How to databind a gridview to an ExpandoObject

Question

When I try to databind an ASP.NET GridView to an IEnumerable using an ObjectDataSource, I get the following excep

Answer 1

The opensource framework Impromptu-Interface can do this. It has a method for exposing dynamic object properties for reflection by passing in a dictionary of property names->types.

IEnumerable tProxiedObject = listOfExpandos.Select(x=>Impromptu.ActLikeProperties(x, x.ToDictionary(k=>k.Key,v=>typeof(object))));