[.NET] 讀檔疑問

[zzzluna (zzz)]

想請問一下板上的高手
我想要做的是讀取TXT檔
並且把他資料矩陣化
以下是我目前所用的程式碼
但是會發生一個問題
就是使用一維陣列，當讀到下一行時
上一行的資料會被洗掉
我曾想過用二為動態陣列
但是split只允許用一維
那請問一維要怎麼做才能做成二維陣列呢？
我想了好久都想答案
Dim ReadStr() As String
        Dim i As Integer
        Dim output As String
        Dim OpenFileDialog1 As OpenFileDialog = New OpenFileDialog
        ' Dim IOfile As IO.File
        OpenFileDialog1.Filter = "純文字檔|*.txt"
        OpenFileDialog1.FileName = ""
        OpenFileDialog1.ShowDialog()
        If OpenFileDialog1.FileName = "" Then
            MsgBox("使用者取消讀檔", MsgBoxStyle.Exclamation)
            Exit Sub
        End If

        FileOpen(1, OpenFileDialog1.FileName, OpenMode.Input)
        Do Until EOF(1)
            ReadStr = Split(LineInput(1), ",")
            For i = 0 To ReadStr.GetUpperBound(0)
                output &= i & vbTab & ReadStr(i) & vbCrLf
            Next
        Loop

        MessageBox.Show(output, " ", MessageBoxButtons.OK,
MessageBoxIcon.Information)

        FileClose(1)


先感謝願意協助我的大大了

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