我有我的updatetobill代碼中的這段代碼。即時計劃將其舍入到最接近的十分之一我想?例如價格是123456.123456,我想要做的是把它作爲123456.12,因爲它的價格,我需要美分。在此先感謝您的任何幫助:)我怎樣才能根據用戶輸入取捨我的價值?
private void UpdateTotalBill()
{
double vat = 0;
double TotalPrice = 0;
long TotalProducts = 0;
foreach (DataListItem item in dlCartProducts.Items)
{
Label PriceLabel = item.FindControl("lblPrice") as Label; // get price
TextBox ProductQuantity = item.FindControl("txtProductQuantity") as TextBox; // get quantity
double ProductPrice = Convert.ToInt64(PriceLabel.Text) * Convert.ToInt64(ProductQuantity.Text); //computation fro product price. price * quantity
vat = (TotalPrice + ProductPrice) * 0.12; // computation for total price. total price + product price
TotalPrice = TotalPrice + ProductPrice+40 +vat;
TotalProducts = TotalProducts + Convert.ToInt32(ProductQuantity.Text);
}
Label1.Text = Convert.ToString(vat);
txtTotalPrice.Text = Convert.ToString(TotalPrice); // put both total price and product values and converting them to string
txtTotalProducts.Text = Convert.ToString(TotalProducts);
}
我怎樣才能實現的代碼,如果它是基於用戶輸入? txtTotalPrice.Text = Convert.ToString(TotalPrice); –
@PaoloDuhaylungsod只能用作Math.Round(TotalPrice,2)'? –
工作。謝啦! –