配列に保存されている請求書の小計をメッセージボックスに表示しようとしています...そのうちの5つは、foreachメソッドを使用してメッセージボックスに表示されます。賃金を入力すると、計算が行われ、小計の値が配列に格納されます。decArrayとintIndexという配列とインデックスを宣言しました。誰かが私が行方不明または間違っていることを教えてもらえますか?前もって感謝します!
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace InvoiceTotal
{
public partial class frmInvoiceTotal : Form
{
public frmInvoiceTotal()
{
InitializeComponent();
}
// TODO: declare class variables for array and list here
decimal[] decArray = new decimal[5];
int intIndex = 0;
private void btnCalculate_Click(object sender, EventArgs e)
{
try
{
if (txtSubtotal.Text == "")
{
MessageBox.Show(
"Subtotal is a required field.", "Entry Error");
}
else
{
decimal subtotal = Decimal.Parse(txtSubtotal.Text);
if (subtotal > 0 && subtotal < 10000)
{
decimal discountPercent = 0m;
if (subtotal >= 500)
discountPercent = .2m;
else if (subtotal >= 250 & subtotal < 500)
discountPercent = .15m;
else if (subtotal >= 100 & subtotal < 250)
discountPercent = .1m;
decimal discountAmount = subtotal * discountPercent;
decimal invoiceTotal = subtotal - discountAmount;
discountAmount = Math.Round(discountAmount, 2);
invoiceTotal = Math.Round(invoiceTotal, 2);
txtDiscountPercent.Text = discountPercent.ToString("p1");
txtDiscountAmount.Text = discountAmount.ToString();
txtTotal.Text = invoiceTotal.ToString();
for (intIndex = 0; intIndex <= decArray.Length - 1; intIndex++)
{
DecArray[intIndex] = InvoiceTotal
}
}
else
{
MessageBox.Show(
"Subtotal must be greater than 0 and less than 10,000.",
"Entry Error");
}
}
}
catch (FormatException)
{
MessageBox.Show(
"Please enter a valid number for the Subtotal field.",
"Entry Error");
}
txtSubtotal.Focus();
}
private void btnExit_Click(object sender, EventArgs e)
{
// TODO: add code that displays dialog boxes here
string totalstring = "";
foreach (decimal value in decArray)
{
totalstring += value + "\n";
MessageBox.Show(totalstring + "\n", "Order Totals");
}
this.Close();
}
}
}