Executei os dois comandos : Add-Migration criaUsuario/update-database Porém tenho este erro:
"An unhandled exception of type 'Microsoft.Data.Entity.DbUpdateException' occurred in EntityFramework.Core.dll An unhandled exception of type 'Microsoft.Data.Entity.DbUpdateException' occurred in EntityFramework.Core.dll
Additional information: An error occurred while updating the entries. See the inner exception for details. Additional information: An error occurred while updating the entries. See the inner exception for details."
o Inner Exception: "{"Invalid object name 'Usuario'."}"