private void UpdateRacksize(bool textChanged = false )
{
if (rdoRack.Checked)
{
_rackUSize = edtTextRack.GetValue<double>();
edtTextRack.Tag = "R";
}
if (rdoInch.Checked)
{
_rackUSize = Math.Round((edtTextRack.GetValue<double>()) / 1.75, 2);
edtTextRack.Tag = "I";
}
if (rdoMilli.Checked)
{
_rackUSize = Math.Round((edtTextRack.GetValue<double>() / 44.45), 2);
edtTextRack.Tag = "M";
}
_rackUSizeInches = Math.Round(_rackUSize * 1.75, 2);
_rackUSizeMilli = Math.Round(_rackUSize * 44.45, 2);
label2.Text = _rackUSize + @" Rack Unit(s)";
}