private void computeTotalPrice()
{
try
{
//compute discount
decimal _totalPrice = 0;
decimal _qty = 0;
decimal _discountAmount = 0;
if (decimal.Parse(txtQty.Text) != 0)
{
_qty = decimal.Parse(txtQty.Text);
}
else
{
_qty = 0;
}
_totalPrice = _qty * decimal.Parse(txtUnitPrice.Text);
try
{
foreach (DataRow _dr in loSalesDiscount.getAllData("", cboDiscount.SelectedValue.ToString(), "").Rows)
{
if (_dr["Type"].ToString() == "Percentage")
{
_discountAmount = _totalPrice * (decimal.Parse(_dr["Value"].ToString())) / 100;
txtDiscountAmount.Text = string.Format("{0:n}", _discountAmount);
}
else
{
_discountAmount = decimal.Parse(txtDiscountAmount.Text);
}
}
}
catch
{
_discountAmount = 0;
}
txtTotalPrice.Text = string.Format("{0:n}", _totalPrice - _discountAmount);
}
catch
{
txtTotalPrice.Text = "0.00";
}
}
private void AddDiscountUI_Load(object sender, EventArgs e)
{
cboDiscount.DataSource = loDiscount.getAllData("ViewAll", "", "");
cboDiscount.DisplayMember = "Description";
cboDiscount.ValueMember = "Id";
cboDiscount.SelectedIndex = -1;
txtAmount.Text = "0.00";
txtPercentage.Text = "0.00";
chkVATExempt.Checked = false;
txtDetails.Clear();
lDiscountId = "";
lDiscountDescription = "";
lAmount = 0;
lPercentage = 0;
lVATExempt = false;
lDetails = "";
lFromClose = false;
txtAmount.Enabled = false;
txtPercentage.Enabled = false;
}