Free Trial Buy
    Your search did not match any results.
    Diagram

    Web API Service

    Note that the Diagram widget is in the community technology preview (CTP) development stage.

    This demo shows the Diagram widget loading data from a Web API service.

    See more Hide details
    Prev Demo Next Demo

    jQuery

    Angular

    Vue

    React

    ASP.NET Core

    ASP.NET MVC

    @(Html.DevExtreme().Diagram() .ID("diagram") .Nodes(ns => ns .DataSource(d => d.WebApi() .RouteName("DiagramEmployees") .LoadAction("Employees") .InsertAction("InsertEmployee") .UpdateAction("UpdateEmployee") .DeleteAction("DeleteEmployee") .Key("ID") .OnInserting("onInserting") ) .KeyExpr("ID") .TextExpr("Title") .ParentKeyExpr("HeadID") ) .Toolbox(t => t .Groups(g => g .Add().Category(DiagramShapeCategory.General).Title("General") ) ) ) <script type="text/javascript"> function onInserting(values) { values["ID"] = 0; values["HeadID"] = 0; values["Title"] = "New Position"; values["Prefix"] = "Mr"; values["FullName"] = "New Employee"; values["City"] = "LA"; values["State"] = "CA"; values["HireDate"] = new Date(); } </script>
    using System.Web.Mvc; using DevExtreme.MVC.Demos.Models.SampleData; namespace DevExtreme.MVC.Demos.Controllers { public class DiagramController : Controller { public ActionResult WebAPIService() { return View(); } } }
    #diagram { height: 725px; }