public IEnumerable<Get_Coach_By_Train_ID_Result> GetCoachByTrainIDDAL(int trainid)
{
using (var orr = new Online_Railway_reservation_systemEntities())
{
orr.Configuration.ProxyCreationEnabled = false;
foreach (var item in orr.Get_Coach_By_Train_ID(trainid))
{
yield return item;
}
}
}
