$(function() {
var url = "https://js.devexpress.com/Demos/Mvc/api/DiagramEmployees";
var dataSource = DevExpress.data.AspNet.createStore({
key: "ID",
loadUrl: url + "/Employees",
insertUrl: url + "/InsertEmployee",
updateUrl: url + "/UpdateEmployee",
deleteUrl: url + "/DeleteEmployee",
onBeforeSend: function(method, ajaxOptions) {
ajaxOptions.xhrFields = { withCredentials: true };
},
onInserting: function(values) {
values["ID"] = 0;
values["Title"] = values["Title"] || "New Position";
values["Prefix"] = "Mr";
values["FullName"] = "New Employee";
values["City"] = "LA";
values["State"] = "CA";
values["HireDate"] = new Date();
}
})
$("#diagram").dxDiagram({
nodes: {
dataSource: dataSource,
keyExpr: "ID",
textExpr: "Title",
parentKeyExpr: "HeadID",
autoLayout: {
type: "tree"
}
},
contextToolbox: {
shapeIconsPerRow: 2,
width: 100,
shapes: [ "rectangle" ]
},
toolbox: {
shapeIconsPerRow: 2,
groups: [
{ title: "Items", shapes: [ "rectangle" ] }
],
showSearch: false
}
});
});
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<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=1.0" />
<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>
<script src="https://cdn3.devexpress.com/jslib/20.2.5/js/dx-diagram.min.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.5/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.5/css/dx.light.css" />
<link rel="stylesheet" href="https://cdn3.devexpress.com/jslib/20.2.5/css/dx-diagram.css" />
<script src="https://cdn3.devexpress.com/jslib/20.2.5/js/dx.all.js"></script>
<script src="https://unpkg.com/devextreme-aspnet-data@2.7.1/js/dx.aspnet.data.js"></script>
<link rel="stylesheet" type="text/css" href="styles.css" />
<script src="index.js"></script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="diagram">
</div>
</div>
</body>
</html>
#diagram {
height: 725px;
}