C# Extension method for checking attributes

Question

Sorry if this is a stupid noob question please be gentle with me I\'m trying to learn...

I want to test against the attribute methods of things like models and controlle

Answer 1

You're looking for the Reflection class - it allows you to examine a passed object.

But frankly other than a learning exercise this is what Interfaces exist for, if you want there to be a field called Required in a model, or a method called IsRequired in a controller than implement in an interface and require that interface be implemented.

Specifically for attributes see here:

Type t = something;
System.Console.WriteLine("Author information for {0}", t);
System.Attribute[] attrs = System.Attribute.GetCustomAttributes(t);  // reflection

foreach (System.Attribute attr in attrs)
{
    if (attr is Author)
    {
        Author a = (Author)attr;
            System.Console.WriteLine("   {0}, version {1:f}", a.GetName(), a.version);
    }
}