I have a scenario where I need to call a webmethod on pageunload event of javascript.[*]When I open multiple instances of same page in multiple browser tabs(eg greater than 10 tabs). [*]Close the browser at once.Pageunload for multiple instances of page is called and my error recording tool records the error "Http Error 500: Internal Server Error".But, nothing is written in log files and I do not get any error message even if the application is in debug mode.
Http Error 500: Internal Server Error - Asp.Net
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