# Native Data List

(part of package '[Bootstrap Components](https://docs.servoy.com/reference/servoyextensions/packages/ui-component-packages/bootstrap-components)')\
Extends designtime/SolutionModel: [JSWebComponent](https://docs.servoy.com/reference/servoycore/dev-api/solutionmodel/jswebcomponent)\
Extends runtime: [RuntimeWebComponent](https://docs.servoy.com/reference/servoycore/dev-api/forms/runtimeform/elements/runtimewebcomponent)

Native Data List displays a list of data items and allows selection.

This is a reference page; many components have detailed usage guides [here](https://docs.servoy.com/guides/develop/application-design/ui-components).

## Properties

### dataProviderID

Bound data provider identifier for the list component's value. Type: [Dataprovider](https://docs.servoy.com/servoy-developer/component_and_service_property_types#dataprovider)

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### editable

Flag indicating whether the list component is editable. Type: [Protected](https://docs.servoy.com/servoy-developer/component_and_service_property_types#protected) Default Value: true

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### enabled

Flag indicating whether the list component is enabled for user interaction. Type: [Enabled](https://docs.servoy.com/servoy-developer/component_and_service_property_types#protected) Default Value: true

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### placeholderText

Placeholder text displayed when no value is selected. Type: [Tagstring](https://docs.servoy.com/servoy-developer/component_and_service_property_types#tagstring)

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### styleClass

CSS style classes to be applied to the list component. Type: [Styleclass](https://docs.servoy.com/servoy-developer/component_and_service_property_types#styleclass) Default Value: "form-control"

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### tabSeq

Tab sequence order for keyboard navigation. Type: [Tabseq](https://docs.servoy.com/servoy-developer/component_and_service_property_types#tabseq)

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### toolTipText

Tooltip text displayed when hovering over the list component. Type: [Tagstring](https://docs.servoy.com/servoy-developer/component_and_service_property_types#tagstring)

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### valuelistID

Identifier for the value list that provides the available options for the list. Type: [Valuelist](https://docs.servoy.com/servoy-developer/component_and_service_property_types#valuelist)

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### visible

Whether the button is visible or not Type: [Visible](https://docs.servoy.com/servoy-developer/component_and_service_property_types#visible)

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## Events

### onActionMethodID(event)

Fired when an action is performed on the list component (for example, when an item is selected).

**Parameters:**

> * {[JSEvent](https://docs.servoy.com/reference/servoycore/dev-api/application/jsevent)} event The event object containing details about the action event e.g. target element, interaction details

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### onDataChangeMethodID(oldValue,newValue,event)

Handle changed data, return false if the value should not be accepted.\
JSEvent.data will contain extra information about dataproviderid, its scope and the scope id (record datasource or form/global variable scope)

**Parameters:**

> * {[${dataproviderType}](https://docs.servoy.com/servoy-developer/component_and_service_property_types#dataprovider)} oldValue The previous value from the data provider
> * {[${dataproviderType}](https://docs.servoy.com/servoy-developer/component_and_service_property_types#dataprovider)} newValue The new value to be set in the data provider
> * {[JSEvent](https://docs.servoy.com/reference/servoycore/dev-api/application/jsevent)} event The event object associated with the data change

**Returns:** {[Boolean](https://docs.servoy.com/reference/servoycore/dev-api/js-lib/boolean)}

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### onFocusGainedMethodID(event)

Fired when the list component gains focus.

**Parameters:**

> * {[JSEvent](https://docs.servoy.com/reference/servoycore/dev-api/application/jsevent)} event The event object containing details about the focus gained event e.g. target element, timestamp

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### onFocusLostMethodID(event)

Fired when the list component loses focus.

**Parameters:**

> * {[JSEvent](https://docs.servoy.com/reference/servoycore/dev-api/application/jsevent)} event The event object containing details about the focus lost event e.g. target element, timestamp

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## API

### requestFocus(mustExecuteOnFocusGainedMethod)

Set the focus to the list input

**Example:**

```js
myElement.requestFocus();
```

**Parameters:**

> * {[Boolean](https://docs.servoy.com/reference/servoycore/dev-api/js-lib/boolean)} \[mustExecuteOnFocusGainedMethod] If false will not execute the onFocusGained method; the default value is true

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