DE70/Model/CDMDbContext.cs

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

namespace SafeBagDE70.Model
{
    internal class CDMDbContext:DbContext
    {
        public DbSet<History> Histories { get; set; }
        public DbSet<Customer> Customers { get; set; }
        public DbSet<DeviceEvent> DeviceEvents { get; set; }
        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
        {
            optionsBuilder.UseSqlServer("Server=.\\SQLEXPRESS;Database=CDMLOCAL;User Id=cdm;Password=Navis@123;Trusted_Connection=False;TrustServerCertificate=True");
        }
    }
    public class History
    {
        [Key]
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        public int Id { get; set; }

        public DateTime? DepositTime { get; set; }

        public string UserCode { get; set; }

        public string Data { get; set; }

        public bool? IsSent { get; set; }

        public DateTime? SyncTime { get; set; }

        public string Status { get; set; }
    }
    public class DeviceEvent
    {
        [Key]
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        public int Id { get; set; }
        public string Data { get; set; }

        public bool? IsSent { get; set; }

        public DateTime? SyncTime { get; set; }
        public DateTime? DeviceTime { get; set; }
    }
    public class Customer
    {
        public int Id { get; set; } 
        public string? TenantName { get; set; } 
        public string? TenantCode { get; set; } 
        public string? AccountNumber { get; set; } 
        public string? AccountHolder { get; set; } 
        public string? PinCode { get; set; } 
        public DateTime? UpdatedTime { get; set; } 
    }
}