public CrmQuery(CrmAttributeCriterion criterion)
 {
     _attributes = new List<CrmAttributeCriterion>();
     if (criterion != null)
         _attributes.Add(criterion);
     LogicalOperator = CrmLogicalOperator.And;
 }
 public void AddCondition(CrmAttributeCriterion criterion)
 {
     _attributes.Add(criterion);
 }