Hi Seil,
Thanks for contacting Syncfusion support.
Query: “There are first place (장소) cell and second place (위치) cell The list of locations should be different depending on the choice of the first place”
From your query we understand that you want to change the value of one dropdown based on the value selected in another dropdown list. (i.e.) cascading dropdownlist. We have already documented your requirement in our UG documentation how to section. Kindly refer the below documentation or your reference
Kindly get back to us if you have further queries.
Regards,
Vignesh Natarajan