private void reviseCalculatedFields()
{
if (_facility != null)
{
txtSurfaceVolume.Text = (this.slopedFacilityBindingSource.Current as SlopedFacility).SurfaceCapacityAtDepth1CuFt.ToString();
txtInfiltrationArea.Text = (this.slopedFacilityBindingSource.Current as SlopedFacility).InfiltAreaAt75PercentDepth1SqFt.ToString();
txtRockStorageArea.Text = (this.slopedFacilityBindingSource.Current as SlopedFacility).RockStorageBottomAreaSqFt.ToString();
txtRockStorageVolume.Text = (this.slopedFacilityBindingSource.Current as SlopedFacility).RockStorageCapacityCuFt.ToString();
}
this.Refresh();
}