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Chris Lagarde
Visualforce error message with Apex class - Need assistance in diagnosing
I'm a Salesforce admin who is unfamiliar with diagnosing a Visualforce error. It was working until a few days ago. The user creates a campaign and copies the campaign ID. The user then goes to the Visualforce page and pastes the campaign id. Additionally, the user copies and pastes an email template id and clicks the Send button.
System.ListException Visualforce error pops up. Below is the jpg of the Visualforce page, the VF error, and the apex class it's referencing. Any ideas on how to solve this?
System.ListException: List index out of bounds: 0 Error is in expression '{!send}' in component <apex:commandButton> in page email_template_example: Class.EmailTemplateSelector.send: line 22, column 1 Class.EmailTemplateSelector.send: line 22, column 1
1 public class EmailTemplateSelector { 2 3 public string CampaiId{public get; public set;} 4 public string TemplateId{public get; public set;} 5 6 public PageReference send() 7 { 8 List<CampaignMember> cmp = [SELECT Full_Campaign_Member_ID__c, Contact_18_Digit_ID__c FROM CampaignMember where CampaignId in (SELECT Id FROM Campaign where Id = :CampaiId)]; 9 Messaging.SingleEmailMessage[] messages =new List<Messaging.SingleEmailMessage>(); 10 String[] sendBccAdd = new String[]{'dlewis@austinpartners.org'}; 11 12 for(CampaignMember A1 : cmp) 13 { 14 Messaging.SingleEmailMessage message = new Messaging.SingleEmailMessage(); 15 message.setTemplateId(TemplateId); 16 message.setTargetObjectId(A1.Contact_18_Digit_ID__c); 17 message.setBccAddresses(sendBccAdd); 18 messages.add(message); 19 } 20 21 Messaging.SendEmailResult[] results = Messaging.sendEmail(messages); 22 if (results[0].success) { 23 System.debug('The email was sent successfully.'); 24 } else { 25 System.debug('The email failed to send: '+ results[0].errors[0].message); 26 } 27 return null; 28 } 29 }
if (results[0].success) here we are getting null values thats why we are getting error : List index out of bounds: 0
to avoid this
Hope this helps you!
Thanks
Varaprasad
@For Support: varaprasad4sfdc@gmail.com
Hi Varaprasad,
Should I replace lines 22 -29 with your recommended code?
Chris
Where should I paste your code? Thanks.
When I try to save the code, I get the following error message:
Unfortunately, same compile error
Your issue is resolved or not.If the issue is resolved and above my solution helps you.please mark it as the best answer.
If any issues are there please let me know.
Thanks
Varaprasad
For Support: varaprasad4sfdc@gmail.com