protected void BtnGuardar_Click(object sender, EventArgs e)
        {
            ComentarioServices comentarioServices = new ComentarioServices();

            ASA.Models.Comentario comentario = new ASA.Models.Comentario();
            comentario.Descripcion = TboxDescripcion.Text;
            comentario.Nota        = DlistNota.SelectedItem.Text;
            comentarioServices.Agregar(comentario, Convert.ToInt64(Session["IdComision" + Session.SessionID]), Convert.ToInt64(Session["IdComision-Instancia" + Session.SessionID]), Convert.ToInt64(Session["IdComision-Alumno" + Session.SessionID]));
            Response.Redirect("List-Alumnos.aspx?valor=" + Convert.ToInt64(Session["IdComision-Instancia" + Session.SessionID]));
        }
        protected void BtnGuardarEnviarMail_Click(object sender, EventArgs e)
        {
            ComentarioServices comentarioServices = new ComentarioServices();

            ASA.Models.Comentario comentario = new ASA.Models.Comentario();
            comentario.Descripcion = TboxDescripcion.Text;
            comentarioServices.Agregar(comentario, Convert.ToInt64(Session["IdComision" + Session.SessionID]), Convert.ToInt64(Session["IdComision-Instancia" + Session.SessionID]), Convert.ToInt64(Session["IdComision-Alumno" + Session.SessionID]));

            AlumnoServices alumnoServices = new AlumnoServices();

            ASA.Models.Alumno alumno = new Alumno();
            alumno = alumnoServices.BuscarAlumno(Convert.ToInt64((Session["IdComision-Alumno" + Session.SessionID])));

            SendMail(alumno, comentario.Descripcion);
            Response.Redirect("List-Alumnos.aspx?valor=" + (Session["IdComision-Instancia" + Session.SessionID]));
        }