private void button1_Click(object sender, EventArgs e)
{
FichaADOContacto fadoc = new FichaADOContacto();
fadoc.MdiParent = this.MdiParent;
fadoc.Show();
}
private void butModificar_Click(object sender, EventArgs e)
{
int cod = int.Parse(dataGridView1.CurrentRow.Cells[0].Value.ToString());
FichaADOContacto fadoc = new FichaADOContacto();
fadoc.MdiParent = this.MdiParent;
fadoc.cs = cod;
fadoc.Show();
}