Contains notes and lessons in working technology, especially .NET, Azure, DevOps, Agile, and Team Foundation Server.

Friday, October 16, 2009

ASP.NET Response.Redirect and ThreadAbortException

By design, the Response.Redirect method in ASP.NET will throw a ThreadAbortException when either the default overload is used (Response.Redirect(url)) or a value of ‘true’ is specified in the second overload (Response.Redirect(url, endResponse)).  You can read more details here.  In order to avoid logging this exception, make sure to not place any Response.Redirect calls in the try portion of a try.. catch block.  One thing I did note is that ASP.NET will not catch and log this error if you are using the Page_Error method, but you will catch it if you have it in your own try.. catch code.

Don’t do this:

try

{

// .. code that does something

Response.Redirect("A new page");
}

catch (Exception ex) { /* log error */ }

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