Excel import to Json file and SQL Database .Net Core 3.1 multi-tier application
-- for migrations please run those lines on package manager before you start, -- it will automatically add the tables and relations on your localhost database
dotnet ef --startup-project CORE/CORE.csproj migrations add "MigrationName" -p DAL/DAL.csproj dotnet ef --startup-project CORE/CORE.csproj database update
--imported json file saved in this path;
user path....\FileUploadWebApiCore\CORE\bin\Debug\netcoreapp3.1\ImportedFiles
--in any case that you might run
dotnet tool install --global dotnet-ef