$(function(){
const url = "https://js.devexpress.com/Demos/Mvc/api/DataGridEmployeesValidation";
$("#gridContainer").dxDataGrid({
dataSource: DevExpress.data.AspNet.createStore({
key: "ID",
loadUrl: url,
insertUrl: url,
updateUrl: url,
deleteUrl: url,
onBeforeSend: function(method, ajaxOptions) {
ajaxOptions.xhrFields = { withCredentials: true };
}
}),
repaintChangesOnly: true,
columnAutoWidth: true,
showBorders: true,
paging: {
enabled: false
},
editing: {
mode: "batch",
allowUpdating: true,
allowAdding: true
},
columns: [{
dataField: "FirstName",
validationRules: [{ type: "required" }]
}, {
dataField: "LastName",
validationRules: [{ type: "required" }]
}, {
dataField: "Position",
validationRules: [{ type: "required" }]
}, {
dataField: "Phone",
validationRules: [{ type: "required" }, {
type: "pattern",
message: 'Your phone must have "(555) 555-5555" format!',
pattern: /^\(\d{3}\) \d{3}-\d{4}$/i
}]
}, {
dataField: "Email",
validationRules: [{
type: "required"
}, {
type: "email"
}, {
type: "async",
message: "Email address is not unique",
validationCallback: function(params) {
return $.ajax({
url: "https://js.devexpress.com/Demos/Mvc/RemoteValidation/CheckUniqueEmailAddress",
type: 'POST',
dataType: 'json',
contentType: 'application/json',
data: JSON.stringify({
id: params.data.ID,
email: params.value
})
});
}
}]
}
]
});
});
<!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>
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.4/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.4/css/dx.light.css" />
<script src="https://cdn3.devexpress.com/jslib/20.2.4/js/dx.all.js"></script>
<script src="https://unpkg.com/devextreme-aspnet-data@2.7.1/js/dx.aspnet.data.js"></script>
<script src="data.js"></script>
<script src="index.js"></script>
<link rel="stylesheet" type="text/css" href="styles.css" />
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="gridContainer"></div>
</div>
</body>
</html>