ASP.NET MVC Controller Action Precondition Filter

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By mswatcher
via blog.troyd.net
Published: May 16 2008 / 23:57

ASP.NET MVC Controller Action Precondition Filter

I often find the need to check for the existence of a parameter passed to a web page, such as an ID, and also often need to check if the ID is valid as well (e.g.: a valid primary key). In the spirit of Design By Contract, I would consider this check to be a sort of "Request By Contract", at least insofar as the concept of a "precondition"

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