Detecting what the target object is when NullReferenceException is thrown.
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by StingyJack
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Published on 2008-09-22T15:35:37Z
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2010/04/03
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I'm sure we all have received the wonderfully vague "Object reference not set to instance of an Object" exception at some time or another. Identifying the object that is the problem is often a tedious task of setting breakpoints and inspecting all members in each statement.
Does anyone have any tricks to easily and efficiently identify the object that causes the exception, either via programmatical means or otherwise?
--edit
It seems I was vague like the exception =). The point is to _not have to debug the app to find the errant object. The compiler/runtime does know that the object has been allocated, and that the object has not yet been instantiated. Is there a way to extract / identify those details in a caught exception
@ W. Craig Trader
Your explanation that it is a result of a design problem is probably the best answer I could get. I am fairly compulsive with defensive coding and have managed to get rid of most of these errors after fixing my habits over time. The remaining ones just tweak me to no end, and lead me to posting this question to the community.
Thanks for everyone's suggestions.
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