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A column type for the RadTreeList control that displays a CheckBox in each corresponding cell inside all rendered Telerik.Web.UI.TreeListDataItem instances.

Inheritance Hierarchy

  • System.Object
  • Telerik.Web.StateManager : IMarkableStateManager, IStateManager
  • Telerik.Web.UI.TreeListColumn : IComparable
  • Telerik.Web.UI.TreeListDataColumn
  • Telerik.Web.UI.TreeListEditableColumn
  • Telerik.Web.UI.TreeListCheckBoxColumn


AllowSorting Boolean

Gets or sets a whether the column data can be sorted.

ColumnType String

Returns a string which represents the type of the current column.

DataField String

Gets or sets the field name from the specified data source to bind to the TreeListDataColumn.

DataType Type

Gets or sets (see the Remarks) the type of the data from the DataField as it was set in the DataSource.


The DataType property supports the following base .NET Framework data types:BooleanByteCharDateTimeDecimalDoubleInt16Int32Int64SByteSingleStringTimeSpanUInt16UInt32UInt64

DefaultInsertValue String

Gets or sets the default value for this column's editor when a new item is inserted in RadTreeList.

DesignMode Boolean

Indicates if the control is in design-mode.

Display Boolean

Gets or sets a value indicating whether the cells corresponding to a column would be rendered with a 'display:none' style attribute (end-user-not-visible). To completely prevent cells from rendering, set the property to false, instead of the Display property.

EditFormColumnIndex Int32

Specifies the vertical column number where this column will appear when using EditForms editing mode and the form is auto-generated.

EditFormHeaderTextFormat String

Gets or sets the format of the that is set to the edit cell inside an auto-generated edit form.

FooterText String

Use the FooterText property to specify your own or determine the current text for the footer section of the column.

ForceExtractValue TreeListForceExtractValues

Specifies how values for this column will be extracted when the column is read-only.

HeaderStyle TableItemStyle

Style of the cell in the header item of the RadTreeList, corresponding to the column.

HeaderText String

Gets or sets the text which will appear in the header cell of the column.

HeaderTooltip String

Gets or sets the tooltip of the header cell.

IsEditable Boolean

Gets a value indicating whether this column is currently editable. Use the column's ReadOnly property if you want to change its editing capabilities.

ItemStyle TableItemStyle

Style of the cell in the item of the RadTreeList, corresponding to the column.

MaxWidth Unit

Gets or sets maximum width of the column. Used when resizing.

MinWidth Unit

Gets or sets minimum width of the column. Used when resizing.

OrderIndex Int32

Gets or sets the order index of column used when reordering the columns.

Owner RadTreeList

Gets a reference to the object to which the column belongs

ReadOnly Boolean

Gets or sets a value indicating whether the column is read-only. A read-only column will be shown in items in view mode, but will not appear in the edit form of edited items.

Reorderable Boolean

Gets or sets a value indicating whether the column can be reordered client-side.

Resizable Boolean

Gets or sets a value indicating whether the column can be resized client-side. You can use this property, by setting it to false, to disable resizing for a particular column, while preserving this functionality for all the other columns.

Sortable Boolean

Should override if sorting will be disabled

SortExpression String

The string representing a filed-name from the DataSource that should be used when grid sorts by this column.

ToolTip String

Gets or sets the tooltip of each select checkbox

UniqueName String

Each column in Telerik RadTreeList has an UniqueName property (string). This property is assigned automatically by the designer (or the first time you want to access the columns if they are built dynamically).

UseNativeEditorsInMobileMode Boolean

Gets or sets whether the column editor will be native when treelist's RenderMode is set to Mobile

Visible Boolean

Gets or sets a value indicating if the column and all corresponding cells would be rendered.



Creates the default editor for the TreeListCheckBox column.




Create and return a default column editor for the current RadTreeList editable column.




Extracts the values from the specified instance and fills the names/values pairs for each data-field edited by the column in the specified IDictionary instance.


newValues System.Collections.IDictionary

Dictionary to fill. This param should not be null (Nothing in VB.NET)

editableItem Telerik.Web.UI.TreeListEditableItem

The GridEditableItem to extract values from




Gets the editor of this column from the specified instance.




Retrieves the data value of this column from the specified TableCell of a .




Extracts the editor values from the specified instance.




By default returns the SortExpression of the column. If the SortExpression is not set explicitly, it would be calculated, based on the DataField of the column.




Initializes one by one the cells which belong to the column. These could be data, header and footer cells.


cell System.Web.UI.WebControls.TableCell

The cell which will be set up.

columnIndex System.Int32

The index of the column to which the cell belongs.

inItem Telerik.Web.UI.TreeListItem

The TreeListItem to which the cell will be added.




Prepares the cell of the given item when the treelist is rendered.




Gets or sets a value specifying whether RadTreeList should extract values from the specified instance based on the item's editable state, the current column's ReadOnly state and the value of ForceExtractValue property.




Checks if the DataField of the current column is in the DataKeyNames or ParentDataKeyNames collection of and tries to extract the data key value from the specified instance.



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