asp.net2.0中的TreeView如何才能更改某个结点的Enable?

asp.net2.0中的TreeView怎么才能更改某个结点的Enable???????如题[解决办法]node.Text a disabled +

asp.net2.0中的TreeView怎么才能更改某个结点的Enable???????
如题

[解决办法]
node.Text = " <a disabled> " + node.Text + " </a> ";