VB.NET Notepad

Sorry its Windows notepad

the SendMessage(notepad.MainWindowHandle, WM_SETTEXT, IntPtr.Zero, texttoadd) sends nothing
I tried SendKeys.SendWait(texrttosend) sends some info not all and sometimes exits the program
there may be up to 50 fields in the table I want them on separate lines how do you  populate the notepad or is the only way is to create a text file and open it. I would rather send direct but if a temp file is the only way how do you open It in the notpad with out using file open

Const WM_SETTEXT As Integer = &HC
        <DllImport("user32.dll")> _
        Private Shared Function SendMessage(ByVal hWnd As IntPtr, ByVal Msg As Integer, ByVal wParam As IntPtr, <MarshalAs(UnmanagedType.LPStr)> ByVal lParam As String) As IntPtr
        End Function

        Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

            Dim npad As ProcessStartInfo = New ProcessStartInfo("NotePad.exe")
            npad.UseShellExecute = True

            Dim notepad As Process = Process.Start(npad)
            Dim texttoadd As String = ""

            Dim sql As String = "Select column_name from information_schema.columns where table_name = @TableName order by column_name"
            Dim params As New DataParameterCollection("@TableName", "Employee")
            Using dataConnector As IDataConnector = DataUtils.GetDataConnector()
                Dim reader As Data.IDataReader = dataConnector.GetReader(sql, params)
                Do While reader.Read = True
                    texttoadd = vbLf & reader.GetString(0)
                    SendMessage(notepad.MainWindowHandle, WM_SETTEXT, IntPtr.Zero, texttoadd)
                Loop
                reader.Close()
            End Using
        End Sub
    End Class

Select allOpen in new window

Worked it out from the Process.start
used sendkeys.send with vbLF to fix