How to get DisplayAttribute of a property by Reflection?

Question

I have a Helper method like this to get me the PropertyName (trying to avoid magic strings)

public static string GetPropertyName(Expression

        

Answer 1

This should work:

public static string GetPropertyName<T>(Expression<Func<T>> expression)
{
    MemberExpression propertyExpression = (MemberExpression)expression.Body;
    MemberInfo propertyMember = propertyExpression.Member;

    Object[] displayAttributes = propertyMember.GetCustomAttributes(typeof(DisplayAttribute), true);
    if(displayAttributes != null && displayAttributes.Length == 1)
        return ((DisplayAttribute)displayAttributes[0]).Name;

    return propertyMember.Name;
}