private void Search()
{
List <Expression <Func <Shift, bool> > > expressions = new List <Expression <Func <Shift, bool> > >();
if (!chkAllStatus.Checked)
{
GlobalConstants.StatusValue statusValue;
Enum.TryParse <GlobalConstants.StatusValue>((chkUsing.Checked ? GlobalConstants.StatusValue.Using.ToString() : GlobalConstants.StatusValue.NoUse.ToString()), out statusValue);
expressions.Add(_ => _.Status == statusValue);
}
dgvDuLieu.DataSource = _shiftRepository.Find(expressions);
Control();
}
