Converts an object to a JSON string.
Assembly: System.Web.Extensions (in System.Web.Extensions.dll)
The resulting JSON string exceeds the value of MaxJsonLength.
obj contains a circular reference. A circular reference occurs when a child object has a reference to a parent object, and the parent object has a reference to the child object.
The recursion limit defined by RecursionLimit was exceeded.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.