Overview
The Form component builds a data entry UI for an object assigned to the formData property. The component displays and aligns label-editor pairs for each field in the bound object.
You can use the editors on the right to modify the following properties:
-
labelLocation
Specifies whether to display labels above or to the left of corresponding editors. -
colCount
Specifies the number of columns in the layout. To build an adaptive layout where the column count depends on the container width, set this property's value to "auto". -
minColWidth
Specifies the minimum column width. Use this property when the colCount property's value is "auto". -
width
Specifies the Form component's width. -
readOnly
Makes the Form editors read-only. -
showColonAfterLabel
Specifies whether the Form displays a colon after a label.
Feel free to share demo-related thoughts here.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
Thank you!
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We appreciate your feedback.
window.onload = function() {
var showColon = ko.observable(true),
formData = ko.observable(companies[0]),
readOnly = ko.observable(false),
labelLocation = ko.observable("top"),
minColWidth = ko.observable(300),
colCount = ko.observable(2),
widthValue = ko.observable(undefined);
var viewModel = {
formOptions: {
formData: formData,
readOnly: readOnly,
showColonAfterLabel: showColon,
labelLocation: labelLocation,
minColWidth: minColWidth,
colCount: colCount,
width: widthValue
},
selectCompanyOptions: {
displayExpr: "Name",
dataSource: companies,
value: formData
},
readOnlyOptions: {
value: readOnly,
text: "readOnly"
},
showColonOptions: {
value: showColon,
text: "showColonAfterLabel"
},
labelLocationOptions: {
items: ["left", "top"],
value: labelLocation
},
minColWidthOptions: {
items: [150, 200, 300],
value: minColWidth
},
colCountOptions: {
items: ["auto", 1, 2, 3],
value: colCount
},
widthOptions: {
max: 550,
value: widthValue
}
};
ko.applyBindings(viewModel, document.getElementById("form-demo"));
};
<!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://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.2/knockout-min.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.7/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.7/css/dx.light.css" />
<script src="https://cdn3.devexpress.com/jslib/20.2.7/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-demo">
<div class="widget-container">
<div>Select company:</div>
<div data-bind="dxSelectBox: selectCompanyOptions"></div>
<div id="form" data-bind="dxForm: formOptions"></div>
</div>
<div class="options">
<div class="caption">Options</div>
<div class="option">
<span>Label location:</span>
<div data-bind="dxSelectBox: labelLocationOptions"></div>
</div>
<div class="option">
<span>Columns count:</span>
<div data-bind="dxSelectBox: colCountOptions"></div>
</div>
<div class="option">
<span>Min column width:</span>
<div data-bind="dxSelectBox: minColWidthOptions"></div>
</div>
<div class="option">
<span>Form width:</span>
<div data-bind="dxNumberBox: widthOptions"></div>
</div>
<div class="option">
<div data-bind="dxCheckBox: readOnlyOptions"></div>
</div>
<div class="option">
<div data-bind="dxCheckBox: showColonOptions"></div>
</div>
</div>
</div>
</div>
</body>
</html>
.widget-container {
margin-right: 320px;
padding: 20px;
max-width: 550px;
min-width: 300px;
}
#form {
margin-top: 25px;
}
.options {
padding: 20px;
position: absolute;
bottom: 0;
right: 0;
width: 260px;
top: 0;
background-color: rgba(191, 191, 191, 0.15);
}
.caption {
font-size: 18px;
font-weight: 500;
}
.option {
margin-top: 10px;
}
var companies = [{
"ID": 1,
"Name": "Super Mart of the West",
"Address": "702 SW 8th Street",
"City": "Bentonville",
"State": "Arkansas",
"ZipCode": 72716,
"Phone": "(800) 555-2797",
"Fax": "(800) 555-2171",
"Website": "http://www.nowebsitesupermart.com"
}, {
"ID": 2,
"Name": "Electronics Depot",
"Address": "2455 Paces Ferry Road NW",
"City": "Atlanta",
"State": "Georgia",
"ZipCode": 30339,
"Phone": "(800) 595-3232",
"Fax": "(800) 595-3231",
"Website": "http://www.nowebsitedepot.com"
}, {
"ID": 3,
"Name": "K&S Music",
"Address": "1000 Nicllet Mall",
"City": "Minneapolis",
"State": "Minnesota",
"ZipCode": 55403,
"Phone": "(612) 304-6073",
"Fax": "(612) 304-6074",
"Website": "http://www.nowebsitemusic.com"
}, {
"ID": 4,
"Name": "Tom's Club",
"Address": "999 Lake Drive",
"City": "Issaquah",
"State": "Washington",
"ZipCode": 98027,
"Phone": "(800) 955-2292",
"Fax": "(800) 955-2293",
"Website": "http://www.nowebsitetomsclub.com"
}];