Steps to reproduce the bug:
1. Navigate and run the DOJO example here--> https://dojo.telerik.com/uFIWePam
2. Click on "Export to Excel"
3. Either download the file or just click Cancel/Close the download dialog box.
4. Now expand the first node in the list.
5. Appears that all the other nodes get expanded.
Hi Deepak,
Thank you for taking the time to report this undesired TreeList behavior.
I confirm that this is a bug and its progress can be tracked at the following link:
As a token of gratitude for reporting this, I have updated your Telerik points adding some.Regards,
Nikolay
Progress Telerik