넷2010버전 쓰는사람많나,, 있으면


    Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click

        If TextBox1.Text <> "" And TextBox2.Text <> "" And TextBox3.Text <> "" Then

            MsgBox(TextBox1.Text & " " & TextBox2.Text & " " & TextBox3.Text)

            Dim fileReader As System.IO.StreamReader

            fileReader =

            My.Computer.FileSystem.OpenTextFileReader(FILE_NAME)

            Dim stringReader As String

            stringReader = fileReader.ReadLine()

            MsgBox(stringReader)

            save_ & " " & TextBox2.Text & " " & TextBox3.Text & Chr(13) & Chr(10) & stringReader

            MsgBox(save_data)

            TextBox4.Text = save_data

            IO.File.WriteAllText(FILE_NAME, "test")

            TextBox1.Text = ""

            TextBox2.Text = ""

            TextBox3.Text = ""

            Me.Close()

        Else

            MsgBox("모든 값을 입력해 주세요")

        End If

    End Sub


여기서 IO.File.WriteAllText(FILE_NAME, "test") 여기 부분이오류나는 이유 아는사람 있나,,?

이렇게 오류남