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what is the use of .axd file in asp.net?

Posted By: priya     Posted Date: April 01, 2010    Points:2   Category :ASP.Net

I can see .axd file is generated at run time while running the asp.net application. I am sure I am not creating these file but while running the asp.net website i could see this file reference in my application.

How can i void this .axd file? Is it necessary?


Author: Dilip          Accepted Answer   
Posted Date: April 01, 2010     Points: 10   

An .axd file is a HTTP Handler file. There are two types of .axd files.

1. ScriptResource.axd
2. WebResource.axd

These are files which are generated at runtime whenever you use ScriptManager in your Web app. This is being generated only once when you deploy it on the server.

Simply put the ScriptResource.AXD contains all of the clientside javascript routines for Ajax. Just because you include a scriptmanager that loads a script file it will never appear as a ScriptResource.AXD - instead it will be merely passed as the .js file you send if you reference a external script file. If you embed it in code then it may merely appear as part of the html as a <script> tag and code but depending if you code according to how the ToolKit handles it - may or may not appear as as a ScriptResource.axd. ScriptResource.axd is only introduced with AJAX and you will never see it elsewhere

And ofcourse it is necessary

Author: Sagar Pardeshi             
Posted Date: April 02, 2010     Points: 5   

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