private void btnFinish_Click(object sender, EventArgs e)
{
try
{
if (!receiptBLL.isreceiptdetailnull())
{
MessageBox.Show("Details must not null!", "ERROR");
}
else
{
receiptBLL.finishreceipt(float.Parse(txtTotal.Text));
this.Close();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "ERROR");
}
}