I have some control . i am using control's value for Query String then i am getting this 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 195: {
Line 196:
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