求解一个冲突的问题```高手请进
IVP 2007-06-20 04:14:30 “c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\lehangoa\a79a6b5a\11a91ae2\App_Web_oszhux2c.42.cs”中的类型“???”与“c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\lehangoa\a79a6b5a\11a91ae2\assembly\dl3\91d2eeb4\00f86dc4_08b3c701\???.DLL”中的导入类型“???”冲突。将使用“c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\lehangoa\a79a6b5a\11a91ae2\App_Web_oszhux2c.42.cs”中的类型。