Translations:Expression Manager examples/93/en
From LimeSurvey Manual
| Purpose | Hide question if answer from previous question is empty |
| Type | Question Relevance |
| Example | Question one: question code "name", question text "What's your name?" Question two: question text "{name}, how old are you?" To do: Hide question two if the textfield of question one is empty |
| Expression | !is_empty(name) |
| Description | is_empty() determines whether a variable is considered to be empty. The "!" negates the result. So if the variable is not empty the Expression will be true and the question is shown |
| Steps | Create/edit question two Insert "!is_empty(name)" into "Relevance equation:" |
| Sample File | Hide_question_if_empty_question_group.zip |
 
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