protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) { string connectionString = ConfigCli.ConnectionString(IsFrameworkDb); UtilFramework.Assert(string.IsNullOrEmpty(connectionString) == false, "ConnectionString is null!"); optionsBuilder.UseSqlServer(connectionString); optionsBuilder.UseQueryTrackingBehavior(QueryTrackingBehavior.NoTracking); }