CODEWITHSUNDEEP
vb.net
lana
lana

Reputation: 11

Problem in reading from text file in my code

Using Microsoft Visual Studio 2008:

' Create an instance of the open file dialog box.
Dim openFileDialog1 As OpenFileDialog = New OpenFileDialog

' Set filter options and filter index.
openFileDialog1.Filter = "Text Files (*.txt)|*.txt|All Files (*.*)|*.*"
openFileDialog1.FilterIndex = 1

openFileDialog1.Multiselect = True

' Call the ShowDialog method to show the dialogbox.
Dim UserClickedOK As Boolean = openFileDialog1.ShowDialog

' Process input if the user clicked OK.
If (UserClickedOK = True) Then
    Using sr As StreamReader = New StreamReader() ' <-----
        Dim line As String
        ' Read and display the lines from the file until the end 
        ' of the file is reached.
        Do
            line = sr.ReadLine()
            Console.WriteLine(Line)
        Loop Until line Is Nothing
    End Using
End If

On the line marked, how can I pass the path of the selected file into the StreamReader constructor? Thanks!

Upvotes: 1

Views: 590

Answers (1)

Hans Olsson
Hans Olsson

Reputation: 54999

Edit: Amended my sample code as per Hans suggestion.

Just use the FileName property of the OpenFileDialog class as:

If openFileDialog1.ShowDialog() = DialogResult.OK Then
    Using sr As StreamReader = New StreamReader(openFileDialog1.FileName) 
        ' do stuff
    End Using
End If

Edit: Though I just saw that you've got MultiSelect set to True, so you'd have to use the FileNames property instead and loop through it and open the StreamReader for each file.

So something like:

If openFileDialog1.ShowDialog() = DialogResult.OK Then
    For Each file As String In openFileDialog1.FileNames
        Using sr As StreamReader = New StreamReader(file) 
             ' do stuff
        End Using
    Next
End If

Upvotes: 1

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