using DatabaseImplement.Models; using Microsoft.EntityFrameworkCore; using System; using System.Collections.Generic; using System.ComponentModel; using System.Linq; using System.Text; using System.Threading.Tasks; namespace DatabaseImplement { public class LibraryDatabase:DbContext { protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) { if (optionsBuilder.IsConfigured == false) { optionsBuilder.UseSqlServer(@"Data Source=DESKTOP-7A1PHA0\SQLEXPRESS; Initial Catalog=LibraryDatabase; Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True"); } base.OnConfiguring(optionsBuilder); } public virtual DbSet Books { set; get; } public virtual DbSet Authors { set; get; } } }