Join Kevin Skoglund for an in-depth discussion in this video Create action: New, part of Ruby on Rails 4 Essential Training.
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…Now that we understand the basics of forms, we're…ready to implement the create actions in our controller.…The create part of CRUD is made up of two standard actions: new and create.…They work together.…The new action displays a web form that we…can fill out and submit to the create action.…Create action handles the form processing.…Let's focus on the new action in this movie.…Lets start by adding a link from the Index template to take us to the new action.…So you want to go to Views > Subjects > index.html.erb.…And then where it says add new subject, we'll replace this place holder…with a hash, and that hash is going to be for action new.…
You don't need to provide an ID with it, because there's nothing for us…to look up in the database, we're going to be creating a new subject from scratch.…So that'll give us a link to take us to the action.…Before we create the action, let's go ahead…and actually add the new template as well.…So switch to Views > Subjects > new.html.erb.…Then I'm going to paste in a web form here.…
- Why use Ruby on Rails?
- Installing Ruby on Rails on Mac and Windows
- Rendering templates and redirecting requests
- Generating and running database migrations
- Creating, updating, and deleting records
- Understanding association types
- Using layouts, partials, and view helpers
- Incorporating assets using asset pipeline
- Validating form data
- Authenticating users and managing user access
- Architecting RESTful applications
- Debugging and error handing
Skill Level Beginner
1. What Is Ruby on Rails?
2. Installing Ruby on Rails on a Mac
3. Installing Ruby on Rails on a Windows Machine
4. Getting Started
5. Controllers, Views, and Dynamic Content
6. Databases and Migrations
7. Models, ActiveRecord, and ActiveRelation
9. Controllers and CRUD
10. Layouts, Partials, and View Helpers
13. Data Validation
14. User Authentication
15. Improving the Simple CMS
16. REST and RESTful Routes
17. Debugging and Error Handling
18. Introducing More Advanced Topics
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