Common/JsonHelper.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Reflection;

namespace Common
{
    public static class JsonHelper
    {
        public static string DataTableToJson(DataTable dt)
        {
            StringBuilder JsonString = new StringBuilder();
            //Exception Handling            
            if (dt != null && dt.Rows.Count > 0)
            {
                JsonString.Append("{\"totalCount\":" + dt.Rows.Count.ToString() + ",");
                JsonString.Append("\"JsonData\":[");
                for (int i = 0; i < dt.Rows.Count; i++)
                {
                    JsonString.Append("{");
                    for (int j = 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("]}"); return JsonString.ToString();
            }
            else { return null; }
        }


        public static string ListDataToJson<T>(bool isHasJsonData, IList<T> list, List<string> generateJson)
        {
            StringBuilder Json = new StringBuilder();

            if (list != null && list.Count > 0)
            {
                if (isHasJsonData)
                {
                    Json.Append("{\"totalCount\":" + list.Count.ToString() + ",");
                    Json.Append("\"JsonData\":[");
                }
                else
                {
                    Json.Append("[");
                }