public ActionResult PagoClase(int idAlumno, int idComision, int idClase, int montoAbonado)
        {
            var pagoDTO = new PagoDTO();

            pagoDTO.IdAlumno     = idAlumno;
            pagoDTO.IdClase      = idClase;
            pagoDTO.IdComision   = idComision;
            pagoDTO.MontoAbonado = montoAbonado;

            var    pagoexitoso = _alumnoLogic.SetPagoClase(pagoDTO);
            string mensaje     = string.Empty;

            if (pagoexitoso)
            {
                var comision = _comisionLogic.GetComision(idComision);
                var alumno   = _alumnoLogic.GetAlumnoByID(idAlumno);

                var fechaPago    = DateTime.Now.AddHours(5).ToString("dd/MM/yyyy hh:mm tt");
                var tipoPago     = "Clase";
                var nombreCurso  = comision.Curso.ToString().Replace("_", " ");
                var coordinador  = comision.Coordinador.ToString().Replace("_", " ");
                var modalidad    = comision.Modalidad;
                var sede         = comision.Sede.ToString().Replace("_", " ");
                var turno        = comision.Turno;
                var nombreAlumno = alumno.Nombre + " " + alumno.Apellido + " (DNI: " + alumno.NroDocumento + ").";

                var html = "<!doctype html><html><head> <meta charset='utf-8'> <meta name='viewport' content='width=device-width, initial-scale=1'> <style>body{font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; text-align: center; color: #777;}body h1{font-weight: 300; margin-bottom: 0px; padding-bottom: 0px; color: #000;}body h3{font-weight: 300; margin-top: 10px; margin-bottom: 20px; font-style: italic; color: #555;}body a{color: #06F;}.invoice-box{max-width: 700px; margin: auto; padding: 30px; border: 1px solid #eee; box-shadow: 0 0 10px rgba(0, 0, 0, .15); font-size: 16px; line-height: 24px; font-family: 'Helvetica Neue', 'Helvetica', Helvetica, Arial, sans-serif; color: #555;}.invoice-box table{width: 100%; line-height: inherit; text-align: left;}.invoice-box table td{padding: 5px; vertical-align: top;}.invoice-box table tr td:nth-child(2){text-align: right;}.invoice-box table tr.top table td{padding-bottom: 20px;}.invoice-box table tr.top table td.title{font-size: 45px; line-height: 45px; color: #333;}.invoice-box table tr.heading td{background: #eee; border-bottom: 1px solid #ddd; font-weight: bold;}.invoice-box table tr.details td{padding-bottom: 20px;}.invoice-box table tr.item td{border-bottom: 1px solid #eee;}.invoice-box table tr.item.last td{border-bottom: none;}.invoice-box table tr.total td:nth-child(2){border-top: 2px solid #eee; font-weight: bold;}@media only screen and (max-width: 600px){.invoice-box table tr.top table td{width: 100%; display: block; text-align: center;}}</style></head><body> <div class='invoice-box'> <table cellpadding='0' cellspacing='0'> <tr> <td colspan='2' style='text-align: center'><img style='width: 270px;' src='http://www.escuelaitinerante.com.ar/images/logo.png'></td></tr><tr class='top'> <td colspan='2' style='text-align:right'>Fecha Pago: " + fechaPago + ".</td></tr><tr> <td colspan='2'> <p> <b>Alumno</b> " + nombreAlumno + " <br><b>Nombre de Curso:</b> " + nombreCurso + " <br><b>Coordinador:</b> " + coordinador + " <br><b>Modalidad:</b> " + modalidad + " <br><b>Sede:</b> " + sede + " <br><b>Turno:</b> " + turno + " <br></p></td></tr><tr class='heading'> <td>Pago de " + tipoPago + "</td><td>Importe</td></tr><tr class='item last'> <td>Importe abonado</td><td>$ " + montoAbonado + ".00</td></tr><tr class='total'> <td></td><td> Total: $ " + montoAbonado + ".00</td></tr></table> </div></html>";

                mensaje = EnviarRecibosPorMail(html, alumno, tipoPago);
            }

            return(Json(mensaje, JsonRequestBehavior.AllowGet));
        }