How can I use data annotations in ASP.NET?
An example of an AI chatbot conversation about using data annotations in ASP.NET for validation.
How can I use data annotations in ASP.NET?
You can use data annotations in ASP.NET to validate user input by applying attributes to your model properties.
What are some common data annotation attributes?
Common attributes include [Required], [StringLength], [Range], and [EmailAddress]. They help enforce validation rules.
Can I create custom data annotations?
Yes, you can create custom data annotations by inheriting from ValidationAttribute and implementing the IsValid method.
How do I display validation messages in the view?
You can use the Html.ValidationMessageFor helper in your Razor views to display validation messages next to the input fields.
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