HI
I have 2 radiobutton list in my page when I didn't select item from radiobuttonlist it make below error
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 834:
Line 835: string RBLsh = RBL2.SelectedItem.Value;
Line 836: string RBLgh = RBL1.SelectedItem.Value; |
so what should I do?
Best Regards.