private void btn_Ok_Click(object sender, EventArgs e)
{
CurrentTransaction_DB cTR = new CurrentTransaction_DB();
int price = cTR.getprice(cBox_Item.Text);
int paid = price * (Convert.ToInt32(cBox_Quantity.Text));
cTR.Item = cBox_Item.Text;
cTR.Quantity = cBox_Quantity.Text;
cTR.Price = price.ToString();
cTR.PayPrice = paid.ToString();
cTR.addtransaction(cTR);
// dataGridView1.AutoGenerateColumns = true;
//cTR.FillGrid(dataGridView1);
sum = sum + paid;
lbl_ShowBill.Text = sum.ToString();
}
