Object reference not set to an instance of an object.
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.NullReferenceException: Object reference not set to an instance of an object.
Source Error:
Line 468: if (Session["countmessage"] != null)
Line 469: {
Line 470: Session["countmessage"] = CountMessage.Count().ToString();
Line 471: }
Line 472: else
This error returns after 3-5-10-15 minutes depends as random, maybe never maybe after 3-5-10-15 minutes
how can i resolve this problem?
I have StateServer but still not working.
Please help
Go to the complete details ...