Ajuda Reflection

        public static DataTable ListToDataTable<T>(List<T> list)
        {         
            DataTable dt = new DataTable();
            foreach (PropertyInfo info in typeof(T).GetProperties())
            {
                Type tipo = info.PropertyType;
                if (tipo.IsGenericType && tipo.GetGenericTypeDefinition() == typeof(Nullable))
                    tipo = Nullable.GetUnderlyingType(tipo);
                dt.Columns.Add(new DataColumn(info.Name, tipo));
            }
            foreach (T t in list)
            {
                DataRow row = dt.NewRow();
                foreach (PropertyInfo info in typeof(T).GetProperties())
                {
                    object value = info.GetValue(t, null);
                    if (value != null)
                    {
                        row[info.Name] = value;
                    }
                    else
                    {
                        row[info.Name] = DBNull.Value;
                    }
                }
                dt.Rows.Add(row);
            }
            return dt;
        }