![]() Head on over to the GitHub page today and look at the documentation to start using it in your projects. Creating your own custom validators is also very simple. ![]() There are plenty of built in validators that you can use such as verifying a credit card or e-mail address. Just open up the NuGet package manager and search for .įluentValidation is a very powerful framework. Previously, before upgrading to MVC 2 was using the MS data annotation library so had this in my : new. If you use Ninject, there is already a NuGet package that has a validator factory that you can use. If you are using Dependency Injection then you can also create your own validator factory that will wire up the validators for you so you don't need to register the type of validator on each model you create. These steps are no different than using DataAnnotations so it's very simple to convert a site to use the framework. You need to include jQuery, jQuery Validation and optionally include jQuery Unobtrusive Validation scripts. The same rules apply when using client side validation. That is all that is needed to use FluentValidation. Add the following attribute to our RegistrationModel class: Now that we have our validations in place, we need to update our model to include an attribute that will wire up the validation with MVC. User must have at least one child but can not have 13 (we are very superstitious).So it can be used for pairs of dates, times, integers, and strings, for example. The Date of Birth must be greater than or equal to todays date 18 years ago (to confirm they are 18 or older). Borrowing heavily from the responses from Alexander Gore and Jaime Marín in a related StackOverflow question 1, I created five classes that enable comparing two fields in the same model using GT, GE, EQ, LE, and LT operators, provided they implement IComparable.Password confirmation is required and must match the password.Password is required and must be between 1 and 50 characters long.Username is required and must be between 1 and 256 characters long.We have defined the following rules for our model: Once you have done this we can create a new Model class that will be used by one of our Views/Controllers: ![]() In the Application_Start method in Global.asax, add the following line:į() ![]() You need to add a single line to your project to configure the framework to work with MVC. Once the assemblies are added to the Solution, you can close the Package Manager and open the Global.asax file in the root directory of your project. ![]()
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