Introduce yourself, please!
After a lot of request from user to make it possible to restore accidentally removed questionnaires, we attempted to complicate the process of removal so as to reduce the number of accidental functioning. But this wouldn't work. The users continued to remove their questionnaires by carelessness. As a result, we decide to realize a two-level removal: at the first stage, the questionnaire is only marked as removal. In reality, you can do away with it only from the list of removed questionnaires. You can also restore it from this very list. A number of changes in the mechanism of test results preservation have additionally been entered to prevent the loss of respondent answers due to the wrong adjustment of form parameters.