Archive

Posts Tagged ‘secondary data source’

InfoPath Error: Reference to undeclared namespace prefix “dfs”

March 17th, 2010 3 comments

Error:

If you are trying to get/set values using XPath on Secondary Data Source, you might get the error “Reference to undeclared namespace prefix: dfs”.

Cause:

When you are trying to use XPath expression on Secondary Data Source, you must have to declare the namespace that is going to be used in the code. By default, InfoPath does NOT add namespace for Secondary Data Source. You have to add it manually.

Resolution: Read more…