Complex forms often lead to complex controllers, but that doesn't have to be the case. In this episode see how you can create multiple models through a single form while keeping the controller clean.

In this third and final episode on complex forms I will show you how to edit a project and multiple tasks all in one form. This includes removing and adding tasks dynamically as well. See the show notes for updated code.

See how to use Javascript and RJS to add and remove form fields dynamically. This episode will build upon the previous episode allowing you to create any number of tasks in one form the same time a project is created.

Formtastic is a concise way to generate form views. In this episode (part 1 of 2) I show how to generate both a simple form and a more complex one which is customized with options.

Rails 3 offers several new additions to validations. Here learn how to make a custom error_messages partial, reflect on validations, and clean up complex validations in a model.