public void ModifyManager(Manager pManager)
{
DataContextDataContext dc = new DataContextDataContext();
dc.update_user(pManager.name, pManager.pwd, pManager.mail);
}
public void ModifyCustom(Customer pCustom)
{
DataContextDataContext dc = new DataContextDataContext();
dc.update_user(pCustom.name, pCustom.pwd, pCustom.mail);
}