private void detach_Invoices(Invoice entity)
{
this.SendPropertyChanging();
entity.Customer = null;
}
private void attach_Invoices(Invoice entity)
{
this.SendPropertyChanging();
entity.Customer = this;
}
partial void DeleteInvoice(Invoice instance);
partial void UpdateInvoice(Invoice instance);
partial void InsertInvoice(Invoice instance);
private void FormLinqSample_Load(object sender, EventArgs e)
{
MMABooksDataContext db = new MMABooksDataContext();
var inv = from c in db.Customers
join i in db.Invoices
on c.CustomerID equals i.CustomerID
orderby c.Name
select new { c.Name, i.InvoiceDate, i.InvoiceTotal };
foreach (var i in inv)
{
Console.WriteLine(String.Format("{0}, {1}, {2}", i.Name, i.InvoiceDate, i.InvoiceTotal));
}
var customers = from c in db.Customers
orderby c.Name
select c;
var list = new List<Customer>();
foreach (Customer c in customers)
{
list.Add(c);
}
var reduced = from c in list
where CheckName(c.Name, "ub")
select c;
foreach (Customer c in reduced)
{
listBox1.Items.Add(c.Name);
}
foreach (Customer c in customers)
{
c.Name.Replace("ub", "--ub--");
}
db.SubmitChanges();
foreach (Customer c in customers)
{
c.Name.Replace("--ub--", "ub");
}
db.SubmitChanges();
Customer me = new Customer();
me.Name = "Stublen, Neal";
me.Address = "12345 College Ave.";
me.City = "Overland Park";
me.State = "KS";
me.ZipCode = "66???";
db.Customers.InsertOnSubmit(me);
db.SubmitChanges();
Invoice invoice = new Invoice();
invoice.InvoiceDate = DateTime.Now;
me.Invoices.Add(invoice);
db.SubmitChanges();
}