public int SaveMedicineQuantity(MedicineQuantity medicineQuantity)
        {
            SqlConnection connection = new SqlConnection(connectionString);

            string query = "INSERT INTO DistributeMedicine VALUES('" + medicineQuantity.CenterId + "','" + medicineQuantity.MedicineId + "','" + medicineQuantity.Quantity + "')";

            SqlCommand command = new SqlCommand(query, connection);

            connection.Open();

            int rowsAffected = command.ExecuteNonQuery();

            connection.Close();

            return rowsAffected;
        }
 public int SaveMedicineQuantity(MedicineQuantity medicineQuantity)
 {
     return gateway.SaveMedicineQuantity(medicineQuantity);
 }