Hi Robert,
Greetings from Syncfusion support.
We have confirmed it is a bug and logged the defect report “Performing search using Search method not works when set Operator in GridSearchSettings and have enum value” for the same. 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 our upcoming Patch release which is expected to be rolled out by the mid of August, 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.
Please get back to us if you need further assistance.
Regards,
Renjith Singh Rajendran