First, check whether the sql2005 service is running, then check the connection is right.
On Jun 7, 12:07 am, nguyen minh tuan <[email protected]> wrote: > Hello, > I 've install Visual Studio 2008 and SQL Server 2005 (Express > Edition). I 've also created a web application project by Visual > Studio 2008. When i try to add an new empty database file (*.mdf) > file > to App_Data folder in the project, the following error messenger > occures: "Connection to SQL Server files (*.mdf) require SQL server > express 2005 to function properly. please verify the installation of > the component or download from the URL: go.microsoft.com/fwlink/? > linkId=49251". I searched on the internet but i can't find any > solution. I reinstall SQL Server 2005 and Visual Studio 2008 many > many > times but that problem stays. > Please help me.
