/// <summary>
/// Get all travel Requests in a hyrarichel manner with request at top and pax underneath
/// </summary>
/// <returns>Dataset with 2 tables. Parent & child. Parent Table = Request, Child table = Pax</returns>
public DataSet GetRequestList()
{
DAL_TRV_Request TRequest = new DAL_TRV_Request();
try { return(TRequest.GET_TravelRequest()); }
catch { throw; }
}