//Retourne un Delivery_Time en fonction de son ID
        public Delivery_Time GetDelivery_Time(int id)
        {
            Delivery_Time delivery_time = null;

            try
            {
                using (SqlConnection cn = new SqlConnection(connectionString))
                {
                    string     query = "Select * from Delivery_Time WHERE Id = @id";
                    SqlCommand cmd   = new SqlCommand(query, cn);
                    cmd.Parameters.AddWithValue("@id", id);

                    cn.Open();

                    using (SqlDataReader dr = cmd.ExecuteReader())
                    {
                        if (dr.Read())
                        {
                            delivery_time = new Delivery_Time();
                            delivery_time.IdDelivery_Time = (int)dr["Id"];
                            delivery_time.Delivery_time   = (string)dr["Delivery_Time"];
                        }
                    }
                }
            }

            catch (Exception e)
            {
                throw e;
            }

            return(delivery_time);
        }
        //Retourne une liste de tous les Delivery_Time
        public List <Delivery_Time> GetAllDelivery_Time()
        {
            List <Delivery_Time> results = null;

            try
            {
                using (SqlConnection cn = new SqlConnection(connectionString))
                {
                    string     query = "SELECT * FROM Delivery_Time WHERE Delivery_Time.Delivery_Time >  CONVERT(VARCHAR(5), GETDATE(), 108);";
                    SqlCommand cmd   = new SqlCommand(query, cn);

                    cn.Open();

                    using (SqlDataReader dr = cmd.ExecuteReader())
                    {
                        while (dr.Read())
                        {
                            if (results == null)
                            {
                                results = new List <Delivery_Time>();
                            }

                            Delivery_Time delivery_time = new Delivery_Time();

                            delivery_time.IdDelivery_Time = (int)dr["Id"];
                            delivery_time.Delivery_time   = (string)dr["Delivery_Time"];


                            results.Add(delivery_time);
                        }
                    }
                }
            }
            catch (Exception e)
            {
                throw e;
            }

            return(results);
        }