protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) { if (!optionsBuilder.IsConfigured) { connectionString = DbConnectionFactory.CreateDefaultInstance().GetConnectionString(); optionsBuilder.UseSqlServer(connectionString); //#warning To protect potentially sensitive information in your connection string, you should move it out of source code. See http://go.microsoft.com/fwlink/?LinkId=723263 for guidance on storing connection strings. // optionsBuilder.UseSqlServer("Server=s0134dbtemp;Database=ProductCatalog;user=quantra; password=quantra2;pooling=true; Max Pool Size=100; Min Pool Size=8"); } }