private void btnAbonar_Click(object sender, EventArgs e)
{
frmAbonoCompra frm = new frmAbonoCompra();
frm.lblIdCompra.Text = this.lblIdCompra.Text;
frm.lblTotalPagar.Text = this.lblSaldo.Text;
frm.lblIdProveedor.Text = this.lblIdProveedor.Text;
frm.ShowDialog();
}
public frmAbonoCompra()
{
InitializeComponent();
frmAbonoCompra.f1 = this;
}