Could not load file or assembly 'Oracle.ManagedDataAccessDTC.DLL' or one of its dependencies. Could not load file or assembly 'Oracle.ManagedDataAccessDTC.DLL' or one of its dependencies. 不是有效的 Win32 应用程序。 (Exception from HRESULT: 0x800700C1) 解决办法 : 安装oracle 12c 客户端