Iron Speed Designer does not replace your application’s header files automatically when migrating applications from older versions. This allows your application to continue using its original header file. However if you change your application’s code language after migration, a new code-behind file will be created for Header.ascx, and you must manually replace your old Header.html and Header.xml files with current versions of these files.
None. No changes are made to yoru application during migration.
If you change your application’s code language after migrating to V5.2, you must manually replace your old Header.html and Header.xml files with current versions of these files.
Version 5.2 Application Migration