Visualforce page with custom conroller not available for button

Question

I found many related articles on this, but the details of my situation don't seem to line up with the common queries.

I have a VF Page that I want to pull information from via the current account. So, the controller is an Apex class that gets all of that.

When I try to use this VF Page for the button (trying both Detail and List Button), it does not appear.

I tried: StandardListController = "AccountRenewal" (that's the .apxc) and get:

'Unsupported attribute standardListController in in AccountRenewal at line 1'

I tried: recordSetVar='accountrenewal' and get:

No standard controller was specified - recordSetVar cannot be used.

I try then adding StandardController="AccountRenewal" alongside that to appease it, but since that's my apex class, not a standard controller, it says it does not exist.

Suggestions?

Answer 1

Recommended reading: Difference between controller and extensions

Here you are working on writing a Controller Extension. You add this Apex Class to your page via the extensions attribute on the <apex:page> tag.

---

If you want to enable a Detail Button on Account, your Visualforce Page must use the standardController attribute.

<apex:page standardController="Account" extensions="AccountRenewal">

Then your class needs a constructor that accepts this standardController as a parameter.

public with sharing class AccountRenewal
{
    public AccountRenewal(ApexPages.StandardController controller)
    {
        // extension constructor logic
    }
}

---

If you want instead to enable a List Button on Account, your Visualforce Page must use the recordSetVar attribute in addition to the standardController attribute.

<apex:page standardController="Account" recordSetVar="accounts" extensions="AccountRenewal">

Then your class needs a constructor that accepts standardSetController as a parameter.

public with sharing class AccountRenewal
{
    public AccountRenewal(ApexPages.StandardSetController controller)
    {
        // extension constructor logic
    }
}