protected override void OnModelCreating(ModelBuilder modelBuilder) { UserEntity.Configure(modelBuilder.Entity <UserEntity>()); BookEntity.Configure(modelBuilder.Entity <BookEntity>()); OrderEntity.Configure(modelBuilder.Entity <OrderEntity>()); PostEntity.Configure(modelBuilder.Entity <PostEntity>()); CommentEntity.Congifure(modelBuilder.Entity <CommentEntity>()); RewardEntity.Configure(modelBuilder.Entity <RewardEntity>()); ShoppingCartEntity.Configure(modelBuilder.Entity <ShoppingCartEntity>()); }