private void BtnNuevo_Click(object sender, EventArgs e)
        {
            GestionAlumno ga = new GestionAlumno();

            ga.TipoGestion = "alta";
            ga.Show();
        }
        private void Button1_Click(object sender, EventArgs e)
        {
            GestionAlumno ga = new GestionAlumno();

            ga.AlumnoFrm.idAlumno = (int)dataGridAlumnos.CurrentRow.Cells["Id"].Value;
            ga.TipoGestion        = "baja";
            ga.Show();
        }
        private void BtnEditar_Click(object sender, EventArgs e)
        {
            GestionAlumno ga = new GestionAlumno();

            ga.AlumnoFrm.idAlumno = (int)dataGridAlumnos.CurrentRow.Cells["Id"].Value;
            ga.TipoGestion        = "modi";
            ga.Show(this);
        }