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Old October 28th, 2005, 09:44 AM
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Default File extension detection

I'm uploading a file and want to detect its file extension, so I can add it onto the path of the file, for example 435.jpg, in classic asp I used - File.ext

How do you detect it in ASP.Net (VB)?

Also, how do you overwrite files? Here is my sub

Sub Upload_Click(Sender as Object, e as EventArgs)

      UploadDetails.visible = True

' Let us recover only the file name from its fully qualified path at client

        Dim strFileName as string
        strFileName = MyFile.PostedFile.FileName
        Dim c as string = System.IO.Path.GetFileName(strFileName) ' only the attched file name not its path

                 ' Let us Save uploaded file to server at C:\ServerFolder

  Dim strSQL2 As String = "UPDATE Product set Prod_Image = " & _
                          " '" & c & "' WHERE ProdID = " & Request("ProdID")


  Dim dbComm As New SqlCommand(strSQL2, objConnection)

           MyFile.PostedFile.SaveAs(getAssetsPath + c)
     UploadDetails.Overwrite = True

              Response.Redirect("products.aspx?ProdRangeID=" & Request("ProdRangeID"))

End Sub
Old October 31st, 2005, 04:03 AM
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would get you the File Extension. Path class is available in System.IO namespace.

Vasudevan Deepak Kumar
Personal Web: http://www.lavanyadeepak.tk/
I Blog At: http://deepak.blogdrive.com/
Old November 2nd, 2005, 11:46 AM
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Thanks, works fine

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