Expand my Community achievements bar.

Dive into Adobe Summit 2024! Explore curated list of AEM sessions & labs, register, connect with experts, ask questions, engage, and share insights. Don't miss the excitement.
SOLVED

limit checkbox to two?

Avatar

Level 1

I am attempting to create a form that will have several checkboxes, but I want people to be able to only select two.  Or, if I can use radio buttons that would be fine also, as long as two can be selected at once in the same group.  How do I do this?

1 Accepted Solution

Avatar

Correct answer by
Former Community Member

John Brinkmann has written 3 spearate blogs on exclusion groups and shows how to do this. Here is the 3rd entry, it has links the the other two inside.

http://blogs.adobe.com/formfeed/2008/10/exclusion_groups_v30.html

View solution in original post

1 Reply

Avatar

Correct answer by
Former Community Member

John Brinkmann has written 3 spearate blogs on exclusion groups and shows how to do this. Here is the 3rd entry, it has links the the other two inside.

http://blogs.adobe.com/formfeed/2008/10/exclusion_groups_v30.html

The following has evaluated to null or missing: ==> liqladmin("SELECT id, value FROM metrics WHERE id = 'net_accepted_solutions' and user.id = '${acceptedAnswer.author.id}'").data.items [in template "analytics-container" at line 83, column 41] ---- Tip: It's the step after the last dot that caused this error, not those before it. ---- Tip: If the failing expression is known to be legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)?? ---- ---- FTL stack trace ("~" means nesting-related): - Failed at: #assign answerAuthorNetSolutions = li... [in template "analytics-container" at line 83, column 5] ----