I have a table that I am reading from a database and one of the columns contains Json Data all of which I am passing to the Grid. The content displays in the Grid. However, I receive the following error message when trying to export the Grid to Excel:
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.