upload web site that use linq to sql

Question

hi  firends
i write a web site that use linq instead of Ado.net.in linq i used stored procedures.i publish my code and upload it.but it has below error .
The type 'DataClassesDataContext' exists in both 'c:\windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\9617a12a\bf0fdcb7\App_Code.txkpkgms.dll' and 'c:\windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\9617a12a\bf0fdcb7\assembly\dl3\5d858610\002e7f17_d142cb01\App_Code.DLL'
how can i upload  web site  with linq without error? please help me.