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public void checktrue(TreeNode selectnode)
{
if (selectnode.ChildNodes != null)
{
foreach (TreeNode item in selectnode.ChildNodes)
{
item.Checked = true;
checktrue(item);
}
}
}
public void checkfalse(TreeNode selectnode)
{
if (selectnode.ChildNodes != null)
{
foreach (TreeNode item in selectnode.ChildNodes)
{
item.Checked = false;
checkfalse(item);
}
}
}
protected void TreeView2_TreeNodeCheckChanged(object sender, TreeNodeEventArgs e)
{
TreeNode treenode = e.Node;
if (treenode.Checked)
{
checktrue(treenode);
}
else
{
checkfalse(treenode);
}
}