By Rachel Appel Before an app stores data in a database, the app must validate the data.
You can test this by putting a break point in the HTTP Post method or using the fiddler tool or the IE 9 F12 developer tools.Validation is necessary although it can be redundant and tedious to implement.In MVC, validation happens on both the client and server. NET has abstracted validation into validation attributes.Open the The attributes listed above only provide hints for the view engine to format the data (and supply attributes such as for URL's and for email. The image below shows the release date and price using "fr-FR" as the culture.You can use the Regular Expression attribute to validate the format of the data. The image below shows the same data displayed with the default culture (English US).