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    Form

    Columns Adaptability

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    The Form UI component can use different layouts depending on the screen width. The dependency between column count and the screen width is specified using the colCountByScreen property, which has a higher priority than the colCount and the minColWidth properties. In this demo, the form is displayed using a 4-column layout on wide screens and a 2-column layout on narrow screens. Switch between the landscape and portrait layouts to see how the form looks on wide and narrow screens.

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    $(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" };