请教：后台登录出现问题 [复制链接]

Server Error in '/' Application.
--------------------------------------------------------------------------------

套接字操作尝试一个无法连接的主机。 x.x.x.x0
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Net.Sockets.SocketException: 套接字操作尝试一个无法连接的主机。 x.x.x.x0

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.  

Stack Trace:


[SocketException (0x2751): 套接字操作尝试一个无法连接的主机。 x.x.x.x0]
   System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress) +239
    .........

--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:2.0.50727.3625; ASP.NET Version:2.0.50727.3618