JavaScript/jQuery SelectBox API
See Also
- Set Up DevExtreme: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
- Configure a Widget: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Configuration
Name | Description |
---|---|
acceptCustomValue |
Specifies whether the widget allows a user to enter a custom value. Requires the onCustomItemCreating handler implementation. |
accessKey |
Specifies the shortcut key that sets focus on the widget. |
activeStateEnabled |
Specifies whether or not the widget changes its state when interacting with a user. |
buttons |
Allows you to add custom buttons to the input text field. |
dataSource |
Binds the widget to data. |
deferRendering |
Specifies whether to render the drop-down field's content when it is displayed. If false, the content is rendered immediately. |
disabled |
Specifies whether the widget responds to user interaction. |
displayExpr |
Specifies the data field whose values should be displayed. |
displayValue |
Returns the value currently displayed by the widget. |
dropDownButtonComponent |
An alias for the dropDownButtonTemplate property specified in React. Accepts a custom component. Refer to Using a Custom Component for more information. |
dropDownButtonRender |
An alias for the dropDownButtonTemplate property specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information. |
dropDownButtonTemplate |
Specifies a custom template for the drop-down button. |
elementAttr |
Specifies the attributes to be attached to the widget's root element. |
fieldComponent |
An alias for the fieldTemplate property specified in React. Accepts a custom component. Refer to Using a Custom Component for more information. |
fieldRender |
An alias for the fieldTemplate property specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information. |
fieldTemplate |
Specifies a custom template for the text field. Must contain the TextBox widget. |
focusStateEnabled |
Specifies whether the widget can be focused using keyboard navigation. |
groupComponent |
An alias for the groupTemplate property specified in React. Accepts a custom component. Refer to Using a Custom Component for more information. |
grouped |
Specifies whether data items should be grouped. |
groupRender |
An alias for the groupTemplate property specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information. |
groupTemplate |
Specifies a custom template for group captions. |
height |
Specifies the widget's height. |
hint |
Specifies text for a hint that appears when a user pauses on the widget. |
hoverStateEnabled |
Specifies whether the widget changes its state when a user pauses on it. |
inputAttr |
Specifies the attributes to be passed on to the underlying HTML element. |
isValid |
Specifies or indicates whether the editor's value is valid. |
itemComponent |
An alias for the itemTemplate property specified in React. Accepts a custom component. Refer to Using a Custom Component for more information. |
itemRender |
An alias for the itemTemplate property specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information. |
items |
An array of items displayed by the widget. |
itemTemplate |
Specifies a custom template for items. |
maxLength |
Specifies the maximum number of characters you can enter into the textbox. |
minSearchLength |
The minimum number of characters that must be entered into the text box to begin a search. Applies only if searchEnabled is true. |
name |
The value to be assigned to the |
noDataText |
The text or HTML markup displayed by the widget if the item collection is empty. |
onChange |
A function that is executed when the widget loses focus after the text field's content was changed using the keyboard. |
onClosed |
A function that is executed once the drop-down editor is closed. |
onContentReady |
A function that is executed when the widget's content is ready and each time the content is changed. |
onCopy |
A function that is executed when the widget's input has been copied. |
onCustomItemCreating |
A function that is executed when a user adds a custom item. Requires acceptCustomValue to be set to true. |
onCut |
A function that is executed when the widget's input has been cut. |
onDisposing |
A function that is executed before the widget is disposed of. |
onEnterKey |
A function that is executed when the Enter key has been pressed while the widget is focused. |
onFocusIn |
A function that is executed when the widget gets focus. |
onFocusOut |
A function that is executed when the widget loses focus. |
onInitialized |
A function used in JavaScript frameworks to save the widget instance. |
onInput |
A function that is executed each time the widget's input is changed while the widget is focused. |
onItemClick |
A function that is executed when a list item is clicked or tapped. |
onKeyDown |
A function that is executed when a user is pressing a key on the keyboard. |
onKeyPress |
A function that is executed when a user presses a key on the keyboard. |
onKeyUp |
A function that is executed when a user releases a key on the keyboard. |
onOpened |
A function that is executed once the drop-down editor is opened. |
onOptionChanged |
A function that is executed after a widget option is changed. |
onPaste |
A function that is executed when the widget's input has been pasted. |
onSelectionChanged |
A function that is executed when a list item is selected or selection is canceled. |
onValueChanged |
A function that is executed after the widget's value is changed. |
opened |
Specifies whether or not the drop-down editor is displayed. |
openOnFieldClick |
Specifies whether a user can open the drop-down list by clicking a text field. |
placeholder |
The text that is provided as a hint in the select box editor. |
readOnly |
Specifies whether the editor is read-only. |
rtlEnabled |
Switches the widget to a right-to-left representation. |
searchEnabled |
Specifies whether to allow searching. |
searchExpr |
Specifies the name of a data source item field or an expression whose value is compared to the search criterion. |
searchMode |
Specifies a comparison operation used to search widget items. |
searchTimeout |
Specifies the time delay, in milliseconds, after the last character has been typed in, before a search is executed. |
selectedItem |
Gets the currently selected item. |
showClearButton |
Specifies whether to display the Clear button in the widget. |
showDataBeforeSearch |
Specifies whether or not the widget displays unfiltered values until a user types a number of characters exceeding the minSearchLength option value. |
showDropDownButton |
Specifies whether the drop-down button is visible. |
showSelectionControls |
Specifies whether or not to display selection controls. |
spellcheck |
Specifies whether or not the widget checks the inner text for spelling mistakes. |
stylingMode |
Specifies how the widget's text field is styled. |
tabIndex |
Specifies the number of the element when the Tab key is used for navigating. |
text |
The read-only option that holds the text displayed by the widget input element. |
validationError |
Information on the broken validation rule. Contains the first item from the validationErrors array. |
validationErrors |
An array of the validation rules that failed. |
validationMessageMode |
Specifies how the message about the validation rules that are not satisfied by this editor's value is displayed. |
validationStatus |
Indicates or specifies the current validation status. |
value |
Specifies the currently selected value. May be an object if dataSource contains objects and valueExpr is not set. |
valueChangeEvent |
Specifies the DOM events after which the widget's value should be updated. Applies only if acceptCustomValue is set to true. |
valueExpr |
Specifies which data field provides unique values to the widget's value. |
visible |
Specifies whether the widget is visible. |
width |
Specifies the widget's width. |
wrapItemText |
Specifies whether text that exceeds the drop-down list width should be wrapped. |
See Also
- Configure a Widget: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Methods
Name | Description |
---|---|
beginUpdate() |
Prevents the widget from refreshing until the endUpdate() method is called. |
blur() |
Removes focus from the input element. |
close() |
Closes the drop-down editor. |
content() |
Gets the popup window's content. |
defaultOptions(rule) |
Specifies the device-dependent default configuration options for this component. |
dispose() |
Disposes of all the resources allocated to the SelectBox instance. |
element() |
Gets the root widget element. |
endUpdate() |
Refreshes the widget after a call of the beginUpdate() method. |
field() |
Gets the widget's |
focus() |
Sets focus to the input element representing the widget. |
getButton(name) |
Gets an instance of a custom action button. |
getDataSource() |
Gets the DataSource instance. |
getInstance(element) |
Gets the instance of a widget found using its DOM node. |
instance() |
Gets the widget's instance. Use it to access other methods of the widget. |
off(eventName) |
Detaches all event handlers from a single event. |
off(eventName, eventHandler) |
Detaches a particular event handler from a single event. |
on(eventName, eventHandler) |
Subscribes to an event. |
on(events) |
Subscribes to events. |
open() |
Opens the drop-down editor. |
option() |
Gets all widget options. |
option(optionName) |
Gets the value of a single option. |
option(optionName, optionValue) |
Updates the value of a single option. |
option(options) |
Updates the values of several options. |
registerKeyHandler(key, handler) |
Registers a handler to be executed when a user presses a specific key. |
repaint() |
Repaints the widget without reloading data. Call it to update the widget's markup. |
reset() |
Resets the value option to the default value. |
resetOption(optionName) |
Resets an option to its default value. |
Events
Name | Description |
---|---|
change |
Raised when the widget loses focus after the text field's content was changed using the keyboard. |
closed |
Raised once the drop-down editor is closed. |
contentReady |
Raised when the widget's content is ready. |
copy |
Raised when the widget's input has been copied. |
customItemCreating |
Raised when a user adds a custom item. |
cut |
Raised when the widget's input has been cut. |
disposing |
Raised before the widget is disposed of. |
enterKey |
Raised when the Enter key has been pressed while the widget is focused. |
focusIn |
Raised when the widget gets focus. |
focusOut |
Raised when the widget loses focus. |
initialized |
Raised only once, after the widget is initialized. |
input |
Raised each time the widget's input is changed while the widget is focused. |
itemClick |
Raised when a list item is clicked or tapped. |
keyDown |
Raised when a user is pressing a key on the keyboard. |
keyPress |
Raised when a user presses a key on the keyboard. |
keyUp |
Raised when a user releases a key on the keyboard. |
opened |
Raised once the drop-down editor is opened. |
optionChanged |
Raised after a widget option is changed. |
paste |
Raised when the widget's input has been pasted. |
selectionChanged |
Raised when a list item is selected or selection is canceled. |
valueChanged |
Raised after the widget's value is changed. |
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core