private void CreateHeader()
{
lbldate.Text = DateTime.Now.ToShortDateString();
Transactions txn = new Transactions();
txn.CustomerId = Convert.ToInt16(lblcusid.Text);
txn.DateCreated = DateTime.Now;
txn.GrandTotal = Convert.ToDouble(lblgrandtotal.Text);
txn.referenceNo = lbltxnid.Text;
txn.TotalAmount = Convert.ToDouble(lbltotalamounts.Text);
txn.Discounted = Convert.ToDouble(txtdiscount.Text);
txn.status = "Processed";
txn.TransactionType = cmbType.Text;
_trn.Create(txn);
}