Server Error in '/' Application.

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Line 45:             catch (MySqlException ex)
Line 46:             {
Line 47:                 throw ex;
Line 48:             }
Line 49:         }

[SocketException (0x2747): 因為體系緩沖區空間缺乏或隊列已滿，不克不及履行套接字上的操作。]
   System.Net.Sockets.Socket.DoBind(EndPoint endPointSnapshot, SocketAddress socketAddress) +6124598
   System.Net.Sockets.Socket.InternalBind(EndPoint localEP) +99
   System.Net.Sockets.Socket.BeginConnectEx(EndPoint remoteEP, Boolean flowContext, AsyncCallback callback, Object state) +210
   System.Net.Sockets.Socket.BeginConnect(EndPoint remoteEP, AsyncCallback callback, Object state) +206
   MySql.Data.Common.StreamCreator.CreateSocketStream(IPAddress ip, Boolean unix) +168
   MySql.Data.Common.StreamCreator.GetStream(UInt32 timeout) +341
   MySql.Data.MySqlClient.NativeDriver.Open() +176

[MySqlException (0x80004005): Unable to connect to any of the specified MySQL hosts.]
   DataBase.Open() in d:\web\sqgdgc.com\App_Code\DataBase.cs:47
   DataBase.CreateDataAdaper(String procName, MySqlParameter[] prams) in d:\web\sqgdgc.com\App_Code\DataBase.cs:314
   DataBase.RunProcReturn(String procName, String tbName) in d:\web\sqgdgc.com\App_Code\DataBase.cs:286
   Operation.SelectAllZTAll(String tbname, String tj, String tj1) in d:\web\sqgdgc.com\App_Code\Operation.cs:1143
   About.Page_Load(Object sender, EventArgs e) in d:\web\sqgdgc.com\About.aspx.cs:62
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
   System.Web.UI.Control.OnLoad(EventArgs e) +91
   System.Web.UI.Control.LoadRecursive() +74
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2207