TreeNode.Collapse Method
.NET Framework 3.0
Collapses the current tree node.
Namespace: System.Web.UI.WebControls
Assembly: System.Web (in system.web.dll)
Assembly: System.Web (in system.web.dll)
Use the Collapse method to conveniently collapse the current node.
Note: |
|---|
| As an alternative, you can also set the Expanded property to false. |
To collapse the current node and all its child nodes, consider using the CollapseAll method.
CollapseAll will collapse all the nodes in the entire tree.
The following code example demonstrates how to use the Collapse method to programmatically collapse a node in the TreeView control. For this example to work correctly, you must copy the sample XML data below to a file named Book.xml.
The following code is sample XML data for the previous example.
<Book Title="Book Title">
<Chapter Heading="Chapter 1">
<Section Heading="Section 1">
</Section>
<Section Heading="Section 2">
</Section>
</Chapter>
<Chapter Heading="Chapter 2">
<Section Heading="Section 1">
</Section>
</Chapter>
</Book>
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