ASP.NET

var webSockets = new  WebSocket("wss://xxx.com//Racer.HTML5/WSHandlerCall));
if (webSockets != null) {
webSockets.onopen = function () {
alert('Connection open');
}

----Web.config------

<configuration>
  <connectionStrings>
    <add name="ApplicationServices"
         connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|\aspnetdb.mdf;User Instance=true"
         providerName="System.Data.SqlClient" />
  </connectionStrings>
  <system.web>
    <compilation debug="true" targetFramework="4.0" />
    <authentication mode="Forms">
      <forms loginUrl="~/Account/Login.aspx" timeout="2880" />
    </authentication>
    <authorization>
      <deny users="?" />
    </authorization>
  </system.web>
  <system.webServer>
     <modules runAllManagedModulesForAllRequests="true"/>
  </system.webServer>
</configuration>

@{ ViewBag.Title = "AJAX Monthly Event Calendar for ASP.NET MVC"; }

<h2>ADE R and T Event Calendar</h2>

<script src="@Url.Content("~/Scripts/DayPilot/daypilot-all.min.js")" type="text/javascript"></script>

@Html.DayPilotMonth("dp", new DayPilotMonthConfig
{
    BackendUrl = Url.Content("~/Home/Backend"),
    EventMoveHandling = DayPilot.Web.Mvc.Events.Month.EventMoveHandlingType.CallBack,
    EventResizeHandling = DayPilot.Web.Mvc.Events.Month.EventResizeHandlingType.CallBack,
    TimeRangeSelectedHandling = DayPilot.Web.Mvc.Events.Month.TimeRangeSelectedHandlingType.JavaScript,
    TimeRangeSelectedJavaScript = "dp.timeRangeSelectedCallBack(start, end, { name: prompt('New Event Name:', 'New Event') });"
})

using System;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using DayPilot.Web.Mvc;
using DayPilot.Web.Mvc.Events.Month;

namespace Calendar1.Controllers
{
 public class HomeController : Controller
  {
    public ActionResult Index()
    {
      return View();
    }

    public ActionResult Backend()
    {
      return new Dpm().CallBack(this);
    }

    class Dpm : DayPilotMonth
    {
 protected override void OnInit(InitArgs e)
      {
        var dbo = new DataClasses1DataContext();
        Events = from ev in dbo.events select ev;

        DataIdField = "EventID";
        DataTextField = "EventText";
        DataStartField = "EventStart";
        DataEndField = "EventEnd";
        Update();
      }
 protected override void OnEventMove(EventMoveArgs e)
 {
        var dbo = new DataClasses1DataContext();
        Events = from ev in dbo.events select ev;

     var toBeResized = (from ev in dbo.events where ev.EventID == Convert.ToInt32(e.Id) select ev).First();
     toBeResized.EventStart = e.NewStart;
     toBeResized.EventEnd = e.NewEnd;
     dbo.SubmitChanges();
     Update();
 }
 protected override void OnEventResize(EventResizeArgs e)
 {
     var dbo = new DataClasses1DataContext();
     Events = from ev in dbo.events select ev;

     var toBeResized = (from ev in dbo.events where ev.EventID == Convert.ToInt32(e.Id) select ev).First();
     toBeResized.EventStart = e.NewStart;
     toBeResized.EventEnd = e.NewEnd;
     dbo.SubmitChanges();
     Update();
 }
 protected override void OnTimeRangeSelected(TimeRangeSelectedArgs e)
 {
     var dbo = new DataClasses1DataContext();
     Events = from ev in dbo.events select ev;

     var toBeCreated = new Event { EventStart = e.Start, EventEnd = e.End, text = (string)e.Data["name"] };
     dbo.events.InsertOnSubmit(toBeCreated);
     dbo.SubmitChanges();
     Update();
 }

 public object toBeCreated { get; set; }
    }
    }
  }

<?xml version="1.0"?>

<configuration>
  <configSections>
    <sectionGroup name="system.web.webPages.razor" type="System.Web.WebPages.Razor.Configuration.RazorWebSectionGroup, System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
      <section name="host" type="System.Web.WebPages.Razor.Configuration.HostSection, System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
      <section name="pages" type="System.Web.WebPages.Razor.Configuration.RazorPagesSection, System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" />
    </sectionGroup>
  </configSections>

  <system.web.webPages.razor>
    <host factoryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=5.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
    <pages pageBaseType="System.Web.Mvc.WebViewPage">
      <namespaces>
        <add namespace="DayPilot.Web.Mvc"/>
        <add namespace="System.Web.Mvc" />
        <add namespace="System.Web.Mvc.Ajax" />
        <add namespace="System.Web.Mvc.Html" />
        <add namespace="System.Web.Optimization"/>
        <add namespace="System.Web.Routing" />
        <add namespace="Calendar1" />
      </namespaces>
    </pages>
  </system.web.webPages.razor>

  <appSettings>
    <add key="webpages:Enabled" value="false" />
  </appSettings>

  <system.webServer>
    <handlers>
      <remove name="BlockViewHandler"/>
      <add name="BlockViewHandler" path="*" verb="*" preCondition="integratedMode" type="System.Web.HttpNotFoundHandler" />
    </handlers>
  </system.webServer>
</configuration>