private void SetNumericProperty(string propertyName, object newValue)
{
var doubleValue = Convert.ToDouble(newValue, CultureInfo.CurrentCulture);
if (propertyName == EffortProperty)
{
EntityContainer.AddEffort(this, doubleValue);
}
else if (newValue != null || doubleValue >= 0)
{
SetPropertyInternal(propertyName, doubleValue);
}
}