我有我寫的代碼,其中有3個標籤用於颶風數量,平均颶風數量以及xt文件中颶風數量最多的年份。代碼正在工作,前兩個標籤顯示正確的結果。然而,最後一個標籤顯示的是颶風數量最多的一年,而不是年份。在標籤中輸入錯誤的輸出
以下是我有:
Option Strict On
公共類frmHurricaneStatistics
' Class level Private variables.
Public Shared _intSizeOfArray As Integer = 20
Private _strYears(_intSizeOfArray) As String
Private _intNumberOfHurricans(_intSizeOfArray) As Integer
Private Sub frmHurricaneStatistics_Load(sender As Object, e As EventArgs
) Handles MyBase.Load
' This load event reads the inventory text file and fills
' the ComboBox object with the Hurricane Statistics.
' Initialize an instace of the streamreader object and declare variables.
Dim objReader As IO.StreamReader
Dim strHurricaneStatistics As String = "Hurricanes.txt"
Dim intCount As Integer = 0
Dim intFill As Integer
Dim strFileError As String = "The file is not available. Please restart the
application when the file is available."
' Verify the Hurricane.txt file exists.
If IO.File.Exists(strHurricaneStatistics) Then
objReader = IO.File.OpenText(strHurricaneStatistics)
' Read the file line by line until the file is completed.
Do While objReader.Peek <> -1
_strYears(intCount) = objReader.ReadLine()
_intNumberOfHurricans(intCount) = Convert.ToInt32(objReader.ReadLine())
intCount += 1
Loop
objReader.Close()
' The ComboBox objext is filled with the Years for Hurricanes.
For intFill = 0 To (_strYears.Length - 1)
cmbYears.Items.Add(_strYears(intFill))
Next
Else
MsgBox(strFileError, , "Error")
Close()
' If ComboBox is filled then enable the Display Statistics button.
' btnDisplayStatistics.Enabled = True
End If
End Sub
Private Sub btnDisplayStatistics_Click(sender As Object, e As EventArgs
) Handles btnDisplayStatistics.Click
' This click event calls the sub procedures for the selected years and
' the number of hurricans in that year.
Dim intSelectedYear As Integer
Dim strMissingSelection As String = "Missing Selection"
Dim strSelectAYearError As String = "Please Select a Year"
' If the ComboBox object has a selection, Display Statistics.
If cmbYears.SelectedIndex >= 0 Then
intSelectedYear = cmbYears.SelectedIndex
Else
MsgBox(strSelectAYearError, , strMissingSelection)
End If
' The procedure MakeLabelsVisible Is called to display the labels
' And the results.
MakeLabelsVisible()
Dim intAverage As Double
Dim intYear As Integer
For intIndex As Integer = 0 To _intNumberOfHurricans.Length - 1
If intYear < _intNumberOfHurricans(intIndex) Then
intYear = _intNumberOfHurricans(intIndex)
End If
intAverage = intAverage + _intNumberOfHurricans(intIndex)
Next
intAverage = intAverage/_intNumberOfHurricans.Length
' Display the statistics for the Storm Average in the selected Year
' and the most active year within the range of year.
lblNumberOfHurricanes.Text = "The Number of Hurricanes in the Year " &
_strYears(intSelectedYear) & " is " & _intNumberOfHurricans(intSelectedYear).ToString() & "."
lblAvergeNumberHurricanes.Text = "The Average Number of Storms was " & FormatNumber(intAverage, 0) & " Hurricanes."
lblMostStorms.Text = "The Year " & intYear & " Had The Most Storms Between " & (
_strYears(20) & " And " & (_strYears(0).ToString))
End Sub
Private Sub MakeLabelsVisible()
' This procedure displays the labels with the calculated results
lblNumberOfHurricanes.Visible = True
lblAvergeNumberHurricanes.Visible = True
lblMostStorms.Visible = True
End Sub
更新後的代碼。
您好我已經把其餘的代碼。我真的很感謝你的幫助 –
更新了我的答案,讓我知道它是怎麼回事 – p3tch
再次p3tch,我很抱歉成爲一個巨大的痛苦,但我輸入了代碼,因爲你已經建議,現在我得到一個格式執行。我即將放棄。畢竟,我的意思是多麼糟糕,可能會影響我的成績。大聲笑 –