“/”应用程序中的服务器错误。

The database 'E:\WEBROOT\GS_财大统战部\APP_DATA\YNCYTZB.MDF' cannot be opened because it is version 655. This server supports version 611 and earlier. A downgrade path is not supported.Could not open new database 'E:\WEBROOT\GS_财大统战部\APP_DATA\YNCYTZB.MDF'. CREATE DATABASE is aborted.An attempt to attach an auto-named database for file E:\WebRoot\Gs_财大统战部\App_Data\YnCyTzb.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share.
说明: 执行当前 Web 请求期间，出现未处理的异常。请检查堆栈跟踪信息，以了解有关该错误以及代码中导致错误的出处的详细信息。
异常详细信息: System.Data.SqlClient.SqlException: The database 'E:\WEBROOT\GS_财大统战部\APP_DATA\YNCYTZB.MDF' cannot be opened because it is version 655. This server supports version 611 and earlier. A downgrade path is not supported.Could not open new database 'E:\WEBROOT\GS_财大统战部\APP_DATA\YNCYTZB.MDF'. CREATE DATABASE is aborted.An attempt to attach an auto-named database for file E:\WebRoot\Gs_财大统战部\App_Data\YnCyTzb.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share.

源错误:
行 175:
行 176:            DataTable mytable = new DataTable();
行 177:            objAdapter.Fill(mytable);
行 178:            Con.Close();
行 179:            Con.Dispose();
源文件:  e:\WebRoot\Gs_财大统战部\App_Code\MxDAL.cs    行:  177
堆栈跟踪:
[SqlException (0x80131904): The database 'E:\WEBROOT\GS_财大统战部\APP_DATA\YNCYTZB.MDF' cannot be opened because it is version 655. This server supports version 611 and earlier. A downgrade path is not supported.
Could not open new database 'E:\WEBROOT\GS_财大统战部\APP_DATA\YNCYTZB.MDF'. CREATE DATABASE is aborted.
An attempt to attach an auto-named database for file E:\WebRoot\Gs_财大统战部\App_Data\YnCyTzb.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share.]
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +735075
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +188
System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +1838
System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK) +33
System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +628
System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +170
System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +359
System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnecti