There are a couple of things to notice about the two attributes used in the current version of the class Article. Most of the time, the editor is a textbox but a Boolean property would require a checkbox. You may notice that each public property gets an “editor” in the form of ad hoc markup. Using Html.EditorFor with an annotated view model class. Figure 1 shows the actual result:įIGURE 1. This is one of the predefined editor helpers that gets an object-in the sample, an instance of the Article class-and renders it out within a fixed template. The CSS classes you see in the code snippet that are not prefixed with “gladiator” are all coming from the Twitter’s popular Bootstrap framework.Īs you can see, the core of the form is in the call to Html. Here’s a sample class annotated with a few attributes.Īs a side note, imagine that this code is an excerpt from a page taken from a personal site-codenamed Gladiator. To start using data annotations, you need to reference the assembly. Data annotations include both rendering and validation attributes. By using data annotations, you decorate your classes with metadata.
Mvc net data annotations how to#
Using Data Annotationsĭata annotations are attributes that instruct listeners on how to display or edit data. Where you don’t need a special form layout, data annotations can save you a lot of time. These tools include data annotations and template-based HTML helpers conventions include some predefined CSS classes that designers can overwrite to introduce a more appealing look-and-feel. When you’re writing the admin panel for the data in a site, for example, a plain CRUD-inspired set of views are quite good enough.ĪSP.NET MVC offers a few conventions and built-in tools to speed up this aspect of form development. Sometimes, there isn’t any need to spend much time on laying out elements.
Although input forms often contain images and require the specific placement of fields, there are plenty of times that they don’t.
Input forms play a significant part in the organization of most web views.
0 kommentar(er)
