SelectCommand with web.config key variable

Question

Looking to select records from my DB in ASP.NET using <SelectCommand> with a var from the web.config.

Can't seem to find the proper syntax to work.

no code behind file or vb code in page, so trying to do in just asp.net page.

SelectCommand="SELECT * FROM ClassesTbl WHERE AppName = <%= ConfigurationManager.AppSettings('AppName') %>" 

Answer 1

actually found a way to make it work:

added:

<SelectParameters>
    <asp:Parameter Name="getAppName" DefaultValue="<%$ AppSettings:AppName %>"/>
</SelectParameters>

and changed SelectCommand to:

SelectCommand="SELECT * FROM ClassesTbl WHERE AppName = @getAppName"