Is there any way to do a “Replace Or Insert” using web.config transformation?

I’m using web.config transformation as described in the below post in order to generate configs for different environments. http://vishaljoshi.blogspot.com/2009/03/web-deployment-webconfig-transformation_23.html I can do a “Replace” transformation by matching on the key, e.g. <add key=”Environment” value=”Live” xdt:Transform=”Replace” xdt:Locator=”Match(key)” /> And I can do “Inserts” e.g. <add key=”UseLivePaymentService” value=”true” xdt:Transform=”Insert” /> But what I would really find useful … Read more