2020年9月3日 星期四

Vb.net 讀寫到txt檔 [Write Read txt File] 

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Imports System.IO





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    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim FileReader As StreamReader
        FileReader = New StreamReader("C:\test.txt")
        TextBox1.Text = FileReader.ReadToEnd()
        FileReader.Close()
    End Sub


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    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Dim FileWriter As StreamWriter
 FileWriter = New StreamWriter("C:\test.txt", False)
 FileWriter.Write(TextBox1.Text)
 FileWriter.Close()
    End Sub
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