COMET (or Reverse AJAX) based Grid Control for ASP.NET Web Applications - Scalable, High Performance and Low Latency Grid Control

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Threading;
using System.Drawing;

namespace Test
{
    public partial class _Default : System.Web.UI.Page
    {
        Thread thValue, thValue1;

        static Random randomNo = new Random();

        protected void Page_Load(object sender, EventArgs e)
        {
            GridControlCometAjax1.LoadControl(this);
            GridControlCometAjax2.LoadControl(this);
            this.Title = "Sample: COMET based GridControlCometAjax Custom Control.  This is ASP.Net based custom control.";
            thValue = new Thread(new ThreadStart(ThreadProc));

            thValue1 = new Thread(new ThreadStart(ThreadProc1));
            thValue1.Start();
            thValue.Start();
        }

        private void ThreadProc()
        {
            int RandSleep = 1000;
            int RowToModify = 2;
            int ColToModify = 2;
            double ValueToModify = 45.12;
            double PrevValueToModify = 45.12;

            int RowToModify1 = 2;
            int ColToModify1 = 4;
            double ValueToModify1 = 45.12;
            double PrevValueToModify1 = 45.12;

            for (int Rowitem = 0; Rowitem < 5; Rowitem++)
            {
                for (int ColItem = 0; ColItem < 5; ColItem++)
                {
                    ValueToModify = randomNo.NextDouble();
                    GridControlCometAjax1.DynModifyTableItem(Rowitem, ColItem, ValueToModify.ToString("N2"), false);
                    GridControlCometAjax1.DynModifyTableItemColor(Rowitem, ColItem, Color.Black, false);
                }
            }
            GridControlCometAjax1.DynUpdateAllClients();

            while (true)
            {
                Thread.Sleep(RandSleep);

                GridControlCometAjax1.DynModifyTableItem(RowToModify, ColToModify, ValueToModify.ToString("N2"), false);

                if (PrevValueToModify < ValueToModify)
                {
                    GridControlCometAjax1.DynModifyTableItemColor(RowToModify, ColToModify, Color.DarkGreen, false);
                }
                else
                {
                    GridControlCometAjax1.DynModifyTableItemColor(RowToModify, ColToModify, Color.Red, false);
                }

                GridControlCometAjax1.DynModifyTableItem(RowToModify1, ColToModify1, ValueToModify1.ToString("N2"), false);

                if (PrevValueToModify1 < ValueToModify1)
                {
                    GridControlCometAjax1.DynModifyTableItemColor(RowToModify1, ColToModify1, Color.DarkGreen, false);
                }
                else
                {
                    GridControlCometAjax1.DynModifyTableItemColor(RowToModify1, ColToModify1, Color.Red, false);
                }
                GridControlCometAjax1.DynUpdateAllClients();

                RandSleep = randomNo.Next(1800);
                RowToModify = randomNo.Next(5);
                ColToModify = randomNo.Next(5);
                PrevValueToModify1 = ValueToModify1 ;
                PrevValueToModify = ValueToModify;
                ValueToModify = randomNo.NextDouble() * 100.0;

                RowToModify1 = randomNo.Next(5);
                ColToModify1 = randomNo.Next(5);
                ValueToModify1 = randomNo.NextDouble() * 100.0;
            }

        }
        private void ThreadProc1()
        {
            int RandSleep = 1000;
            int RowToModify = 2;
            int ColToModify = 2;
            double ValueToModify = 45.12;
            double PrevValueToModify = 45.12;

            int RowToModify1 = 2;
            int ColToModify1 = 4;
            double ValueToModify1 = 45.12;
            double PrevValueToModify1 = 45.12;

            int RowToModify2 = 2;
            int ColToModify2 = 4;
            double ValueToModify2 = 45.12;
            double PrevValueToModify2 = 45.12;


            for (int Rowitem = 0; Rowitem < 5; Rowitem++)
            {
                for (int ColItem = 0; ColItem < 5; ColItem++)
                {
                    ValueToModify = randomNo.NextDouble();
                    GridControlCometAjax2.DynModifyTableItem(Rowitem, ColItem, ValueToModify.ToString("N2"), false);
                    GridControlCometAjax2.DynModifyTableItemColor(Rowitem, ColItem, Color.Black, false);
                }
            }
            GridControlCometAjax1.DynUpdateAllClients();

            while (true)
            {
                Thread.Sleep(RandSleep);

                GridControlCometAjax2.DynModifyTableItem(RowToModify, ColToModify, ValueToModify.ToString("N2"), false);

                if (PrevValueToModify < ValueToModify)
                {
                    GridControlCometAjax2.DynModifyTableItemColor(RowToModify, ColToModify, Color.DarkGreen, false);
                }
                else
                {
                    GridControlCometAjax2.DynModifyTableItemColor(RowToModify, ColToModify, Color.Red, false);
                }

                GridControlCometAjax2.DynModifyTableItem(RowToModify1, ColToModify1, ValueToModify1.ToString("N2"), false);

                if (PrevValueToModify1 < ValueToModify1)
                {
                    GridControlCometAjax2.DynModifyTableItemColor(RowToModify1, ColToModify1, Color.DarkGreen, false);
                }
                else
                {
                    GridControlCometAjax2.DynModifyTableItemColor(RowToModify1, ColToModify1, Color.Red, false);
                }

                GridControlCometAjax2.DynModifyTableItem(RowToModify2, ColToModify2, ValueToModify1.ToString("N2"), false);

                if (PrevValueToModify1 < ValueToModify1)
                {
                    GridControlCometAjax2.DynModifyTableItemColor(RowToModify2, ColToModify2, Color.DarkGreen, false);
                }
                else
                {
                    GridControlCometAjax2.DynModifyTableItemColor(RowToModify2, ColToModify2, Color.Red, false);
                }

                GridControlCometAjax2.DynUpdateAllClients();

                RandSleep = randomNo.Next(1500);
                RowToModify = randomNo.Next(5);
                ColToModify = randomNo.Next(5);
                PrevValueToModify1 = ValueToModify1;
                PrevValueToModify2 = ValueToModify2;
                PrevValueToModify = ValueToModify;
                ValueToModify = randomNo.NextDouble() * 100.0;

                RowToModify1 = randomNo.Next(5);
                ColToModify1 = randomNo.Next(5);
                ValueToModify1 = randomNo.NextDouble() * 100.0;

                RowToModify2 = randomNo.Next(5);
                ColToModify2 = randomNo.Next(5);
                ValueToModify2 = randomNo.NextDouble() * 100.0;

            }

        }
    }
}