// UploadFile.aspx.cs

...
    // Lable control that is defined on .aspx page
    lblResponse.Text = "";

    Upload _upload = UploadsManager.GetUpload();

    // Define directory to which an uploaded files will be stored.
    string SaveFolder = Server.MapPath("") + "\\UploadedFiles\\";

    if (_upload != null && _upload.Status.State == UploadState.Complete)
    {
        // Iterate through uploaded files collection.
        for (int i = 0; i < _upload.UploadedFiles.Count; i++)
        {
            UploadedFile _file = _upload.UploadedFiles[i];

            // The name of uploaded file before SaveAs method first call equal to the name of the temporary file.
            lblResponse.Text += "File name before SaveAs method call was: " + _file.StoredFileName + "<br />";

            // Save an uploaded file to a specific location 
            // with name that was been on the client's machine.
            // You can save an uploaded file with any name.
            // To do that, just specify the required name in "path" parameter of SaveAs method.
            // Here we guessed that the QualifiedFileName property is "contract.pdf"
            _file.SaveAs(SaveFolder + _file.QualifiedFileName, true);

            // The name of uploaded file after SaveAs method call equal 
            // to the name that is specified in path parameter of the SaveAs method.
            lblResponse.Text += "File name after SaveAs method call is: " + _file.StoredFileName + "<br />";
        }
    }    
...

// The following approximate result we will see on the page

File name before SaveAs method call was: c:\Temp\waiu459ds2j42h4k2242424453kjerg.tmp
File name after SaveAs method call is: c:\Inetpub\wwwroot\EAUploadExample\UploadedFiles\contract.pdf

...

' UploadFile.aspx.vb


...
    ' Lable control that is defined on .aspx page
    lblResponse.Text = ""

    Dim _upload As Upload = UploadsManager.GetUpload

    ' Define directory to which an uploaded files will be stored.
    Dim SaveFolder As String = Server.MapPath("") & "\UploadedFiles\"

    If ((Not _upload Is Nothing) AndAlso (_upload.Status.State = UploadState.Complete)) Then
        Dim i As Integer

        ' Iterate through uploaded files collection.
        For i = 0 To _upload.UploadedFiles.Count - 1
            Dim _file As UploadedFile = _upload.UploadedFiles.Item(i)

            ' The name of uploaded file before SaveAs method first call equal to the name of the temporary file.
            lblResponse.Text &= "File name before SaveAs method call was: " & _file.StoredFileName & "<br />";

            ' Save an uploaded file to a specific location 
            ' with name that was been on the client's machine.
            ' You can save an uploaded file with any name.
            ' To do that, just specify the required name in "path" parameter of SaveAs method.                    
            ' Here we guessed that the QualifiedFileName property is "contract.pdf"
            _file.SaveAs(SaveFolder & _file.QualifiedFileName, True)

            ' The name of uploaded file after SaveAs method call equal 
            ' to the name that is specified in path parameter of the SaveAs method.
            lblResponse.Text &= "File name after SaveAs method call is: " & _file.StoredFileName & "<br />";

        Next i
    End If
...

' The following approximate result we will see on the page


File name before SaveAs method call was: c:\Temp\waiu459ds2j42h4k2242424453kjerg.tmp    
File name after SaveAs method call is: c:\Inetpub\wwwroot\EAUploadExample\UploadedFiles\contract.pdf

...