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    Form

    Customize Item

    You can use the items[] array to configure all form items. This array can contain strings (formData field names) and objects (item configurations).

    Use a string to create a simple item with default configuration as shown for the Email item.

    To change the default settings, declare an item configuration object. Use the dataField property to bind an item to a field in the formData object. Use the editorType property to specify an item's data editor or configure the editor in the editorOptions object. You can also specify any other properties described in the SimpleItem section.

    To customize item labels, use the label.template property. The demo uses this property to add icons to the labels. Refer to the Additional Notes item's implementation for instructions on how to add an icon with a tooltip to the label.

    This demo shows how to specify editorOptions, editorType, validationRules, and colSpan properties for simple items in a Form component.

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    $(() => { $('#form').dxForm({ formData: employee, items: [{ itemType: 'group', caption: 'Employee Details', colCount: 2, items: [{ dataField: 'FirstName', editorOptions: { disabled: true, }, label: { template: labelTemplate('user'), }, }, { dataField: 'Position', editorType: 'dxSelectBox', editorOptions: { items: positions, searchEnabled: true, value: '', }, validationRules: [{ type: 'required', message: 'Position is required', }], label: { template: labelTemplate('info'), }, }, { dataField: 'LastName', editorOptions: { disabled: true, }, label: { template: labelTemplate('user'), }, }, { dataField: 'HireDate', editorType: 'dxDateBox', editorOptions: { value: null, width: '100%', }, validationRules: [{ type: 'required', message: 'Hire date is required', }], label: { template: labelTemplate('event'), }, }, { dataField: 'BirthDate', editorType: 'dxDateBox', editorOptions: { disabled: true, width: '100%', }, label: { template: labelTemplate('event'), }, }, { dataField: 'Address', label: { template: labelTemplate('home'), }, }, { colSpan: 2, dataField: 'Notes', editorType: 'dxTextArea', editorOptions: { height: 90, maxLength: 200, }, label: { template: (data, element) => { const lineBreak = '<br>'; const infoIcon = '<i id="helpedInfo" class="dx-icon dx-icon-info"></i>'; const labelText = `Additional${lineBreak}${data.text}`; element.append(`<div id='template-content'>${infoIcon}${labelText}</div>`); $('<div>').dxTooltip({ target: '#helpedInfo', showEvent: 'mouseenter', hideEvent: 'mouseleave', contentTemplate(args) { args.html('<div id="tooltip-content">This field must not exceed 200 characters</div>'); }, }).appendTo(element); }, }, }, { dataField: 'Phone', editorOptions: { mask: '+1 (X00) 000-0000', maskRules: { X: /[02-9]/ }, }, label: { template: labelTemplate('tel'), }, }, { dataField: 'Email', label: { template: labelTemplate('email'), }, }], }], }); $('#form').dxForm('instance').validate(); function labelTemplate(iconName) { return (data) => $(`<div><i class='dx-icon dx-icon-${iconName}'></i>${data.text}</div>`); } });
    <!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/23.1.5/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/23.1.5/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> </body> </html>
    #helpedInfo { color: #42a5f5; } #tooltip-content { font-size: 14px; font-weight: bold; } #template-content { display: inline-flex; }
    const employee = { ID: 1, FirstName: 'John', LastName: 'Heart', Position: 'CEO', BirthDate: '1964/03/16', HireDate: '1995/01/15', Notes: 'John has been in the Audio/Video industry since 1990. He has led DevAv as its CEO since 2003.\r\n\r\nWhen not working hard as the CEO, John loves to golf and bowl. He once bowled a perfect game of 300.', Address: '351 S Hill St., Los Angeles, CA', Phone: '360-684-1334', Email: 'jheart@dx-email.com', }; const positions = [ 'HR Manager', 'IT Manager', 'CEO', 'Controller', 'Sales Manager', 'Support Manager', 'Shipping Manager', ];