Hi Bob,
Thank you for your interest in Syncfusion Products.
You can wrap the text on a node in the treeview control by using IsTextHtml property. Please refer below code snippet to achieve this:
Please refer the sample in the below link which illustrates the above:
http://websamples.syncfusion.com/samples/Tools.Web/6.3.0.8/Tools_ASP_TreeViewWrap/main.htmPlease try this and let me know if this helps.
Thanks,
Melba