ASPxClientTreeViewNode.GetChecked Method
In This Article
Returns a value indicating whether the node is checked.
#Declaration
TypeScript
GetChecked(): boolean
#Returns
Type | Description |
---|---|
boolean |
|
#Remarks
The ASPxTreeView allows end-users to check nodes. To determine whether the node is checked, use the GetChecked method on the client side. In order to check/uncheck a specific node on the client side, use the ASPxTreeView’s ASPxClientTreeViewNode.SetChecked method.
To learn more, see the Check Box Support topic.
#Example
The code below lists checked nodes and shows them in a label on the client side.
<script type="text/javascript">
function OnCheckedChanged(s, e) {
label.SetText("Checked nodes:");
ListCheckedNodes(s);
}
function ListCheckedNodes(parent){
for (var i=0; i < parent.GetNodeCount(); i++){
if (parent.GetNode(i).GetChecked()){
label.SetText(label.GetText() + " " + parent.GetNode(i).GetText());
}
if (parent.GetNode(i).GetNodeCount() != 0){
ListCheckedNodes(parent.GetNode(i));
}
}
}
</script>
<dx:ASPxTreeView ID="ASPxTreeView1" runat="server" AllowCheckNodes="True" ClientInstanceName="treeview" DataSourceID="XmlDataSource1">
<ClientSideEvents CheckedChanged="OnCheckedChanged" />
</dx:ASPxTreeView>
<br />
<dx:ASPxLabel ID="ASPxLabel1" runat="server" ClientInstanceName="label" Text="Checked nodes:">
</dx:ASPxLabel>
<asp:XmlDataSource ID="XmlDataSource1" runat="server" DataFile="~/App_Data/MenuTabbedMenu.xml" XPath="/mainmenu/item"></asp:XmlDataSource>
See Also