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API Reference
UI Widgets
Accordion
ActionSheet
Autocomplete
BarGauge
Box
Bullet
Button
ButtonGroup
Calendar
Chart
CheckBox
CircularGauge
ColorBox
ContextMenu
DataGrid
DateBox
DeferRendering
DiagramCTP
Draggable
Drawer
DropDownBox
DropDownButton
FileManagerCTP
FileUploader
FilterBuilder
Form
Funnel
Gallery
GanttCTP
HtmlEditorCTP
LinearGauge
List
LoadIndicator
LoadPanel
Lookup
Map
Menu
MultiView
NavBar
NumberBox
PieChart
PivotGrid
PivotGridFieldChooser
PolarChart
Popover
Popup
ProgressBar
RadioGroup
RangeSelector
RangeSlider
Resizable
ResponsiveBox
Sankey
Scheduler
ScrollView
SelectBox
SlideOut
SlideOutView
Slider
Sortable
Sparkline
SpeedDialAction
Switch
TabPanel
Tabs
TagBox
TextArea
TextBox
TileView
Toast
Toolbar
Tooltip
TreeList
Configuration
Methods
Events
adaptiveDetailRowPreparing
cellClick
cellDblClick
cellHoverChanged
cellPrepared
contentReady
contextMenuPreparing
dataErrorOccurred
disposing
editingStart
editorPrepared
editorPreparing
focusedCellChanged
focusedCellChanging
focusedRowChanged
focusedRowChanging
initialized
initNewRow
keyDown
nodesInitialized
optionChanged
rowClick
rowCollapsed
rowCollapsing
rowDblClick
rowExpanded
rowExpanding
rowInserted
rowInserting
rowPrepared
rowRemoved
rowRemoving
rowUpdated
rowUpdating
rowValidating
selectionChanged
toolbarPreparing
Node
Row
TreeMap
TreeView
ValidationGroup
ValidationSummary
Validator
VectorMap
Markup Components
UI Events
CSS Classes
Data Layer
Types
Utilities
Getting Started
Angular
React
Vue
ASP.NET MVC 5
ASP.NET Core
Widgets
Data Binding
Common Features

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JavaScript/jQuery TreeList Events

This section describes events raised by this widget.

See Also

adaptiveDetailRowPreparing

Raised before an adaptive detail row is rendered.

Type:

Event

Main article: onAdaptiveDetailRowPreparing

See Also

cellClick

Raised when a cell is clicked or tapped.

Type:

Event

Main article: onCellClick

See Also

cellDblClick

Raised when a cell is double-clicked or double-tapped.

Type:

Event

Main article: onCellDblClick

See Also

cellHoverChanged

Raised when the pointer enters or leaves a cell.

Type:

Event

Main article: onCellHoverChanged

See Also

cellPrepared

Raised after a cell is created.

Type:

Event

Main article: onCellPrepared

See Also

contentReady

Raised when the widget's content is ready.

Type:

Event

Main article: onContentReady.

See Also

contextMenuPreparing

Raised before the context menu is rendered.

Type:

Event

Main article: onContextMenuPreparing

See Also

dataErrorOccurred

Raised when an error occurs in the data source.

Type:

Event

Main article: onDataErrorOccurred

See Also

disposing

Raised before the widget is disposed of.

Type:

Event

Main article: onDisposing

See Also

editingStart

Raised before a cell or row switches to the editing state.

Type:

Event

Main article: onEditingStart

See Also

editorPrepared

Raised after an editor is created.

Type:

Event

Main article: onEditorPrepared

See Also

editorPreparing

Raised before an editor is created.

Type:

Event

Main article: onEditorPreparing

See Also

focusedCellChanged

Raised after the focused cell changes.

Type:

Event

Main article: onFocusedCellChanged

See Also

focusedCellChanging

Raised before the focused cell changes.

Type:

Event

Main article: onFocusedCellChanging

See Also

focusedRowChanged

Raised after the focused row changes. Applies only when focusedRowEnabled is true.

Type:

Event

Main article: onFocusedRowChanged

See Also

focusedRowChanging

Raised before the focused row changes. Applies only when focusedRowEnabled is true.

Type:

Event

Main article: onFocusedRowChanging

See Also

initialized

Raised only once, after the widget is initialized.

Type:

Event

Main article: onInitialized

See Also

initNewRow

Raised before a new row is added to the widget.

Type:

Event

Main article: onInitNewRow

See Also

keyDown

Raised when the widget is in focus and a key has been pressed down.

Type:

Event

Main article: onKeyDown

See Also

nodesInitialized

Raised after the loaded nodes are initialized.

Type:

Event

Main article: onNodesInitialized

See Also

optionChanged

Raised after a widget option is changed.

Type:

Event

Main article: onOptionChanged

See Also

rowClick

Raised when a row is clicked or tapped.

Type:

Event

Main article: onRowClick

See Also

rowCollapsed

Raised after a row is collapsed.

Type:

Event

Main article: onRowCollapsed

See Also

rowCollapsing

Raised before a row is collapsed.

Type:

Event

Main article: onRowCollapsing

See Also

rowDblClick

Raised when a row is double-clicked or double-tapped.

Type:

Event

Main article: onRowDblClick

See Also

rowExpanded

Raised after a row is expanded.

Type:

Event

Main article: onRowExpanded

See Also

rowExpanding

Raised before a row is expanded.

Type:

Event

Main article: onRowExpanding

See Also

rowInserted

Raised after a new row has been inserted into the data source.

Type:

Event

Main article: onRowInserted

See Also

rowInserting

Raised before a new row is inserted into the data source.

Type:

Event

Main article: onRowInserting

See Also

rowPrepared

Raised after a row is created.

Type:

Event

Main article: onRowPrepared

See Also

rowRemoved

Raised after a row has been removed from the data source.

Type:

Event

Main article: onRowRemoved

See Also

rowRemoving

Raised before a row is removed from the data source.

Type:

Event

Main article: onRowRemoving

See Also

rowUpdated

Raised after a row has been updated in the data source.

Type:

Event

Main article: onRowUpdated

See Also

rowUpdating

Raised before a row is updated in the data source.

Type:

Event

Main article: onRowUpdating

See Also

rowValidating

Raised after cells in a row are validated against validation rules.

Type:

Event

Main article: onRowValidating

See Also

selectionChanged

Raised after selecting a row or clearing its selection.

Type:

Event

Main article: onSelectionChanged

See Also

toolbarPreparing

Raised before the toolbar is created.

Type:

Event

Main article: onToolbarPreparing

See Also