| <?xml version="1.0" encoding="UTF-8"?> | 
| <ValidationRule xmlns="http://soap.sforce.com/2006/04/metadata"> | 
|     <fullName>Is_Active_Hospital</fullName> | 
|     <active>true</active> | 
|     <errorConditionFormula>(Isnew() || Ischanged(Hospital__c) || Ischanged(segment__c)) && OR ( | 
| /* 和科室的医院不一样  ==> 报错 */ | 
| Hospital__c <> segment__r.Parent.ParentId | 
| )</errorConditionFormula> | 
|     <errorDisplayField>Hospital__c</errorDisplayField> | 
|     <errorMessage>和科室的医院不一样</errorMessage> | 
| </ValidationRule> |