protected void CalculateTotal()
{
Decimal discount = Decimal.Zero;
Discount.IsCashDiscount = true;
if (!Decimal.TryParse(txtDiscount.Text, out discount) && txtDiscount.Text.Contains("%"))
{
Discount.IsCashDiscount = false;
txtDiscount.Text = txtDiscount.Text.Replace("%", "");
Decimal.TryParse(txtDiscount.Text, out discount);
}
Discount.DiscountValue = discount;
if (!Discount.IsCashDiscount)
{
lblTotal.Text = (SaleItemList.Sum(i => i.ProfitPrice) - (SaleItemList.Sum(i => i.ProfitPrice) * Discount.DiscountValue / 100)).ToString("##,##0.00");;
txtDiscount.Text += "%";
}
else
{
lblTotal.Text = (SaleItemList.Sum(i => i.ProfitPrice) - Discount.DiscountValue).ToString("##,##0.00");
};
}
protected void BindGrdSaleItem()
{
grdSaleItens.DataSource = SaleItemList;
lblSubtotal.Text = SaleItemList.Sum(item => item.ProfitPrice).ToString("##,##0.00");
CalculateTotal();
grdSaleItens.DataBind();
btnPayment.Visible = SaleItemList.Any();
}