//Редактирование строки в БД public void editRoom() { string[] room = EditRoom.Edit(); string query = "UPDATE `номер` SET `Состояние` = '" + room[1] + "',`Цена за ночь` = '" + room[2] + "',`Оценка номера` = '" + room[3] + "',`id_набора особенностей` = '" + room[4] + "' WHERE(`Номер` = '" + room[0] + "')"; MySqlCommand command = new MySqlCommand(query, connection); command.CommandTimeout = 60; MySqlDataReader reader; try { connection.Open(); reader = command.ExecuteReader(); // Succesfully deleted connection.Close(); } catch (Exception ex) { // Ops, maybe the id doesn't exists ? MessageBox.Show(ex.Message); } }