怎么回事啊，总出现这个问题，特别是正常访问后，要不了多长时间就出现这个？
Server Error in '/' Application.
--------------------------------------------------------------------------------
The remote server returned an error: (500) Internal Server Error.
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.WebException: The remote server returned an error: (500) Internal Server Error.
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:
[WebException: The remote server returned an error: (500) Internal Server Error.]
System.Net.HttpWebRequest.GetResponse() +1501931
PageAdmin.master_login.xd9dc40336cb754b6() +1939
PageAdmin.master_login.x0c10d87f1cc88e3b() +291
PageAdmin.master_login.x303150620dddbc01() +101
PageAdmin.master_login.x4b531208dfadf445() +144
PageAdmin.master_login.xb99c27096be25a53() +34
PageAdmin.master_login.Page_Load(Object src, EventArgs e) +111
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +15
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +34
System.Web.UI.Control.OnLoad(EventArgs e) +99
System.Web.UI.Control.LoadRecursive() +47
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1061
--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.42
