TList, DataTable to Json

         Public Static stringObj2json<t>(T data) {Try{System.Runtime.Serialization.Json.DataContractJsonSerializer Serializer=NewSystem.Runtime.Serialization.Json.DataContractJsonSerializer (data.                GetType ()); using(MemoryStream ms =NewMemoryStream ()) {Serializer.                    WriteObject (MS, data); returnEncoding.UTF8.GetString (Ms.                ToArray ()); }            }            Catch            {                return NULL; }        }

         Public StaticObject json2obj (String json,type t) {Try{System.Runtime.Serialization.Json.DataContractJsonSerializer Serializer=NewSystem.Runtime.Serialization.Json.DataContractJsonSerializer (t); using(MemoryStream ms =NewMemoryStream (Encoding.UTF8.GetBytes (JSON))) {                                       returnSerializer.                ReadObject (MS); }            }            Catch            {                return NULL; }        }

         Public Static stringDatatable2json (DataTable dt) {if(dt. Rows.Count = =0)            {                return ""; } StringBuilder Jsonbuilder=NewStringBuilder (); //Jsonbuilder.append ("{"); //jsonbuilder.append (dt.  Tablename.tostring ()); Jsonbuilder.append ("[");//Convert to multiple model forms             for(inti =0; i < dt. Rows.Count; i++) {jsonbuilder.append ("{");  for(intj =0; J < dt. Columns.count; J + +) {jsonbuilder.append ("\""); Jsonbuilder.append (dt. COLUMNS[J].                    ColumnName); Jsonbuilder.append ("\":\""); Jsonbuilder.append (dt. ROWS[I][J].                    ToString ()); Jsonbuilder.append ("\","); } jsonbuilder.remove (Jsonbuilder.length-1,1); Jsonbuilder.append ("},"); } jsonbuilder.remove (Jsonbuilder.length-1,1); Jsonbuilder.append ("]"); //jsonbuilder.append ("}");            returnjsonbuilder.tostring (); }

TList, DataTable to Json