blazor-devexpress-dot-blazor-dot-dxtreeview-d3f16326.md
Specifies whether the Check All box is visible.
Namespace : DevExpress.Blazor
Assembly : DevExpress.Blazor.v25.2.dll
NuGet Package : DevExpress.Blazor
[DefaultValue(false)]
[Parameter]
public bool CheckAllVisible { get; set; }
| Type | Default | Description |
|---|---|---|
| Boolean | false |
true to display the CheckBox; otherwise, false.
|
You can check all TreeView nodes as follows:
Check All box in the UICall the ClearCheck() method to uncheck all nodes.
Note
The following actions change the check state of all nodes, even those that do not meet the applied filter criteria:
The following code snippet displays the Check All editor:
<DxTreeView Data="@Data"
CheckMode="TreeViewCheckMode.Multiple"
CheckAllVisible="true">
<DataMappings>
<DxTreeViewDataMapping Text="Name"
Key="Id"
ParentKey="CategoryId" />
</DataMappings>
</DxTreeView>
Use the CheckAllText property to specify custom text for the editor.
See Also