private void btn_totalloin_Click(object sender, EventArgs e)
{
frmReceiving_LoinBox frm = new frmReceiving_LoinBox();
frm.set_initial(lblInternalcode.Text, lblsupplier.Text);
frm.ShowDialog();
}
private void button4_Click_1(object sender, EventArgs e)
{
frmReceiving_LoinBox frm = new frmReceiving_LoinBox();
frm.set_initial(lblInternalcode.Text, lblsupplier.Text);
frm.display_data();
frm.ShowDialog();
}