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Handling System.Threading.ThreadAbortException in ASP.NET Redirects
Using Response.Redirect()
in ASP.NET can sometimes throw a System.Threading.ThreadAbortException
. This happens because the server terminates the current page execution after the redirect. Setting endResponse
to true
in Response.Redirect()
avoids the exception, but allows unnecessary processing after the redirect, which is inefficient.
The Best Approach
The ideal solution is to use Response.Redirect()
with endResponse
set to false
, followed by Context.ApplicationInstance.CompleteRequest()
. This cleanly redirects without the exception:
<code class="language-csharp">Response.Redirect(url, false); Context.ApplicationInstance.CompleteRequest();</code>
This tells the IIS pipeline to immediately proceed to the EndRequest
stage, preventing further processing of the current page.
Further Reading
For a more detailed explanation, including handling redirects within an Application_Error
handler, see Thomas Marquardt's insightful blog post (link to blog post would be inserted here if available). This approach ensures efficient and exception-free redirects in your ASP.NET applications.
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