// PUT: api/Content_session/5
        public string Put(int id, [FromBody] CreateContent_session value)
        {
            SqlCommand cmd = new SqlCommand();

            conn.Connectdb("update Content_session set Id_session=@Id_session, Id_album=@Id_album where Id_session='" + id + "'", cmd);
            cmd.Parameters.AddWithValue("@Id_session", value.Id_session);
            cmd.Parameters.AddWithValue("@Id_user", value.Id_album);
            int result = cmd.ExecuteNonQuery();

            if (result > 0)
            {
                return("mise à jour réussie");
            }
            else
            {
                return("echec mise à jour");
            }
        }
        // POST: api/Content_session
        public string Post([FromBody] CreateContent_session value)
        {
            SqlCommand cmd = new SqlCommand();

            conn.Connectdb("insert into Content_session(Id_session, Id_album)values(@Id_session, @Id_album)", cmd);
            cmd.Parameters.AddWithValue("@Id_session", value.Id_session);
            cmd.Parameters.AddWithValue("@Id_album", value.Id_album);
            int result = cmd.ExecuteNonQuery();

            if (result > 0)
            {
                return("mise à jour réussie");
            }
            else
            {
                return("echec mise à jour");
            }
        }