connection that was expected to be kept alive was closed by the server in asp.net

[Rikku_Fantasia]

When i try to rediredt to next page,I am getting below errorNote: \[code\]Even the connection is open and it is fine.\[/code\]The underlying connection was closed: A connection that was expected to be kept alive was closed by the server.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 underlying connection was closed: A connection that was expected to be kept alive was closed by the server.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:\[code\][WebException: The underlying connection was closed: A connection that was expected to be kept alive was closed by the server.] Effrtpartsigndone.Page_Load(Object sender, EventArgs e) +8196 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\[/code\]Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.272