From a versioning perspective, what are the drawbacks of extending an interface as opposed to extending a class?


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Hello Friends..am Mohammed riyash..final year BCA in Jamal Mohamed College 2009. Trichy. My doubt is while connecting SQL2005 Built in Database withing the Visual Studio 2005 Framework.. I am getting the error.. That " An Error occurred and it may be due to , under the default settings of the Server, the connection cannot be established.." But the code works in MS Access for me.. Both in VB.Net and C#.Net am getting the same error.. Any genius please Message me to 9994558822 or mail me.. riyash.ips@gmail.com

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