public static void InsertCustomer(
string id,
string companyName,
string contactName = null,
string contactTitle = null,
string address = null,
string city = null,
string region = null,
string postalCode = null,
string country = null,
string phone = null,
string fax = null
)
{
using (new UnitOfWorkScope(true))
{
Customer customer = new Customer();
customer.CustomerID = id;
customer.CompanyName = companyName;
customer.ContactName = contactName;
customer.ContactTitle = contactTitle;
customer.Address = address;
customer.City = city;
customer.Region = region;
customer.PostalCode = postalCode;
customer.Country = country;
customer.Phone = phone;
customer.Fax = fax;
UnitOfWorkScope.NorthwindContext.Customers.Add(customer);
}
}
public static void TestUnion(Customer c)
{
var test = c.Orders.Union(c.Orders2).Select(o => o.Id);
}
public static void LINQJoinIntoMethod(Customer c)
{
var q = c.Orders.GroupJoin(c.Orders2, o => o.Id, o2 => o2.Id, (o, o2s) => new { O = o, Os = o2s }).SelectMany(oo => oo.Os.DefaultIfEmpty(), (o, o2) => new {OrderOrder = o, Order2 = o2 }).Select(oo => new { oo.OrderOrder.O.Date, Date2 = oo.Order2.Date });
}
public static void LINQJoinInto(Customer c)
{
var q = from o in c.Orders
join o2 in c.Orders2 on o.Id equals o2.Id into os
from o2 in os.DefaultIfEmpty()
select new { o.Date, Date2 = o2.Date };
}
public void DoSomethingWithCustomer()
{
var myCustomer = new Customer();
PrintCustomer(myCustomer);
}
