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.NET Forum / Languages / C# / April 2008Exception Type
Hello , I am defining a new attribute for validation purposes ,in case the validation of the object which has specific attribute not passing well which kind of exception should I throw? (kind of Ilegal state,is there an already defined format for it?) Thank you! > Hello , > I am defining a new attribute for validation purposes ,in case the [quoted text clipped - 4 lines] > > *** Sent via Developersdexhttp://www.developersdex.com*** Depends, you can create your own exception if you want. Take a look at the exceptions deriving from either Exception or ApplicationException to see if there is one that fits your case Thanks but the question is if there is any kind of already defined exception I should use in this case. > Thanks but the question is if there is any kind of already defined > exception I should use in this case. > > *** Sent via Developersdexhttp://www.developersdex.com*** Hum, Frankly I do not know. it would be nice to have a program that given a type you get all the derived types and/or what types implement it. Does anybody knows such a tool? > I am defining a new attribute for validation purposes ,in case the > validation of the object which has specific attribute not passing well > which kind of exception should I throw? (kind of Ilegal state,is there > an already defined format for it?) I'd look at ArgumentException. Though I'm not entirely clear from your post whether it actually is an argument you're testing; if it's not you might be better off creating your own derived Exception.  SignatureChris Crowther MBCS C# Developer RHD Research Ltd InvalidOperationException goes some of the way... Marc Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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