Get APPLICATION SETTING at web.config

here is the code :

Public Shared Function GetConnectionString(ByVal ConnStr As String) As String

Dim ar As New Configuration.AppSettingsReader

Try

Return ar.GetValue(ConnStr, GetType(String))

Catch ex As Exception

Return String.Empty

End Try

End Function

and the web.config :

configuration>

<appSettings>
<add key=”MKTProposal” value=”server=myserver;database=dbname;uid=app;pwd=apppass”/>
</appSettings>
<system.web>
<!–