Diplom_B/DB/MainDB.cs

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore;

namespace Diplom_B.DB
{
	public class MainDB : DbContext
	{
		public DbSet<Zakazchik> Zakazchiki { get; set; }
		public DbSet<User> Users { get; set; }
		public DbSet<Izdelie> Izdeliya { get; set; }
		public DbSet<Izveschenie> Izvescheniya { get; set; }

		public MainDB() {
			//Database.Migrate();
			Database.EnsureCreated();
		}

		protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
		{
			optionsBuilder.UseSqlite("Data Source=" + Directory.GetCurrentDirectory() + Path.DirectorySeparatorChar +  "Diplom_B.db;");
		}
		protected override void OnModelCreating(ModelBuilder modelBuilder) { }

	}
	public class User
	{
		[Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
		public int Id { get; set; }
		public string Name { get; set; }
		public string Pass { get; set; }
	}
	public class Zakazchik
	{
		[Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
		public int Id { get; set; }
		public string Name { get; set; }
		public string Adress { get; set; }
		public string Phone { get; set; }
		public string Email { get; set; }
	}
	public class Izdelie
	{
		[Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
		public int Id { get; set; }
		public string Name { get; set; }
		public string DecNum { get; set; }
		public string Shifr { get; set; }
		public string Litera { get; set; }
		public double Cena { get; set; }
		public int OtdelRazrab { get; set; }
		public string Ved { get; set; }
		public string GlavKonstr { get; set; }
	}
	public class Izveschenie
	{
		[Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
		public int Id { get; set; }
		public string IzvNum { get; set; }
		public int InvNum { get; set; }
		public int IzmNum { get; set; }
		public string UkazZad { get; set; }
		public string UkazVnedr { get; set; }
		public string FileName { get; set; }
		public byte[] FileStruct { get; set; }
	}

}