using Microsoft.EntityFrameworkCore; using DataBaseImplements.Models; namespace DataBaseImplements { public class DataBase : DbContext { protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) { if (optionsBuilder.IsConfigured == false) { optionsBuilder.UseNpgsql("Host=localhost;Port=5432;Database=postgres;Username=postgres;Password=4757"); } base.OnConfiguring(optionsBuilder); } public virtual DbSet Orders { set; get; } public virtual DbSet Cities { set; get; } } }