msbuild fails to compile delphi 2009 project

I have problem compiling a project from command line using msbuild.
how can i solve it??


D:\Test>msbuild Test.dproj
Microsoft (R) Build Engine Version 2.0.50727.3053
[Microsoft .NET Framework, Version 2.0.50727.3082]
Copyright (C) Microsoft Corporation 2005. All rights reserved.
已經開始建置於 2009/2/9 上午 10:00:00。
__________________________________________________
專案 "D:\Test\Test.dproj" (預設目標):
D:\Test\Test.dproj : error MSB4040: 專案中沒有目標。 ( There is no target in
the project.)
專案 "Test.dproj" 建置完成 -- 失敗。 (fail)
建置失敗。
D:\Test\Test.dproj : error MSB4040: 專案中沒有目標。
0 個警告
1 個錯誤 (one error)
經過時間 00:00:00


I found the problem!
Set BDS=c:\program files\codegear\rad studio\6.0 before call msbuild!