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

Question

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/

Answer 1

A better method for me was to insert the element only if it doesn't exist since I am only setting certain attributes. Removing the element would discard any other attributes of the main element if they existed.

example: web.config (without element)

web.config (with element)

Using the Locator with an XPath expression, I add the node if it doesn't exist and then set my attribute:

both resulting web.config files have includeExceptionDetailInFaults="true" and the second one preserves the httpsHelpPageEnabled attribute where the remove/insert method would not.