Diagram - Overview

DevExtreme ASP.NET Core Diagram is a visual interface for designing or modifying diagrams. This component includes over 40 resizable shapes that you can drag and drop onto a page. Shapes and connectors are highly customizable.

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Backend API

@(Html.DevExtreme().Diagram().ID("diagram")) <script type="text/javascript"> $(function () { $.ajax({ url: "@Url.Content("~/SampleData/diagram-flow.json")", dataType: "text", success: function(data) { $("#diagram").dxDiagram("instance").import(data); } }); }); </script>

using DevExtreme.NETCore.Demos.Models.SampleData; using Microsoft.AspNetCore.Mvc; namespace DevExtreme.NETCore.Demos.Controllers { public class DiagramController : Controller { public IActionResult Overview() { return View(); } } }

{ "page": { "width": 8391, "height": 11907, "pageWidth": 8391, "pageHeight": 11906, "pageLandscape": false, "gridSize": 180, "snapToGrid": true }, "connectors": [{ "key": "116", "points": [{ "x": 2160, "y": 1800 }, { "x": 2160, "y": 2340 } ], "zIndex": 0, "beginItemKey": "107", "beginConnectionPointIndex": 2, "endItemKey": "108", "endConnectionPointIndex": 0 }, { "key": "117", "points": [{ "x": 2160, "y": 3420 }, { "x": 2160, "y": 3960 } ], "zIndex": 0, "beginItemKey": "108", "beginConnectionPointIndex": 2, "endItemKey": "118", "endConnectionPointIndex": 0 }, { "key": "122", "points": [{ "x": 3420, "y": 4680 }, { "x": 5760, "y": 4680 } ], "zIndex": 0, "texts": { "0.45": "No" }, "beginItemKey": "118", "beginConnectionPointIndex": 1, "endItemKey": "121", "endConnectionPointIndex": 3 }, { "key": "123", "points": [{ "x": 6840, "y": 4140 }, { "x": 3420, "y": 2880 } ], "zIndex": 0, "beginItemKey": "121", "beginConnectionPointIndex": 0, "endItemKey": "108", "endConnectionPointIndex": 1 }, { "key": "126", "points": [{ "x": 3780, "y": 9180 }, { "x": 2880, "y": 10440 } ], "zIndex": 0, "texts": { "0.78": "A popular scenario?" }, "beginItemKey": "120", "beginConnectionPointIndex": 3, "endItemKey": "125", "endConnectionPointIndex": 0 }, { "key": "130", "points": [{ "x": 5220, "y": 9180 }, { "x": 6120, "y": 10440 } ], "zIndex": 0, "texts": { "0.77": "Missing info in\nthe documentation?" }, "beginItemKey": "120", "beginConnectionPointIndex": 1, "endItemKey": "127", "endConnectionPointIndex": 0 }, { "key": "132", "points": [{ "x": 2160, "y": 5400 }, { "x": 2160, "y": 6120 } ], "zIndex": 0, "texts": { "0.47": "Yes" }, "beginItemKey": "118", "beginConnectionPointIndex": 2, "endItemKey": "131", "endConnectionPointIndex": 0 }, { "key": "124", "points": [{ "x": 2160, "y": 7200 }, { "x": 4500, "y": 8820 } ], "zIndex": 0, "beginItemKey": "131", "beginConnectionPointIndex": 2, "endItemKey": "120", "endConnectionPointIndex": 0 }, { "key": "134", "points": [{ "x": 3420, "y": 6660 }, { "x": 5760, "y": 6660 } ], "zIndex": 0, "texts": { "0.5": "Need developer\nassistance?" }, "beginItemKey": "131", "beginConnectionPointIndex": 1, "endItemKey": "133", "endConnectionPointIndex": 3 }, { "key": "135", "points": [{ "x": 6840, "y": 7200 }, { "x": 4500, "y": 8820 } ], "zIndex": 0, "beginItemKey": "133", "beginConnectionPointIndex": 2, "endItemKey": "120", "endConnectionPointIndex": 0 } ], "shapes": [ { "key": "107", "type": "terminator", "text": "A new ticket", "x": 1440, "y": 1080, "width": 1440, "height": 720, "zIndex": 0 }, { "key": "108", "type": "process", "text": "Analyze\nthe issue", "x": 900, "y": 2340, "width": 2520, "height": 1080, "zIndex": 0 }, { "key": "118", "type": "decision", "text": "Do we have all\ninformation to\nwork with?", "x": 900, "y": 3960, "width": 2520, "height": 1440, "zIndex": 0 }, { "key": "120", "type": "terminator", "text": "Answered", "x": 3780, "y": 8640, "width": 1440, "height": 720, "zIndex": 0 }, { "key": "121", "type": "process", "text": "Request additional\ninformation or clarify\nthe scenario", "x": 5760, "y": 4140, "width": 2160, "height": 1080, "zIndex": 0 }, { "key": "125", "type": "process", "text": "Prepare an example in\nCode Central", "x": 1620, "y": 10440, "width": 2520, "height": 1080, "zIndex": 0 }, { "key": "127", "type": "process", "text": "Update the\ndocumentation", "x": 4860, "y": 10440, "width": 2520, "height": 1080, "zIndex": 0 }, { "key": "131", "type": "process", "text": "Process the\nticket", "x": 900, "y": 6120, "width": 2520, "height": 1080, "zIndex": 0 }, { "key": "133", "type": "process", "text": "Work with the\nR&D team", "x": 5760, "y": 6120, "width": 2160, "height": 1080, "zIndex": 0 }, { "key": "136", "type": "text", "locked": true, "text": "Ticket Processing Flow", "x": 360, "y": 360, "width": 7740, "height": 360, "zIndex": 0, "styleText": { "font-size": "14pt", "font-weight": "bold" } } ] }

#diagram { height: 900px; }