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Frequently change in requirements, tight delivery deadline and complex application architecture slow down web applications development and encourage code cloning. Web application frameworks mainly support developers to speed up development by providing libraries for database access, session management, and they often promote code reuse. In this paper, we provide a systematic study of cloning in six (6) Web Applications of different sizes, developed using Classic ASP.NET and ASP.NET MVC framework to find out whether there is any relation between frameworks and code cloning. The contribution of our study is: 1) the study results shows which framework in .NET technology can be chosen to avoid cloning in development of web application; 2) the cloning metrics that we have calculated and applied in our study may be useful in other similar studies.