public IEnumerable<Search_Ticket_By_PNR_Result> Search_Ticket_By_PNRDAL(string pnr)
{
using (var orr = new Online_Railway_reservation_systemEntities())
{
orr.Configuration.ProxyCreationEnabled = false;
foreach (var item in orr.Search_Ticket_By_PNR(pnr))
{
yield return item;
}
}
}
