ASP. NET DataSet query results converted to JSON format data

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Here's how: Public Static stringNulldata ="{\ "result\": \ "true\", \ "msg\": \ "no related data \"}"; #regionQuery results converted to JSON/// <summary>        ///query results converted to JSON/// </summary>        /// <param name= "DT" ></param>        /// <param name= "Count" ></param>        /// <returns></returns>         Public Static stringGetdatatojson (DataTable DT,intCount =0) {JavaScriptSerializer JSS=NewJavaScriptSerializer (); System.Collections.ArrayList DiC=NewSystem.Collections.ArrayList (); if(dt! =NULL&& dt. Rows.Count >0)            {                if(Count = =0) {Count=dt.                Rows.Count; }                foreach(DataRow Drinchdt. Rows) {System.Collections.Generic.Dictionary<string,Object> Drow =Newsystem.collections.generic.dictionary<string,Object>(); foreach(DataColumn DCinchdt. Columns) {//string dcvalue = Common.PageBase.delhtml (DR[DC. ColumnName]. ToString ());Drow. ADD (DC. ColumnName, DR[DC.                    ColumnName]); } dic.                ADD (drow); }                //bool result = true;                stringJsonstring =JSS.                Serialize (DIC); stringp =@"\\/date\ ((\d+) \) \\/"; MatchEvaluator MatchEvaluator=NewMatchEvaluator (convertjsondatetodatestring); //matchevaluator img_urlevaluator = new MatchEvaluator (getimgurl);Regex reg =NewRegex (P); //regex img_url = new Regex ("src=\\\\\" (. *?)                \""); //regex img_url = new Regex ("Src=\" (. *?) \"");Jsonstring =Reg.                Replace (jsonstring, MatchEvaluator); //jsonstring = Img_url. Replace (jsonstring, img_urlevaluator);                return "{\ "result\": \ "True\""+","+"\ "Rows\":"+ Count +","+"\ "msg\":"+ jsonstring +"}"; }            Else            {                returnNulldata; }        }        #endregion        /// <summary>        ///Convert JSON serialized time from/date (1294499956278+0800) to string/// </summary>        /// <param name= "M" ></param>        /// <returns></returns>        Private Static stringconvertjsondatetodatestring (Match m) {stringresult =string.            Empty; DateTime DT=NewDateTime (1970,1,1); DT= dt. Addmilliseconds (Long. Parse (m.groups[1].            Value)); DT=dt.            ToLocalTime (); Result= dt. ToString ("YYYY-MM-DD HH:mm:ss"); returnresult; }         Public stringCreatejsonparameters (DataTable DT,intCount =0)        {            if(dt = =NULL|| Dt. Rows.Count = =0)            {                returnNulldata; }            if(Count = =0) {Count=dt.            Rows.Count; }            BOOLresult =true; StringBuilder jsonstring=NewStringBuilder (); //Exception Handling            if(dt! =NULL&& dt. Rows.Count >0) {jsonstring.append ("{ "); Jsonstring.append ("\ "Result\":"+ result +","+"rows:"+ Count +","+"msg:[");  for(inti =0; i < dt. Rows.Count; i++) {jsonstring.append ("{ ");  for(intj =0; J < dt. Columns.count; J + +)                    {                        if(J < dt. Columns.count-1) {jsonstring.append ("\""+ dt. COLUMNS[J]. Columnname.tostring () +"\":"+"\""+ dt. ROWS[I][J]. ToString () +"\","); }                        Else if(j = = dt. Columns.count-1) {jsonstring.append ("\""+ dt. COLUMNS[J]. Columnname.tostring () +"\":"+"\""+ dt. ROWS[I][J]. ToString () +"\""); }                    }                    /*End of String*/                    if(i = = dt. Rows.Count-1) {jsonstring.append ("} "); }                    Else{jsonstring.append ("}, "); }} jsonstring.append ("]}"); returnjsonstring.tostring (); }            Else            {                return NULL; }        }

ASP. NET DataSet query results converted to JSON format data