private void LoadUsers()
{
List <EMPLOYEE> users = _basicService.LoadAllEMPLOYEE(_businessParam).OrderBy(c => c.NAME).ToList();
users.Insert(0, new EMPLOYEE {
NAME = "---", ID_EMPLOYEE = -1
});
cboUser.DataSource = users;
cboUser.DisplayMember = "NAME";
cboUser.ValueMember = "ID_EMPLOYEE";
}
