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