Hi Joe Sperlak,
Greetings from Syncfusion support.
Based on the shared details, we understand that your requirement is to adjust the height of the Blazor Sidebar component based on the height of its child content. However, the height of the Blazor Sidebar component is determined by the height of its main content, which is the default behavior of the component.
To meet your requirement, you can either set a static height for the Sidebar component class or adjust the height of the main content area accordingly.
Try out the shared details and let us know if you need any further assistance.
Regards,
Prasanth Madhaiyan.