Hi,
Thank you for your interest in Syncfusion Products.
If your intention is to have a pop-up window that display the node's information, it can be achieved by using PopupContainerControl. Please refer the sample in the below link which illustrates the above:
http://websamples.syncfusion.com/samples/Diagram.Web/6.1.0.23/7000/main.htmIf I have misunderstood your requirement, could you please explain me in detail, so that I can work in depth and try to send a better solution?
Thanks,
Melba