Hi Charles,
Greetings from
Syncfusion support.
We have validated the reported issue by preparing an Angular
Dropdown Tree sample. We were able to face the issue when we used the same id
value for both the Dropdown Tree components. To overcome this issue, we suggest
you set a unique id for each Dropdown Tree component.
For your reference, we have attached the sample.
Sample : https://stackblitz.com/edit/angular-nnmfly-bubnmd?file=app.component.html
Please let us know if you need any further assistance.
Regards,
Prasanth Madhaiyan.