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| -rw-r--r-- | actionpack/CHANGELOG.md | 3 | ||||
| -rw-r--r-- | guides/source/form_helpers.textile | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/actionpack/CHANGELOG.md b/actionpack/CHANGELOG.md index b819f2e613..9033dda911 100644 --- a/actionpack/CHANGELOG.md +++ b/actionpack/CHANGELOG.md @@ -1,5 +1,8 @@ ## Rails 4.0.0 (unreleased) ## +* The `select` method (select tag) forces :include_blank if `required` is true and + `display size` is one and `multiple` is not true. *Angelo Capilleri* + * `respond_to` and `respond_with` now raise ActionController::UnknownFormat instead of directly returning head 406. The exception is rescued and converted to 406 in the exception handling middleware. *Steven Soroka* diff --git a/guides/source/form_helpers.textile b/guides/source/form_helpers.textile index b6420db798..b2c05492ab 100644 --- a/guides/source/form_helpers.textile +++ b/guides/source/form_helpers.textile @@ -405,6 +405,8 @@ Whenever Rails sees that the internal value of an option being generated matches TIP: The second argument to +options_for_select+ must be exactly equal to the desired internal value. In particular if the value is the integer 2 you cannot pass "2" to +options_for_select+ -- you must pass 2. Be aware of values extracted from the +params+ hash as they are all strings. +WARNING: +:include_blank+ is forced true if the attributes +required+ is true, display +size+ is one and +multiple+ is not true. + h4. Select Boxes for Dealing with Models In most cases form controls will be tied to a specific database model and as you might expect Rails provides helpers tailored for that purpose. Consistent with other form helpers, when dealing with models you drop the +_tag+ suffix from +select_tag+: |