/// <summary>
/// private method to create route data from a SearchCriteria object
/// used to pass search criteria in url
/// </summary>
/// <returns>the created RouteValueDictionary</returns>
public RouteValueDictionary GetRVD(SearchCriteria criteria)
{
var dict = criteria.GetDictionnary();
var rvd = new RouteValueDictionary(dict);
return rvd;
}