How to set up JOSN string transfer

code show as below

New new SW = the StringWriter the StringWriter ();
the using (JSONWriter JW = new new JsonTextWriter (SW))
{
      　JW.Formatting = Formatting.Indented;
  　　 //JW.WriteStartArray (); // this is a start symbol set
　　   //JW.WriteEndArray (); // this is the end for the collection of symbols
　　   JW.WriteStartObject (); // this is an object start symbol
　　   JW.WritePropertyName ( "merchantId"); // json field names
　　   JW.WriteValue (merchantId); / / JSON corresponding data fields

　　   JW.WritePropertyName("TransType");
　　   JW.WriteValue("");

　　   JW.WritePropertyName("ClientId");
　　   JW.WriteValue("");

　　   JW.WritePropertyName("StoreId");  
　　   JW.WriteValue("");

　　   JW.WritePropertyName("StartTransDateTime");
　　   JW.WriteValue(DateTime.Now.AddMonths(-3).ToString("yyyy/MM/dd HH:mm:ss"));

　　   JW.WritePropertyName("EndTransDateTime");
　　   JW.WriteValue(DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss"));

　　   JW.WritePropertyName("ConsumerId");
　　   JW.WriteValue(model.member_id);

　　   JW.WriteEndObject (); // this is a start symbol object
　　   JW.Flush ();
　　   sw.Close ();
}

 Console.WriteLine(sw.GetStringBuilder().ToString() );

 

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