Snippet from 2009 blog post "appSettings considered harmful"

AS1.xml

<appSettings>
<add key="SmtpServer" value="smtp.mycompany.com" />
<add key="bgColor" value="lightsteelblue" />
<!-- <add key="connstr" value="Server=TestDB;initial catalog=DBName;Integrated Security=SSPI" /> -->
<add key="connstr" value="Server=LiveDB;initial catalog=DBName;Integrated Security=SSPI" />
<add key="PageSize" value="20" />
<add key="Homepage" value="/default.aspx" />
<add key="FooServiceLicenseKey" value="YR39-WN51-CB73-DF62" />
<add key="SendEmails" value="True" />
<add key="FontName" value="Arial" />
<add key="CookieName" value="Foo" />
<add key="AdminTabVisible" value="False" />
<add key="BetaTabVisible" value="False" />
<add key="NotesTabVisible" value="False" />
<add key="IntranetURL" value="http://intranet.mycompany.com" />
<add key="DummyCustomerID" value="99" />
<add key="TimeoutPeriod" value="150" />
<add key="ShowErrors" value="2" />
<add key="PostcodeRegEx" value="^([Gg][Ii][Rr] 0[Aa]{2})|((([A-Za-z][0-9]{1,2})|(([A-Za-z][A-Ha-hJ-Yj-y][0-9]{1,2})|(([A-Za-z][0-9][A-Za-z])|([A-Za-z][A-Ha-hJ-Yj-y][0-9]?[A-Za-z])))) {0,1}[0-9][A-Za-z]{2})$" />
<add key="FirstDayOfWeek" value="1" />
<add key="Environment" value="Test" />
<add key="AdminUsers" value="smithj,brownc,davist" />
<add key="ValidityPeriod" value="20" />
<add key="ExchangeRate" value="1.50" />
<add key="ExchangeRateEUR" value="1.10" />
<add key="EmailBody" value="Dear {0}\nThank you for your email, one of our operatives will be in touch shortly." />
</appSettings>