HI Shadowchamber,
Thanks for contacting Syncfusion support.
Query: “I'm trying to use foreign column drop down but it doesn't show the control on edit / add dialog.”
We have validated your query and we are able to reproduce the reported issue at our end also. Since it is known issue, we have already logged the defect report “While editing a foreign key column, editor is not displayed”. Thank you for taking the time to report this issue and helping us improve our product. At Syncfusion, we are committed to fixing all validated defects (subject to technological feasibility and Product Development Life Cycle ) and including the defect fix in weekly patch release which is expected to be rolled out by mid of September 2020.
You can now track the current status of your request, review the proposed resolution timeline, and contact us for any further inquiries through this link.
Till then we appreciate your patience.
Regards,
Vignesh Natarajan