When should I use attributes in C#?

When should I use attributes in C#?

Attributes in C# are used to add metadata to your code, such as classes, methods, or properties. You should use them when you need to provide additional information that can be accessed at runtime, like for serialization, validation, or defining behaviors.

Can you give me an example of an attribute in C#?

Sure! A common example is the [Obsolete] attribute, which marks a method or class as outdated. This can help inform developers that they should avoid using it.

How do I create a custom attribute?

To create a custom attribute, define a class that inherits from System.Attribute. You can then add properties to your class to store any data you want.

Are there any built-in attributes I should know about?

Yes, some important built-in attributes include [Serializable], [DataContract], and [Route]. Each serves specific purposes in different contexts.