How do I check if a property exists on a dynamic anonymous type in c#?

Question

I have an anonymous type object that I receive as a dynamic from a method I would like to check in a property exists on that object.

....
var settings = new          


        

Answer 1

This works for anonymous types, ExpandoObject, Nancy.DynamicDictionary or anything else that can be cast to IDictionary.

    public static bool PropertyExists(dynamic obj, string name) {
        if (obj == null) return false;
        if (obj is IDictionary dict) {
            return dict.ContainsKey(name);
        }
        return obj.GetType().GetProperty(name) != null;
    }