How to set max length to JsonConvert.SerializeObject();

Question

I am trying to set Maxlength property to : JsonConvert.SerializeObject()

 I am using  Json.Net DLL.

 

string JSON = JsonConvert.SerializeObject(DataTable Obj);

 

but when I pass large amount of data filled in DataTable object the database table row cell contains 43679 characters. Not more than that.

 

I am not using JavaScriptSerializer and StringBuilder

Can you help me please.