JavaScript/jQuery TreeView Events
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
contentReady
Event
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| model |
The model data. Available only when using Knockout. |
Main article: onContentReady.
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
disposing
Raised before the widget is disposed of.
Event
| Name | Type | Description |
|---|---|---|
| component |
The widget instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| model |
The model data. Available only if you use Knockout. |
Main article: onDisposing
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
initialized
Event
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
Main article: onInitialized
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
itemClick
Event
| Name | Type | Description |
|---|---|---|
| model |
The model data. Available only if Knockout is used. |
|
| jQueryEvent |
Use 'event' instead. The jQuery event that caused the function's execution. Deprecated in favor of the event field. |
|
| itemIndex | | |
The clicked item's index. |
| itemElement |
The clicked item's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| itemData |
The clicked item's data object. |
|
| event | Event (jQuery or EventObject) |
The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery. |
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| component |
The widget's instance. |
|
| node |
The clicked item's node. |
Main article: onItemClick.
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
itemCollapsed
Event
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| event | Event (jQuery or EventObject) |
The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery. |
| itemData |
The collapsed item's data. |
|
| itemElement |
The item's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| itemIndex |
The item's index. |
|
| jQueryEvent |
Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field. |
|
| model |
The model data. Available only if Knockout is used. |
|
| node |
The item's node. |
Main article: onItemCollapsed
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
itemContextMenu
Event
| Name | Type | Description |
|---|---|---|
| model |
The model data. Available only if Knockout is used. |
|
| jQueryEvent |
Use 'event' instead. The jQuery event that caused the function's execution. Deprecated in favor of the event field. |
|
| itemIndex | | |
The target item's index. |
| itemElement |
The target item's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| itemData |
The target item's data object. |
|
| event | Event (jQuery or EventObject) |
The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery. |
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| component |
The widget's instance. |
|
| node |
The target item's node. |
Main article: onItemContextMenu
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
itemExpanded
Event
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| event | Event (jQuery or EventObject) |
The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery. |
| itemData |
The expanded item's data. |
|
| itemElement |
The item's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| itemIndex |
The item's index. |
|
| jQueryEvent |
Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field. |
|
| model |
The model data. Available only if Knockout is used. |
|
| node |
The item's node. |
Main article: onItemExpanded
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
itemHold
Raised when a collection item has been held for a specified period.
Event
| Name | Type | Description |
|---|---|---|
| model |
The model data. Available only if Knockout is used. |
|
| itemIndex |
The index of the item being held. In a grouped list, the index represents an object defining the group and item indexes: { group: 0, item: 0 }. |
|
| itemElement |
The item's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| itemData |
The data object of the item being held. |
|
| event | Event (jQuery or EventObject) |
The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery. |
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| component |
The widget's instance. |
|
| node |
The node of the item being held. |
Main article: onItemHold
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
itemRendered
Event
| Name | Type | Description |
|---|---|---|
| model |
The model data. Available only if Knockout is used. |
|
| itemIndex |
The rendered item's index. |
|
| itemElement |
The rendered item's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| itemData |
The rendered item's data object. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| component |
The widget's instance. |
|
| node |
The rendered item's node. |
Main article: onItemRendered
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
itemSelectionChanged
Event
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| itemElement |
The item's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| model |
The model data. Available only if Knockout is used. |
|
| node |
The item's node. |
Main article: onItemSelectionChanged
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
optionChanged
Event
| Name | Type | Description |
|---|---|---|
| model |
The model data. Available only if you use Knockout. |
|
| fullName |
The path to the modified option that includes all parent options. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| component |
The widget's instance. |
|
| name |
The modified option if it belongs to the first level. Otherwise, the first-level option it is nested into. |
|
| value | any |
The modified option's new value. |
Main article: onOptionChanged
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
selectAllValueChanged
Event
| Name | Type | Description |
|---|---|---|
| component |
The widget's instance. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| model |
The model data. Available only if Knockout is used. |
|
| value |
The "Select All" check box's new state. |
Main article: onSelectAllValueChanged
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
selectionChanged
Event
| Name | Type | Description |
|---|---|---|
| model |
The model data. Available only if Knockout is used. |
|
| element |
The widget's container. It is an HTML Element or a jQuery Element when you use jQuery. |
|
| component |
The widget's instance. |
Main article: onSelectionChanged
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
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