asp.net - how to create multiple directory in web services using json? -

i m trying create multiple directory using json. how in asp.net . connection class make mathod of jsonspselect . m using multiple root directory in asp.net

[webmethod]     public string getpropsubtype()     {         try         {             objutl = new clsutility();             json_out = objutl.jsonspselect("lspw_propsubtype ");         }         catch (exception e)         {             json_out = "server error";         }                 {          }         //string json = "{\"name\":\"joe\"}";         //response.clear();         //response.contenttype = "application/json; charset=utf-8";         //response.write(json_out);         //response.end();         context.response.clear();         context.response.contenttype = "application/json; charset=utf-8";         context.response.output.write(json_out);         context.response.end();         return json_out;      }