Ciao,
se nel web.config definisci la stringa di connessione con
<connectionStrings> <add name="MyConnectionString" connectionString="Server=(local)....
puoi utilizzare la classe ConfigurationManager
(
http://msdn.microsoft.com/it-it/library/system.configuration.configurationmanager.connectionstrings(VS.80).aspx) in questo modo:
Dim _connectionStrings As String = System.Configuration.ConfigurationManager.ConnectionStrings("MyConnectionString").ConnectionString Using _conn As New SqlConnection(_connectionStrings) ...