- 
                            Data Grids / Data Management- 
                Data Grid- Overview
- 
                Data Binding
- 
                Filtering
- Sorting
- 
                Editing
- 
                Grouping
- 
                Selection
- Focused Row
- Paging
- 
                Scrolling
- 
                Columns
- 
                Master-Detail
- 
                Data Summaries
- 
                Drag & Drop
- 
                Export to PDF
- 
                Export to Excel
- Appearance
- 
                Customization
- State Persistence
- 
                Adaptability
- 
                Keyboard Navigation
- Right-To-Left Support
 
- 
                Tree List- Overview
- 
                Data Binding
- 
                Filtering
- Sorting
- 
                Editing
- 
                Selection
- Focused Row
- Paging
- 
                Columns
- Drag & Drop
- State Persistence
- Adaptability
- 
                Keyboard Navigation
 
- 
                Card View
- 
                Pivot Grid- Overview
- 
                Data Binding
- 
                Field Management
- 
                Data Summaries
- Drill Down
- Filtering
- 
                Scrolling
- 
                Export to Excel
- Chart Integration
- Customization
- State Persistence
 
- 
                Filter Builder
 
- 
                
- 
                            Data Visualization- 
                Charts- Overview
- 
                Data Binding
- 
                Common Concepts- 
                Axis
- 
                Aggregation
- 
                Tooltips
- 
                Selection
- 
                Customization
- 
                Zooming
- 
                Export
 
- 
                
- 
                Area Charts
- 
                Bar Charts
- Bullet Charts
- 
                Doughnut Charts
- 
                Financial Charts
- 
                Funnel and Pyramid Charts
- 
                Line Charts
- Pareto Chart
- 
                Pie Charts
- 
                Point Charts
- 
                Polar and Radar Charts
- 
                Range Charts
- Sankey Chart
- 
                Sparkline Charts
- 
                Tree Map
 
- 
                Gauges- Overview
- 
                Runtime update
- 
                Bar Gauge
- 
                Circular Gauge
- 
                Linear Gauge
 
- 
                Diagram- Overview
- 
                Data Binding
- 
                Featured Shapes
- 
                Custom Shapes
- 
                Document Capabilities
- 
                User Interaction
- UI Customization
- Adaptability
 
 
- 
                
- 
                            Scheduling / Planning- 
                Scheduler- Overview
- 
                Data Binding
- 
                Views
- 
                Appointments
- 
                Timetable
- Editing
- 
                Grouping
- Virtual Scrolling
- Drag & Drop
- 
                Customization
- Adaptability
 
- 
                Gantt- Overview
- Data Binding
- 
                Filtering
- Sorting
- Strip Lines
- Export to PDF
- Validation
- 
                Customization
 
 
- 
                
- 
                            Reporting- 
                AI-powered Extensions
- 
                Interaction
- 
                Report Types
- 
                Data binding
- 
                Real-life Reports
- 
                Layout Features
- 
                Report Controls
- 
                Web-specific Features
 
- 
                
- 
                            Rich Text Editor- Overview
- Load/Save
- Document Protection
- 
                Templates
- Autocorrect
- 
                Customization
- Simple View
 
- 
                            Spreadsheet- Overview
- 
                Open a Document
- Export And Printing
- 
                Features
- 
                UI Customization
 
- 
                            Messaging
- 
                            WYSIWYG Editor
- 
                            Forms
- 
                            Data Editors- Overview
- 
                Common Concepts
- 
                Calendar
- Check Box
- Color Box
- Date Box
- 
                Date Range Box
- 
                Number Box
- Radio Group
- 
                Range Selector
- Range Slider
- Slider
- Speech To Text
- Switch
- Text Area
- Text Box
 
- 
                            Drop-Downs- Autocomplete
- 
                Drop Down Box
- 
                Select Box
- 
                Tag Box
- 
                Lookup
 
- 
                            Buttons
- 
                            File Upload / File Management- 
                File Manager- Overview
- 
                File System Types
- 
                Customization
 
- 
                File Uploader
 
- 
                
- 
                            Popup and Notifications
- 
                            Navigation- Overview
- Accordion
- 
                Context Menu
- 
                Menu
- Multi View
- 
                Drawer
- 
                Tab Panel
- 
                Tabs
- 
                Toolbar
- 
                Stepper
- Pagination
- 
                List
- 
                Tree View
- Right-to-Left Support
 
- 
                            Layout- 
                Tile View
- Splitter
- 
                Gallery
- Scroll View
 
- 
                
- 
                            Interactive Wrappers- 
                Sortable
- Resizable
 
- 
                
- 
                            Progress Indicators
- 
                            Maps- Overview
- 
                Map
- 
                Vector Map- 
                Data Binding
- Multiple Layers
- 
                Markers
- Legend
- 
                Zooming and Panning
- 
                Customization
 
- 
                
 
- 
                            Localization
Related Demos:
        
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    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.
            
            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;
}