Hi Ben,
Greetings from Syncfusion.
We have validated your query and checked the problem. We have prepared a simple sample with two DropdownEdit type column with persistence. We could not face any problem. Find the below sample for your reference.
Note: The above sample was created in latest version(18.4.0.43).
Could you please upgrade your NuGet version to latest and ensure the reported problem at your end.
Also, we need more details regarding the reported problem. Could you please share the below details. It will be helpful to validate and provide a better solution.
- Exact replication procedure.
- Full Grid code snippets.
- Share the error details.
- Video demonstration of the problem.
- Reproduce the problem in the provided sample and revert back to us.
- Share a simple reproduceable sample which shows your problem.
Regards,
Rahul