can we post to another web application from a button action ?

[Legolas Woodland]

Hi Thank you for reading my post I need to use post method to send some parameters to a web site, now , in my web application which is based on jsf , i do not know how i can do this as parameters has their name and also i should compute their values before i post them to other web site. should we do this in button action method or there are some other ways? thanks