$(function(){
var form = $("#form").dxForm({
formData: employee,
labelLocation: "top",
minColWidth: 233,
colCount: "auto",
colCountByScreen: {
md: 3,
sm: 2
},
screenByWidth: function(width) {
return width < 720? "sm" : "md";
}
}).dxForm("instance");
$("#useColCountByScreen").dxCheckBox({
onValueChanged: function(e) {
if(e.value) {
form.option("colCountByScreen.sm", 2);
form.option("colCountByScreen.md", 3);
} else {
form.option("colCountByScreen.sm", undefined);
form.option("colCountByScreen.md", undefined);
}
},
text: "Set the count of columns regardless of screen size",
value: true
});
});
<!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/20.2.5/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.5/css/dx.light.css" />
<script src="https://cdn3.devexpress.com/jslib/20.2.5/js/dx.all.js"></script>
<script src="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="form"></div>
<div class="options">
<div class="caption">Options</div>
<div class="option">
<div id="useColCountByScreen"></div>
</div>
</div>
</div>
</body>
</html>
#form {
padding: 10px 10px 110px;
}
.options {
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
left: 0;
position: absolute;
bottom: 0;
right: 0;
}
.caption {
font-size: 18px;
font-weight: 500;
}
.option {
margin-top: 10px;
}
var employee = {
"ID": 1,
"FirstName": "John",
"LastName": "Heart",
"CompanyName": "Super Mart of the West",
"Position": "CEO",
"OfficeNo": "901",
"BirthDate": new Date(1964, 2, 16),
"HireDate": new Date(1995, 0, 15),
"Address": "351 S Hill St.",
"City": "Los Angeles",
"State": "CA",
"Zipcode": "90013",
"Phone": "+1(213) 555-9392",
"Email": "jheart@dx-email.com",
"Skype": "jheart_DX_skype"
};