OK to throw an error for a missing required querystring parameter?
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by Balazs
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Published on 2010-05-19T12:07:27Z
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2010/05/19
12:10 UTC
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Is there anything wrong with having an asp.net page throw a (custom error) if a a required querystring parameter is missing and having global.asax catch it with Application_Error, then transfer the user to an error page? I have several base classes that perform these checks and I am not sure of the best way to communicate the error to a user.
So, something like this:
int reqParam;
if(!isParamSet("myReqParam", out reqParam))
{
throw new QuerystringParamMissingException();
}
which is then caught by Application_Error in global.asax.
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