How the generate TreeView in asp.net?
<p>Consider the following table. It has 3 filed with the following data. Now I want to show the data in TreeView Control in asp.net and c#
I will select all the data in a DataTable. </p>

<pre><code>category_id category_name   parents_id
1           Root            NULL
2           Teacher         1
3           Student         1
4           TeacherA        2
5           TeacherB        2
6           TeacherC        2
7           StudentA        3
8           StudentB        3
9           StudentC        3
</code></pre>
