| <?xml version="1.0" encoding="UTF-8"?> | 
| <ValidationRule xmlns="http://soap.sforce.com/2006/04/metadata"> | 
|     <fullName>Cancel_reason_not_null</fullName> | 
|     <active>true</active> | 
|     <description>请输入取消理由</description> | 
|     <errorConditionFormula>Cancel_Select__c && | 
| NOT(Text(Received_Confirm__c) == 'NG') && | 
| ISBLANK(Cancel_Reason__c)</errorConditionFormula> | 
|     <errorDisplayField>Cancel_Reason__c</errorDisplayField> | 
|     <errorMessage>请输入取消理由</errorMessage> | 
| </ValidationRule> |