public static void SaveTariff(Tariff tariff)
{
if (tariff == null)
{
return;
}
using (var dc = new DataContext(_connectionString))
{
var table = dc.GetTable <Tariff>();
var oldTariff = table.FirstOrDefault(a => a.ID == tariff.ID);
if (oldTariff == null)
{
table.InsertOnSubmit(tariff);
}
else
{
tariff.CopyTo(oldTariff);
}
dc.SubmitChanges();
}
}
