ashx页面不能显示关键字颜色

打开vs2008命令提示，具体命令如下：

Setting environment for using Microsoft Visual Studio 2008 x86 tools.

D:\Program Files (x86)\Microsoft Visual Studio 9.0\VC>cd..

D:\Program Files (x86)\Microsoft Visual Studio 9.0>cd Common7

D:\Program Files (x86)\Microsoft Visual Studio 9.0\Common7>cd IDE

D:\Program Files (x86)\Microsoft Visual Studio 9.0\Common7\IDE>devenv.exe/resets kippkgs