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  • Dev Aggarwal
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4 replies

'Record is read-only' error on updating a field before deleting

I have a custom field 'number_of_contact__c' in Account. I am trying to set the value of this custom field to zero before deleting the record.
I am getting an error at line ' loopAccount.number_of_contact__c = 0;'.
  
trigger RemoveNumberofcontact on Account (after undelete, before delete) 
if (Trigger.isDelete == true)
{	List <Account> ListAccount = new List<Account>(Trigger.old);
 
	for (Account LoopAccount : ListAccount)    
    {
        loopAccount.number_of_contact__c = 0;
    }
 update(ListAccount);
}
  
}

Thanks
4 replies

'Record is read-only' error on updating a field before deleting

I have a custom field 'number_of_contact__c' in Account. I am trying to set the value of this custom field to zero before deleting the record.
I am getting an error at line ' loopAccount.number_of_contact__c = 0;'.
  
trigger RemoveNumberofcontact on Account (after undelete, before delete) 
if (Trigger.isDelete == true)
{	List <Account> ListAccount = new List<Account>(Trigger.old);
 
	for (Account LoopAccount : ListAccount)    
    {
        loopAccount.number_of_contact__c = 0;
    }
 update(ListAccount);
}
  
}

Thanks