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copied!<p>Although I am not clear about the aim of your question, you can do things like this:</p> <h2>One-to-many relationship</h2> <p>A company can have only one country of origin. But a country can have many companies.</p> <pre><code>public class Country { public int ID{get; set;} public string CountryName{get; set;} public List<Company> Items{get; set;} public int SaveOrUpdate(){} public static Country Get(int id){} public static List<Country> Get(){} public bool Delete(){} } public class Company { public int ID {get; set;} public string CompanyName{get; set;} public int CountryID{get; set;} public Country Country{get; set;} public int SaveOrUpdate() {} public static Company Get(int id) {} public static List<Company> Get(){} public bool Delete() {} } </code></pre> <h2>Master-Detail relationship</h2> <pre><code>public class Order { public int ID {get;set;} public DateTime OrderDate {get;set;} public List<OrderDetail> Items {get;set;} public int SaveOrUpdate(){} public static Order Get(int id){} public static List<Order> Get(){} public bool Delete(){} } public class OrderDetail { public int OrderID{get;set;} public string ProductName{get;set;} public double Price{get;set;}{get;set;} public Order Order {get;} public static void Save(TransactionContext tc, int masterID, List<OrderDetail> items){} public static void Delete(TransactionContext tc, int masterID){} public static List<OrderDetail> Get(TransactionContext tc, int masterID){} } </code></pre>

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