What are data annotations in ASP.NET MVC?
An example of an AI chatbot conversation about data annotations in ASP.NET MVC.
What are data annotations in ASP.NET MVC?
Data annotations are attributes used in ASP.NET MVC to add metadata to model properties, enabling validation and formatting.
Can you give me some examples of data annotations?
Sure! Common data annotations include [Required], [StringLength], [Range], and [EmailAddress]. They help enforce rules on user input.
How do I implement data annotations in my model?
You simply decorate your model properties with the desired data annotation attributes. For example, public string Name { get; set; } [Required].
What happens if validation fails?
If validation fails, the model state will be invalid, and you can display error messages to the user in your view.
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