For Blazor Web Apps, I am seeking a full example to properly tie all the pieces together, to include the server-side
You can get the entire solution of our demos from here: GitHub - radzenhq/radzen-blazor: Radzen Blazor is the most sophisticated free UI component library for Blazor, featuring 100+ native components including DataGrid, Scheduler, Charts, and advanced theming with full support for Material Design and Fluent UI.
There is also a specific example for uploading images that includes a sample controller that handles the uploads server-side.