void Button1Click(object sender, EventArgs e)
{
FormFormacion2 formCurso = new FormFormacion2(nomcurso);
formCurso.MdiParent = this.MdiParent;
this.Close();
formCurso.Show();
}
void Button2Click(object sender, EventArgs e)
{
nomcurso = dgridcursos.SelectedRows[0].Cells[2].Value.ToString();
FormFormacion2 formCurso = new FormFormacion2(nomcurso);
formCurso.MdiParent = this.MdiParent;
this.Close();
formCurso.Show();
}