.asax is supposed to be in the root directory of the website.</p> <p>Questions:</p> <p>1) How to I get the <code>global.asax</code> to fire for only these two specific applications.</p> <p>2) both applications need to create a list of strings (the file locations) then delete them on the application termination. Do I instantiate this array in the app, or in the <code>global.asax</code>?</p> <p>My code will look like this:</p> <pre><code>List<string> fileLocations = new List<string>(); //I don't know where to put this. //The next line of code will be in both applications (this could //be called many times in one application session. The names of //the files are generated from the clock (milliseconds and //seconds combined, I might change this to use the actual //random class combined with sessionID) fileLocations.Add(file); void Application_End(object sender, EventArgs e) { // Code that runs on application shutdown foreach(string file in fileLocations) { if(File.Exists(file)) File.Delete(file); } } </code></pre> <p>I am confused about how the global.asax actually works. Is it used like an interface?</p>

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