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John Neff (Ring2Media) が「#Visualforce」で質問
2015年10月20日 18:00

Error: Unknown property 'VisualforceArrayList.name' - How do I solve this?

Hello, 

I am trying to group results in a list by a field value, and am getting stuck.   I am using this article as a model: http://blog.jeffdouglas.com/2011/03/02/dynamically-group-display-query-results/

Here is my controller: 

 

public with sharing class SpotController{
public List <Job_Number__c> SPOT {get;set;}
public String[] campaigns {get;set;}
public void load() {
  SPOT = [Select id, name, Thumbnail_URL__c, ISCI__c, Title__c, Project__c, Campaign__r.Name from Job_Number__c WHERE Currently_Airing__c = TRUE];
  Set<String> campaignSet = new Set<String>();
  for (Job_Number__c j : SPOT)
      campaignSet.add(j.Campaign__r.Name);
      campaigns = new String[campaignSet.size()];
      Integer i = 0;
      for (String campaign : campaignSet) {
      campaigns[i] = campaign;
      i++;
        }
    }
}

But 

and here is my vf page: 

 

<apex:page controller="SpotController" action="{!load}">
<html>
  <apex:repeat value="{!campaigns}" var="campaign">
    <apex:pageBlock title="{!campaign}">
      <apex:repeat value="{!SPOT}" var="spot">
          {!SPOT.name} 
        <apex:outputPanel >
        </apex:outputPanel>
      </apex:repeat>
    </apex:pageBlock>
  </apex:repeat>
</html>
</apex:page>

But I am getting an error when I try to pull in any fields from the Job_Number__c object.  Error: Unknown property 'VisualforceArrayList.name'

Can anyone help?  Thanks so much in advance!
6 件の回答
  1. Chandra Prakash Pandey
    2015年10月20日 18:17

    Hi John,

    Just Correction you need to change var property for spot collection repeater from spot to spotObj or something else I.E.

    Replace 

    <apex:repeat value="{!SPOT}" var="spot">
        {!SPOT.name} 
        <apex:outputPanel >
        </apex:outputPanel>
    </apex:repeat>

    To

     

    <apex:repeat value="{!SPOT}" var="spotObj">
        {!spotObj.name} 
        <apex:outputPanel >
        </apex:outputPanel>
    </apex:repeat>

    by doing this your problem will resolve.

    Regards,

    Chandra Prakash

    Happy Coding! :)
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