Multiple ASP File upload boxes won't work when not all used

I have 5 asp fileupload controls on my page. If a user fills all 5 of them, when submited it works great. If they less than 5, then I get an error that says, "cannot find path". Can anyone look at my code and let me know how I can make it work whether 1, 2, 3, 4 or 5 files are uploaded? Thanks.

' Specify the path on the server to
            ' save the uploaded file to.
            Dim savePath As String = Server.MapPath("~/ServeeDocs/")
            Dim savePath2 As String = Server.MapPath("~/ServeeDocs/")
            Dim savePath3 As String = Server.MapPath("~/ServeeDocs/")
            Dim savePath4 As String = Server.MapPath("~/ServeeDocs/")
            Dim savePath5 As String = Server.MapPath("~/ServeeDocs/")
 
            
            ' Before attempting to perform operations
            ' on the file, verify that the FileUpload 
            ' control contains a file.
        
            ' Get the name of the file to upload.
            Dim fileName As String = FileUpload1.FileName
            Dim fileName2 As String = FileUpload2.FileName
            Dim fileName3 As String = FileUpload3.FileName
            Dim fileName4 As String = FileUpload4.FileName
            Dim fileName5 As String = FileUpload5.FileName
                      
            ' Append the name of the file to upload to the path.
            savePath += fileName
            savePath2 += fileName2
            savePath3 += fileName3
            savePath4 += fileName4
            savePath5 += fileName5
                
            ' Call the SaveAs method to save the 
            ' uploaded file to the specified path.
            ' This example does not perform all
            ' the necessary error checking.               
            ' If a file with the same name
            ' already exists in the specified path,  
            ' the uploaded file overwrites it.
            FileUpload1.SaveAs(savePath)
            FileUpload2.SaveAs(savePath2)
            FileUpload3.SaveAs(savePath3)
            FileUpload4.SaveAs(savePath4)
            FileUpload5.SaveAs(savePath5)
                
            ' Notify the user of the name the file
            ' was saved under.
            UploadStatusLabel2.Text = "Your file was saved as " & fileName
            Label535.Text = fileName
            Label536.Text = fileName2
            Label537.Text = fileName3
            Label538.Text = fileName4
            Label539.Text = fileName5
            
            
            Dim strConn3 As String = "Data Source=sql2005-5.reinventinc.com;Integrated Security=false;Initial Catalog=phcampbell;User ID=re100679;Password=church101"
            'Dim strConn3 As String = "Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\Client.mdf;Integrated Security=True;User Instance=True"
            Dim MySQL3 As String = "INSERT INTO ScannedDocs (Docs, OrdersID, OwnerID) VALUES (@Docs, @OrdersID, @OwnerID); INSERT INTO ScannedDocs (Docs, OrdersID, OwnerID) VALUES (@Docs2, @OrdersID, @OwnerID); INSERT INTO ScannedDocs (Docs, OrdersID, OwnerID) VALUES (@Docs3, @OrdersID, @OwnerID); INSERT INTO ScannedDocs (Docs, OrdersID, OwnerID) VALUES (@Docs4, @OrdersID, @OwnerID); INSERT INTO ScannedDocs (Docs, OrdersID, OwnerID) VALUES (@Docs5, @OrdersID, @OwnerID)"
            Dim Conn3 As New SqlConnection(strConn3)
            Dim Cmd3 As New SqlCommand(MySQL3, Conn3)
            Cmd3.Parameters.Add(New SqlParameter("@Docs", Label535.Text))
            Cmd3.Parameters.Add(New SqlParameter("@Docs2", Label536.Text))
            Cmd3.Parameters.Add(New SqlParameter("@Docs3", Label537.Text))
            Cmd3.Parameters.Add(New SqlParameter("@Docs4", Label538.Text))
            Cmd3.Parameters.Add(New SqlParameter("@Docs5", Label539.Text))
            Cmd3.Parameters.Add(New SqlParameter("@OrdersID", NewJobNumber.Value.ToString()))
            Cmd3.Parameters.Add(New SqlParameter("@OwnerID", Variable.ToString()))
        
            Conn3.Open()
            Cmd3.ExecuteNonQuery()
            
            Response.Redirect("sentjobsuccess.aspx")

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