如何使用Visual Studio 2010 Express连接到SqlExpress for Entity Framework？

我正在尝试使用Visual Studio 2010 Express版本使用SqlExpress + Entity Framework作为数据访问权限来设置ASP.NET MVC 2 Web应用程序。我同时安装了 C＃版和 Web开发人员版。

I'm trying to use the Visual Studio 2010 Express editions to set up an ASP.NET MVC 2 Web Application using SqlExpress + Entity Framework as the data access. I have both the "C# Edition" and "Web Developer Edition" installed.

如果我尝试使用 C＃版添加数据源，则会丢失 Microsoft SQL Server数据源类型。

If I try to add a data source using the "C# edition", I'm missing the "Microsoft SQL Server" data source type.

Visual Studio 2010 Express屏幕快照http://dl.dropbox.com/u/4163528/images/*/2010Express.png

但是Visual Studio 2008 Professional拥有它。

but Visual Studio 2008 Professional has it.

Visual Studio 2008 Professional屏幕快照http://dl.dropbox.com/u/4163528/images/*/2008Professional.png

，如另一个*问题 Web Developer Edition具有此功能。但是，Web Developer Edition不支持实体框架项：
EntityFramework http://dl.dropbox.com/u/4163528/images/*/2010EF.png 。

as noted by another * question, the "Web Developer Edition" has this. However, the Web Developer Edition doesn't support the Entity Framework items: EntityFramework http://dl.dropbox.com/u/4163528/images/*/2010EF.png.

我想坚持只使用Express Edition。微软忘记了我的用例吗？我在这里可以使用SqlExpress + MVC 2 +实体框架吗？

I'd want to stick with only the Express Editions. Is my use case one that Microsoft forgot about? What can I do here to use SqlExpress + MVC 2 + Entity Framework?

谢谢！

-Mike