protected override void Validate(HRPaidTimeOffDataContext db, ref ENTValidationErrors validationErrors)
 {
     if (OwnerGroupName.Trim() == "")
     {
         validationErrors.Add("The name is required.");
     }
     else
     {
         //The name must be unique within a workflow.
         if (new ENTWFOwnerGroupData().IsNameUnique(db, OwnerGroupName, ENTWorkflowId, ID) == false)
         {
             validationErrors.Add("The name must be unique.");
         }
     }
 }