First you must create a package configuration (SSIS->PackageConfiguration -> add)
In the dialog box choose XML configuration, insert a name for destinatio n file, next.
Now, in the object list, you can choose all value do you want change at runtime, so you can go in connection and find your configuration manager.
select wich property do you want read at runtime.
save the package configuration
Now, with
vb you can modify the file xml
by
abc