摘要： Building Query Expressions//1、Compiling Expression TreesProducts.DeleteAllOnSubmit (Products.Where (p => p.ID == 999));Products.InsertOnSubmit (new Product { ID = 999, Description = "Test", LastSale = DateTime.Now } );SubmitChanges();Product[] localProducts = Products.ToArray();Expressi 阅读全文

摘要： //LINQ to SQL//1、Baisc queryCustomers.Single (c => c.ID == 2) .Dump ("Customer With ID Of 2");//2、AssociationsCustomer cust1 = Customers.OrderBy (c => c.Name).First();foreach (Purchase p In cust1.Purchases)Console.WriteLine (p.Price);//3、 Retrieve the customer who made the lowest val 阅读全文