摘要：
Themodelbackingthe'XXXXDBContext'contexthaschangedsincethedatabasewascreated.Eithermanuallydelete/updatethedatabase,orcallDatabase.SetInitializerwithanIDatabaseInitializerinstance.Forexample,theDropCreateDatabaseIfModelChangesstrategywillautomaticallydeleteandrecreatethedatabase,andoptionall 阅读全文