C # Entity to Json

usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingsystem.web;usingSystem.Data;usingSystem.Text;usingSystem.Web.Script.Serialization;/// <summary>///Summary description for Common/// </summary> Public classcommon{Private StaticJavaScriptSerializer JSS;  Public Static stringDatatabletojson (DataTable dt) {if(dt = =NULL|| Dt. Rows.Count = =0)            return ""; intLength =dt.        Rows.Count; StringBuilder Strbuild=NewStringBuilder (); Strbuild. Append ("[");//Convert to multiple model forms         for(inti =0; i < length; i++) {Strbuild. Append ("{");  for(intj =0; J < dt. Columns.count; J + +) {Strbuild. Append ("\""); Strbuild. Append (dt. COLUMNS[J].                ColumnName); Strbuild. Append ("\":\""); Strbuild. Append (dt. ROWS[I][J].                ToString ()); Strbuild. Append ("\","); } strbuild. Remove (Strbuild. Length-1,1); Strbuild. Append ("},"); } strbuild. Remove (Strbuild. Length-1,1); Strbuild. Append ("]"); returnStrbuild.    ToString (); }     Public Static stringEntitytojson (Objectobj) {        if(NULL==JSS) JSS=NewJavaScriptSerializer (); returnJSS.    Serialize (obj); }}

C # Entity to Json