private void AddFilterHandlers()
{
CustomerFilter.EnergyFilterChecked += HandleEneryFilterChecked;
CustomerFilter.EnergyFilterUnchecked += HandleEneryFilterUnchecked;
CustomerFilter.CapgeminiFilterChecked += HandleCapgeminiFilterChecked;
CustomerFilter.CapgeminiFilterUnchecked += HandleCapgeminiFilterUnchecked;
CustomerFilter.OtherFilterChecked += HandleOtherFilterChecked;
CustomerFilter.OtherFilterUnchecked += HandleOtherFilterUnchecked;
CustomerFilter.NdcFilterChecked += HandleNdcFilterChecked;
CustomerFilter.NdcFilterUnchecked += HandleNdcFilterUnchecked;
}