public string Deletar(string idd)
        {
            classDentista dent = new classDentista();
                string sql = "DELETE FROM dentista WHERE iddentista = '" + idd + "';";
                MySqlCommand commS = new MySqlCommand(sql, Conn.mConn);
                if (dent.bucarficha(idd) == 0 || dent.bucarconsulta(idd) == 0)
                {
                    try
                    {
                        Conn.ExecuteNonQuery(commS);

                    }
                    catch (Exception e)
                    {
                        throw e;
                    }
                    return "1";

                }
                else
                {
                    return "0";
                }
        }