Question treeview postback

[jaseemameer]

I have several child nodes under many parent nodes. I need to check all the child nodes just by checking the parent node. I found no postback for treeview. I got a c# code for using ajax, but its just not triggering, after converting to vb. I found an aftercheck event in vb forms. How can I resolve this issue in vb.net?

 

[JohnH]

You could set ShowCheckBoxes property to Parent, to only enable the parent nodes to be checked. (since child nodes checked depends on parent checked anyway)
If that is not an option using client script is probably a better option than a postback, see for example Asp.Net 2.0 Treeview Checkbox Check/Uncheck All script « On .NET, Javascript and more..

I found an aftercheck event in vb forms

Most about winforms controls is not relevant for ASP.Net controls.