That one property as you've seen can't be set through a connection expression. You could do it thorugh a script task if you wanted to do it inside the package. You could also try to set it through dtexec.exe if you're executing the package that way by using the /SET switch.
Just to elaborate on the /SET switch, here's some example syntax:
DTExec /FILE Package.dtsx /SET \Package.Connections[ConnectionID].ServerPassword;PasswordHere
Brian Knight
|||Thanks Brian.
Yes, I do want to do it in the package because the package is being launched via dtexec from a generic web app that creates textboxes for the parameters. I would like to keep the web app generic and free of package-specific code. I created a script task and I set the password by getting the ServerPassword property from the ConnectionManager's properties collection and then using the SetValue method of the DtsProperty object.