Select all the Tree View Items

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I am Using TreeView Control in C# 2.0 with checkboxes.
There are some Items in the TreeView.
There is a Button Control in my form.
What I need is when I click the Button it should Select all the Node-checkBoxes present in tree(Parent as well as child nodes).

Posted 8-Jan-12 4:26am

Sourav Sarkar-SS

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Wendelius 8-Jan-12 10:47am

Is this Forms, ASP.NET, WPF or something else?

[no name] 8-Jan-12 13:26pm

c# 2.0, not asp.net, not wpf

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Wendelius · Accepted Answer · 2012-01-08T06:24:00

If this is forms, you can for example iterate through each root node and call a recursive method to check that node and it's children. For example:

Iteration:

C#

foreach (TreeNode node in treeView1.Nodes) {
   CheckItems(node);
}

Recursive method:

C#

private void CheckItems(TreeNode node) {
   node.Checked = true;
   foreach (TreeNode childNode in node.Nodes) {
      childNode.Checked = true;
      CheckItems(childNode);
   }
}