private void btn_sales_Click(object sender, EventArgs e)
{
CreditDetail detail = new CreditDetail();
detail.lbl_from.Text = dtp_from.Text;
detail.lbl_to.Text = lbl_to.Text;
detail.Show();
}
private void btn_view_Click(object sender, EventArgs e)
{
CreditDetail detail = new CreditDetail();
detail.lbl_credit_amount.Text = lbl_total.Text;
detail.lbl_paid.Text = lbl_pay.Text;
detail.lbl_customer_name.Text = dataGridView1.CurrentRow.Cells["col_customername"].Value.ToString();
detail.lbl_customer_id.Text = (lbl_id.Text);
detail.Show();
}