JavaScript/jQuery Scheduler - Web API Service

To access a Web API service from the client, use the createStore method which is part of the DevExtreme.AspNet.Data extension. This extension also allows you to process data for DevExtreme components on the server. The server-side implementation is available under the SchedulerDataController.cs tab in the ASP.NET MVC version of this demo.

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Backend API

$(() => { const url = 'https://js.devexpress.com/Demos/Mvc/api/SchedulerData'; $('#scheduler').dxScheduler({ timeZone: 'America/Los_Angeles', dataSource: DevExpress.data.AspNet.createStore({ key: 'AppointmentId', loadUrl: `${url}/Get`, insertUrl: `${url}/Post`, updateUrl: `${url}/Put`, deleteUrl: `${url}/Delete`, onBeforeSend(method, ajaxOptions) { ajaxOptions.xhrFields = { withCredentials: true }; }, }), remoteFiltering: true, dateSerializationFormat: 'yyyy-MM-ddTHH:mm:ssZ', views: ['day', 'workWeek', 'month'], currentView: 'day', currentDate: new Date(2021, 3, 27), startDayHour: 9, endDayHour: 19, height: 600, textExpr: 'Text', startDateExpr: 'StartDate', endDateExpr: 'EndDate', allDayExpr: 'AllDay', }); });

<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml" lang="en"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" /> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/24.2.3/css/dx.light.css" /> <script src="js/dx.all.js"></script> <script src="https://unpkg.com/devextreme-aspnet-data@5.0.0-rc1/js/dx.aspnet.data.js"></script> <script src="index.js"></script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="scheduler"></div> </div> </body> </html>

using DevExtreme.AspNet.Data; using DevExtreme.AspNet.Mvc; using DevExtreme.MVC.Demos.Models; using Newtonsoft.Json; using System; using System.Collections.Generic; using System.Linq; using System.Net; using System.Net.Http; using System.Net.Http.Formatting; using System.Web.Http; namespace DevExtreme.MVC.Demos.Controllers.ApiControllers { public class SchedulerDataController : ApiController { InMemoryAppointmentsDataContext _data = new InMemoryAppointmentsDataContext(); [HttpGet] public HttpResponseMessage Get(DataSourceLoadOptions loadOptions) { return Request.CreateResponse(DataSourceLoader.Load(_data.Appointments, loadOptions)); } [HttpPost] public HttpResponseMessage Post(FormDataCollection form) { var values = form.Get("values"); var newAppointment = new Appointment(); JsonConvert.PopulateObject(values, newAppointment); Validate(newAppointment); if(!ModelState.IsValid) return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState.GetFullErrorMessage()); _data.Appointments.Add(newAppointment); _data.SaveChanges(); return Request.CreateResponse(HttpStatusCode.Created); } [HttpPut] public HttpResponseMessage Put(FormDataCollection form) { var key = Convert.ToInt32(form.Get("key")); var values = form.Get("values"); var appointment = _data.Appointments.First(a => a.AppointmentId == key); JsonConvert.PopulateObject(values, appointment); Validate(appointment); if(!ModelState.IsValid) return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState.GetFullErrorMessage()); _data.SaveChanges(); return Request.CreateResponse(HttpStatusCode.OK); } [HttpDelete] public void Delete(FormDataCollection form) { var key = Convert.ToInt32(form.Get("key")); var appointment = _data.Appointments.First(a => a.AppointmentId == key); _data.Appointments.Remove(appointment); _data.SaveChanges(); } } }

A 1-Click Solution for CRUD Web API Services with Role-based Access Control via EF Core

If you target .NET for your backend API, be sure to check out Web API Service and register your free copy today. The Solution Wizard scaffolds an OData v4 Web API Service (.NET 6+) with integrated authorization & CRUD operations powered by EF Core ORM. You can use OAuth2, JWT or custom authentication strategies alongside tools like Postman or Swagger (OpenAPI) for API testing. The built-in Web API Service also filters out secured server data based on permissions granted to users. Advanced/enterprise functions include audit trail, endpoints to download reports, file attachments, check validation, obtain localized captions, etc.

To use the free Solution Wizard (which creates the Web API Service), run the Universal Component Installer from the DevExpress Download Manager and use our predefined template in Visual Studio 2022+.

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