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I was expecting a solution from your side but i &nbsp;thing it is waste to ask questions because no one is giving proper answers and sending to the sites'url which is not a better way.<br />
I have queried about 5 questions but i have not got any one's answer just a got a story for all the questions.........<br />
It's waste to effort the time as well as money on &nbsp;this site to &nbsp;get answers ithought that most &nbsp;probably this site willl be helpful for &nbsp;me but no ..................
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I was expecting a solution from your side but i  thing it is waste to ask questions because no one is giving proper answers and sending to the sites'url which is not a better way.
I have queried about 5 questions but i have not got any one's answer just a got a story for all the questions.........
It's waste to effort the time as well as money on  this site to  get answers ithought that most  probably this site willl be helpful for  me but no ..................

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There are some good articles on internet about interfaces and abstract classes aimed on beginners. Please find some:<br />
<br />
<a href="http://www.codeproject.com/KB/cs/abstractsvsinterfaces.aspx" rel="ugc">http://www.codeproject.com/KB/cs/abstractsvsinterfaces.aspx</a><br />
<br />
and <br />
<br />
<a href="http://en.csharp-online.net/Should_I_use_an_abstract_class_or_an_interface%3F" rel="ugc">http://en.csharp-online.net/Should_I_use_an_abstract_class_or_an_interface%3F</a><br />
<a href="http://geekswithblogs.net/mahesh/archive/2006/07/05/84120.aspx" rel="ugc">http://geekswithblogs.net/mahesh/archive/2006/07/05/84120.aspx</a><br />
<br />
The first one has some code samples useful for understanding. Please read it - it's a good one.
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There are some good articles on internet about interfaces and abstract classes aimed on beginners. Please find some:

http://www.codeproject.com/KB/cs/abstractsvsinterfaces.aspx [http://www.codeproject.com/KB/cs/abstractsvsinterfaces.aspx]

and

http://en.csharp-online.net/Should_I_use_an_abstract_class_or_an_interface%3F [http://en.csharp-online.net/Should_I_use_an_abstract_class_or_an_interface%3F]
http://geekswithblogs.net/mahesh/archive/2006/07/05/84120.aspx [http://geekswithblogs.net/mahesh/archive/2006/07/05/84120.aspx]

The first one has some code samples useful for understanding. Please read it - it's a good one.

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Exactly what could be the possible scenarions when we should make interface and when we shold go for abstract classes?
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Exactly what could be the possible scenarions when we should make interface and when we shold go for abstract classes?

OOPS: interface vs abstract

C# is an object-oriented programming language created in conjunction with Microsoft’s .NET framework. Compilation is usually done into the Microsoft Intermediate Language (MSIL), which is then JIT-compiled to native code (and cached) during execution in the Common Language Runtime (CLR).