Hi TaeWook,
Greetings from syncfusion support.
From the shared details, we understand that you are facing a
styling issue with the ASP.NET Core FileManager component while setting the
height property in the FileManager. We have prepared a simple sample of the
ASP.NET Core application with the FileManager component and checked the
reported issue by setting the height property as per your update. But we
are unable to replicate the reported issue from our side. We have attached the
prepared sample for your reference.
Sample: https://www.syncfusion.com/downloads/support/directtrac/general/ze/WebApplication11095251844.zip
Please check the shared sample. If the issue persists from
your side, share the exact issue replication step from your side or replicate
the issue in the shared sample. Also, share the style sheets referred in your
sample. It will help us to provide a prompt solution.
Regards,
Sivakumar S