Error while making connection

hi

I am not able to create connection string through vwd express for sql express database file n getting a error:

An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)

plz tell me where is the problem n how can i resolve it

Thanks n with regards
CN

You could try searching for "Error: 26 - Error Locating Server/Instance Specified" in this forum , or you could look at some troubleshooting help in this blog post:Troubleshoot Connectivity Issue with SQL Server Express 2005.