public void Add(WayBillRoute wayBillRoute)
{
if (list.Exists(item => item == wayBillRoute))
return;
list.Add(wayBillRoute);
}
protected override void loadFromSql()
{
DataTable dt = _provider.Select("WayBillRoute");
foreach (DataRow row in dt.Rows)
{
WayBillRoute wayBillRoute = new WayBillRoute(row);
Add(wayBillRoute);
}
}