DxTreeView.SelectionChanged Event
Fires after node selection has been changed.
Namespace: DevExpress.Blazor
Assembly: DevExpress.Blazor.v24.2.dll
NuGet Package: DevExpress.Blazor
#Declaration
[Parameter]
public EventCallback<TreeViewNodeEventArgs> SelectionChanged { get; set; }
#Event Data
The SelectionChanged event's data class is TreeViewNodeEventArgs. The following properties provide information specific to this event:
Property | Description |
---|---|
Caused |
Obsolete. Specifies whether an event was triggered by a user action or programmatically. |
Node |
Returns information about a node related to the event. |
Reason |
Returns the reason why the Tree |
#Remarks
Write a SelectionChanged
event handler to perform specified actions each time a node selection is changed by end-user interaction.
<DxTreeView AllowSelectNodes="true"
SelectionChanged="@SelectionChanged">
@* ... *@
</DxTreeView>
@code {
string SelectedGroup = "none";
void SelectionChanged(TreeViewNodeEventArgs e) {
SelectedGroup = e.NodeInfo.Text;
InvokeAsync(StateHasChanged);
}
}