ASP. net mvc learning 7. Add validation attributes for the fields of Model Class (validation attribuate)

Reference: http://www.asp.net/mvc/tutorials/mvc-4/getting-started-with-aspnet-mvc4/adding-validation-to-the-model

Content:

], [], [] Update Model Class

Movie
{
ID {;;}

[Required]
Title {;;}

[DisplayFormat (DataFormatString =)]
DateTime ReleaseDate {;;}

[Required]
Genre {;;}

[Range (,)]
[DisplayFormat (DataFormatString =)]
Price {;;}

[StringLength ()]
Rating {;;}
} View Code

Run the program:

Databasetable

1,

ActionResult Index ()
{
MovieDBContext db = MovieDBContext ();

Movie movie = Movie ();
Movie. Title =;
Movie. Price =;

Db. Movies. Add (movie );
Db. SaveChanges ();
View (db. Movies. ToList ());
} View Code

 

 

II,
We add a new

Movie class [Require] validation attribute

 

 

III,

ModelState.IsValidComeCreate

ActionResult Create (Movie movie)
{
(ModelState. IsValid)
{
Db. Movies. Add (movie );
Db. SaveChanges ();
RedirectToAction ();
}

View (movie );
} View Code

 

2, ActionResult Create

ModelState. IsValid = false

Equivalent

IV,
A set of built-in view template models are also provided.

DataType.DateRegularExpression

As a result, data sources are created to support 'moviedbcontext'The content model has changed

Detail Template Delete Template

See You...