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The Weld documentation states that the javax.enterprise.inject.Model annotation is designed for Controllers (logical because it marks bean as @RequestScoped and @Named).
But why is it named as Model instead of Controller?
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Data Annotations are nothing but certain validations that we put in our models to validate the input from the user. ASP.NET MVC provides a unique feature in which we can validate the models using the Data Annotation attribute. Import the following namespace to use data annotations in the application.
Answers. You have added the Assessment type as a parameter in the post action method. Hence MVC try to create a new instance of Assessment class. If the value for Title field is not provided in the view, then it will try to set the value for Title property as null.
ComponentModel. DataAnnotations Namespace. Provides attribute classes that are used to define metadata for ASP.NET MVC and ASP.NET data controls.
In Asp.net MVC, we can easily apply validation to web application by using Data Annotation attribute classes to model class. Data Annotation attribute classes are present in System.
Because the specification does not assume you use a pattern that involves having controllers in the first place.
There's other patterns and naming conventions out there. For example seam uses a "Action" instead of "Controller" (all though those concepts do not map entirely)
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