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Working with StreamReader/Writer

Scheduled Pinned Locked Moved Visual Basic
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  • S Stephen McGuire

    Can you describe what is happening? Is your textbox getting the text? Your Sr.ReadToEnd should not be in a loop, since you are not reading each line...you are already reading the whole stream in one hit! You should also close the SteamReader as soon as you have finished with it. Before you do anything with the data retrieved... Steve -- modified at 14:54 Monday 14th August, 2006

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    Taen_Karth
    wrote on last edited by
    #3

    Well that sure makes sense!...hehe My RTF box IS in fact gettnig all the text, What is happening is that when it gets to the line: IO.File.Delete(fileName) It states that it cannot perform the action because the file requested is still in use. Loop removed.

    Thanks, Taen Karth

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    • T Taen_Karth

      Well that sure makes sense!...hehe My RTF box IS in fact gettnig all the text, What is happening is that when it gets to the line: IO.File.Delete(fileName) It states that it cannot perform the action because the file requested is still in use. Loop removed.

      Thanks, Taen Karth

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      Stephen McGuire
      wrote on last edited by
      #4

      You don't have the file open in another app do you? Notepad or Word etc? Steve

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      • S Stephen McGuire

        You don't have the file open in another app do you? Notepad or Word etc? Steve

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        Taen_Karth
        wrote on last edited by
        #5

        Nope. :confused:

        Thanks, Taen Karth

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        • T Taen_Karth

          Nope. :confused:

          Thanks, Taen Karth

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          Stephen McGuire
          wrote on last edited by
          #6

          You only have 'filname' for the file to delete. Shouldn't this be 'path & filename'? If you are always going to delete the file anyway, you don't have to check whether it exists first. Just code for deleting the file. An exception will not be generated if the file doesn't exist... Then try using the CreateText method of the IO.File class. What is that Me.Dispose() supposed to be doing? Steve -- modified at 15:26 Monday 14th August, 2006

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          • S Stephen McGuire

            You only have 'filname' for the file to delete. Shouldn't this be 'path & filename'? If you are always going to delete the file anyway, you don't have to check whether it exists first. Just code for deleting the file. An exception will not be generated if the file doesn't exist... Then try using the CreateText method of the IO.File class. What is that Me.Dispose() supposed to be doing? Steve -- modified at 15:26 Monday 14th August, 2006

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            Stephen McGuire
            wrote on last edited by
            #7

            Put your StreamWriter contstructor AFTER your File.Create line. I think this is holding the file open. You should only put this after you have created the file! Steve -- modified at 15:37 Monday 14th August, 2006

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            • S Stephen McGuire

              You only have 'filname' for the file to delete. Shouldn't this be 'path & filename'? If you are always going to delete the file anyway, you don't have to check whether it exists first. Just code for deleting the file. An exception will not be generated if the file doesn't exist... Then try using the CreateText method of the IO.File class. What is that Me.Dispose() supposed to be doing? Steve -- modified at 15:26 Monday 14th August, 2006

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              Taen_Karth
              wrote on last edited by
              #8

              Ok tried that and still getting this error message:

              The process cannot access the file 'C:\Documents and Settings\troy\Desktop\Projects\ChangeLogger\ChangeLogger\bin\Debug\ChangeLog.txt' because it is being used by another process.

              This is what the "Save" event looks like now: Private Sub ToolStripButton3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tsbtnSave.Click Dim Sw As New IO.StreamWriter(path & fileName, False) IO.File.Delete(path & fileName) IO.File.CreateText(path & fileName) Sw.WriteLine(vbCrLf & MyString & vbCrLf & rtSummary.Text) Sw.Flush() Sw.Close() Me.Dispose() End Sub Any ideas? btw thanks for the suggestions so far!

              Thanks, Taen Karth

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              • T Taen_Karth

                Ok tried that and still getting this error message:

                The process cannot access the file 'C:\Documents and Settings\troy\Desktop\Projects\ChangeLogger\ChangeLogger\bin\Debug\ChangeLog.txt' because it is being used by another process.

                This is what the "Save" event looks like now: Private Sub ToolStripButton3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tsbtnSave.Click Dim Sw As New IO.StreamWriter(path & fileName, False) IO.File.Delete(path & fileName) IO.File.CreateText(path & fileName) Sw.WriteLine(vbCrLf & MyString & vbCrLf & rtSummary.Text) Sw.Flush() Sw.Close() Me.Dispose() End Sub Any ideas? btw thanks for the suggestions so far!

                Thanks, Taen Karth

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                Stephen McGuire
                wrote on last edited by
                #9

                The StreamWriter constructor must be moved to here: Private Sub ToolStripButton3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tsbtnSave.Click IO.File.Delete(path & fileName) IO.File.CreateText(path & fileName) Dim Sw As New IO.StreamWriter(path & fileName, False) Sw.WriteLine(vbCrLf & MyString & vbCrLf & rtSummary.Text) Sw.Flush() Sw.Close() End Sub I have also removed the Me.Dispose() line. If you want to do that, do it in the form's closed event handler. Steve

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                • S Stephen McGuire

                  The StreamWriter constructor must be moved to here: Private Sub ToolStripButton3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tsbtnSave.Click IO.File.Delete(path & fileName) IO.File.CreateText(path & fileName) Dim Sw As New IO.StreamWriter(path & fileName, False) Sw.WriteLine(vbCrLf & MyString & vbCrLf & rtSummary.Text) Sw.Flush() Sw.Close() End Sub I have also removed the Me.Dispose() line. If you want to do that, do it in the form's closed event handler. Steve

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                  Taen_Karth
                  wrote on last edited by
                  #10

                  Still the same "File is in use" error as before...

                  Thanks, Taen Karth

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                  • T Taen_Karth

                    Still the same "File is in use" error as before...

                    Thanks, Taen Karth

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                    Taen_Karth
                    wrote on last edited by
                    #11

                    Jeez...now I get that error on this line: Dim Sw As New IO.StreamWriter(path & fileName, False) and I do not get any errors on the two lines right before it that create adn delete the file.

                    Thanks, Taen Karth

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                    • T Taen_Karth

                      Jeez...now I get that error on this line: Dim Sw As New IO.StreamWriter(path & fileName, False) and I do not get any errors on the two lines right before it that create adn delete the file.

                      Thanks, Taen Karth

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                      Stephen McGuire
                      wrote on last edited by
                      #12

                      Sorry. I forgot to move the other line. Should be like this: Private Sub ToolStripButton3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tsbtnSave.Click IO.File.Delete(path & fileName) Dim Sw As IO.StreamWriter = IO.File.CreateText(path & fileName) Sw.WriteLine(vbCrLf & MyString & vbCrLf & rtSummary.Text) Sw.Flush() Sw.Close() End Sub Steve

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                      • S Stephen McGuire

                        Sorry. I forgot to move the other line. Should be like this: Private Sub ToolStripButton3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tsbtnSave.Click IO.File.Delete(path & fileName) Dim Sw As IO.StreamWriter = IO.File.CreateText(path & fileName) Sw.WriteLine(vbCrLf & MyString & vbCrLf & rtSummary.Text) Sw.Flush() Sw.Close() End Sub Steve

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                        Taen_Karth
                        wrote on last edited by
                        #13

                        That did it...and now i understand why...lol. Thanks for sticking through me with this one. I really appreciate it. Now i just have to remeber how to capture the button result from a messagebox button when clicked...lol I do believe I am a bit rusty now. Once again thanks fr the help!:-D

                        Thanks, Taen Karth

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                        • T Taen_Karth

                          That did it...and now i understand why...lol. Thanks for sticking through me with this one. I really appreciate it. Now i just have to remeber how to capture the button result from a messagebox button when clicked...lol I do believe I am a bit rusty now. Once again thanks fr the help!:-D

                          Thanks, Taen Karth

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                          Stephen McGuire
                          wrote on last edited by
                          #14

                          Great! Glad I could help. To get the message box button clicked, check the DialogResult. If MessageBox.Show() = DialogResult.OK Then End If DialogResult options will vary depending on the button option you set for the dialog. Steve

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                          • S Stephen McGuire

                            Great! Glad I could help. To get the message box button clicked, check the DialogResult. If MessageBox.Show() = DialogResult.OK Then End If DialogResult options will vary depending on the button option you set for the dialog. Steve

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                            Taen_Karth
                            wrote on last edited by
                            #15

                            Thanks again that did it!:-D

                            Thanks, Taen Karth

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