Hi Pierre,
Greeting from Syncfusion support.
From your query, we suspect that you are facing an issue
with dialog editor with dropdownlist in Custom Adaptor. We suggest you to refer
the Dialog Template in UG Documentation to customize based to your requirement.
We have attached the UG Documentation link for your reference. Kindly refer the
attachment to resolve your issue.
https://blazor.syncfusion.com/documentation/datagrid/template-editing#dialog-template
If the issue still persists, Kindly share the below
requested details for further validation:
1. Share
us the entire Grid code snippet.
2.Kindly
explain your requirement elaborately for better understanding.
3.Share us a video demonstration of the issue.
4.If possible kindly share us a simple issue
reproduceable sample .
Above
requested details will be very helpful in validating the reported query at our
end and provide solution as early as possible.
Regards,
Bala.