public function Validate()
 {
     $blnToReturn = parent::Validate();
     if ($this->dtxDateStart->DateTime && $this->dtxDateEnd->DateTime && $this->dtxDateEnd->DateTime->IsEarlierThan($this->dtxDateStart->DateTime)) {
         $this->dtxDateEnd->Warning = 'Must be later than Start Date';
         $blnToReturn = false;
     }
     return $blnToReturn;
 }
 public function Validate()
 {
     $blnToReturn = parent::Validate();
     $this->mctGrowthGroup->GrowthGroup->MeetingBitmap = 0;
     foreach ($this->cblMeetings->SelectedValues as $intValue) {
         $this->mctGrowthGroup->GrowthGroup->MeetingBitmap = $this->mctGrowthGroup->GrowthGroup->MeetingBitmap | $intValue;
     }
     if (!$this->mctGrowthGroup->GrowthGroup->MeetingBitmap) {
         $this->cblMeetings->Warning = 'Must select at least one';
         $blnToReturn = false;
     }
     return $blnToReturn;
 }