How To Fix Circular Reference Error When Dealing With Json

Question

This question is a part of my original post here Get Data Into Extjs GridPanel

Below is my Controller that reads data from sql db and then I am trying to encode the

Answer 1

It's because something inside CultureInfo has a reference to itself (this type) and in process of converting to JSON it fails. To avoid this situation, you should use ViewModels (return to client only information that is needed). You can read more here http://blogs.msdn.com/b/dphill/archive/2009/01/31/the-viewmodel-pattern.aspx

In your situation you shoud create ViewModels for your data, convert your data to these data types and return them converted to JSON. For the purpose of converting from Model to ViewModel consider using AutoMapper http://automapper.codeplex.com/ or some similar tool.