public CustomerReply registerItem(VendingItems Itemreg)
        {
            Console.WriteLine("In register New Item");
            CustomerReply Itemreply = new CustomerReply();

            ItemRegistration.GetInstance().Add(Itemreg);
            Itemreply.Name = Itemreg.Name;
            Itemreply.Exp  = Itemreg.Exp;
            Itemreply.RegistrationNumber = Itemreg.RegistrationNumber;
            Itemreply.RegistrationStatus = "Successful";
            return(Itemreply);
        }
 public String PutStudentRecord(VendingItems item)
 {
     Console.WriteLine("In update item informations");
     return(ItemRegistration.GetInstance().UpdateItem(item));
 }