ZK Component Reference/Input/Doublebox

Doublebox

• Demonstration: Doublebox
• Java API: Doublebox
• JavaScript API: Doublebox
• Style Guide: Doublebox

Employment/Purpose

An edit box for holding an float point value (double).

Example

 <doublebox value="2.3"/>

Properties

Format

You are able to format the field by providing specifying the attribute with a formatting string. The default value is null.

<doublebox format="#,##0.##"/>

 Since 8.5.2

You can provide a locale to format the number by specify the String starts with "locale:"

<doublebox format="locale:zh-TW"/>

Constraint

You could specify what value to accept for input controls by the use of the constraint property. It could be a combination of no positive, no negative, no zero, no empty.

To specify two or more constraints, use comma to separate them as follows.

<doublebox constraint="no negative,no empty"/>

If you prefer to display different message to the default one, you can append the error message to the constraint with a colon.

<doublebox constraint="no negative: it shall not be negative"/>

Notes:

• The error message, if specified, must be the last element and start with colon.
• To support multiple languages, you could use the 「l」 function as depicted in the Internationalization chapter.

<doublebox constraint="no negative: ${c:l('err.num.negative')}"/>

Inherited Functions

Please refer to NumberInputElement for inherited functions.

Supported Events

Name	Event Type
None	None

• Inherited Supported Events: NumberInputElement

Supported Children

*NONE

Use Cases

Version	Description	Example Location

Version History

Version	Date	Content