private void ControlsToData()
{
_calibrationReq = null;
if (lvList.Items.Count > 0)
{
_calibrationReq = new List<HardwareItemDescriptionCalibrationRequirement>();
foreach (ListViewItem lvi in lvList.Items)
{
var calibreq = (HardwareItemDescriptionCalibrationRequirement) lvi.Tag;
_calibrationReq.Add(calibreq);
}
}
}