public static User Login(string username, string password) { User membre = null; try { ConnectionBD db = new ConnectionBD(); string query; query = "select * from user WHERE username = @username AND password = @password"; Dictionary <string, string> param = new Dictionary <string, string>(); param.Add("username", username); param.Add("password", password); MySqlDataReader reader = db.Select(query, param); membre = db.Serialize <User>(reader); db.CloseConnection(); } catch (Exception e) { } return(membre); }