TIWCGJQGridOptions.OnSerializeGridData Property
If set this event can serialize the data passed to the ajax request. The function should return the serialized data. This event can be used when a custom data should be passed to the server - e.g - JSON string, XML string and etc. To this event we pass the postData array.
published property OnSerializeGridData: TIWCGJSonFunc index 103 read GetFuncValue write SetFuncValue stored IsFuncStored;