CS0433: 类型“News”同时存在于“c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\1dfb04d1\ee63de61\ass
CS0433: 类型“News”同时存在于“c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\1dfb04d1\ee63de61\assembly\dl3\112f23db\10159722_e286c701\App_Code.DLL”和“c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\1dfb04d1\ee63de61\assembly\dl3\049c52a5\2017dd28_e286c701\App_Web_news.aspx.cdcab7d2.DLL”中
怎么办?