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Number of <h:form > tags on a page

Scott Stephens
Greenhorn

Joined: Jun 25, 2011
Posts: 23

I am having a problem that only one of the <h:commandButton> tags fire when I have two <h:form> tags on the page. Is it allowed to have more than one <h:form> tag on the page. The Html from two forms is rendered, however the action="backing bean" isn't fired. I could use some help here.
Using JSF 2.0 with MyFaces and hibernate 3.2

Tim Holloway
Saloon Keeper

Joined: Jun 25, 2001
Posts: 16014
    
  20

You can have as many h:form elements on a page as you can endure. I do this all the time.

The rules are the same as for straight HTML forms:

1. FORMs cannot be nested nor can they overlap.

2. ONLY the data in the form that contains the SUBMIT button (or other control) that fired off the request will be posted back to the server.

And for JSF:

3. If ANY control value on the submitted form fails validation, NONE of the backing bean properties will get updated AND the action method and/or listeners will not be fired. When in doubt, add an h:messages tag to your page to display any possible "validation failed" messages.


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