Getting Started REST API:
https://learn.microsoft.com/en-us/aspnet/core/tutorials/first-web-api?view=aspnetcore-6.0&tabs=visual-studio?WT.mc_id=AZ-MVP-5004665
Report View Controls:
https://learn.microsoft.com/en-us/sql/reporting-services/application-integration/integrating-reporting-services-using-reportviewer-controls-get-started?view=sql-server-ver16&WT.mc_id=AZ-MVP-5004665
You may also search short videos in internet or YouTube