Entity to json error - A circular reference was detected while serializing an object of type

Question

Following error occurred when trying to convert entity object into JSON String. I\'m using C# MVC4 with code first DB designing. It seams its because FKs and relationships b

Answer 1

I was having the same issue, what I have done is have passed only needed column to view , In my my case. only 2.

List lstSubCategory = GetSubCateroy() // list from repo

 var subCategoryToReturn = lstSubCategory.Select(S => new { Id  = S.Id, Name = S.Name }); 

return this.Json(subCategoryToReturn , JsonRequestBehavior.AllowGet);

Circular reference detected exception while serializing object to JSON