How can I use attributes in ASP.NET?

How can I use attributes in ASP.NET?

In ASP.NET, attributes are used to add metadata to classes, methods, and properties. They can control behavior, validation, and routing.

Can you give me an example of a custom attribute?

Sure! You can create a custom attribute by inheriting from the Attribute class. For example:

[AttributeUsage(AttributeTargets.Class)]
public class MyCustomAttribute : Attribute
{
    public string Description { get; set; }
}

How do I apply this custom attribute to a class?

You can apply it like this:

[MyCustomAttribute(Description = "This is a custom class.")]
public class MyClass
{
    // Class implementation
}

What are some built-in attributes I can use?

Some built-in attributes include HttpGet, HttpPost, Required, and StringLength. They help with routing and validation.