Hi Liau,
Greetings from Syncfusion support.
We are tried to reproduce the reported issue, but it was unsuccessful at our end. EJ2 Grid with foreignKey column is working fine at our end. Please find the below sample for your reference.
Still, if you face the same issue, please share the below details with us.
- Share the full Grid code you have used?
- Share the script version of Syncfusion packages.
- Share the screenshot of issue, console errors etc.,
- Share the issue reproducible sample or make the issue in the give sample.
Regards,
Rajapandiyan S