Rails - May 2006 - Including dynamic list of params in link_to

How do I include all incoming URL parameters (i.e. 
list_content.rhtml?content_id=23) in my link_to statements?

I know I can include specific parameters in the link_to, by using 
":variable_name => 123"  in the link_to statement...  But what If I
dont'' know what the incoming parameters will be... and I simply want to
include them along with any other specific variables I choose.

I am using sortable columns in a table, and need to reload the page -- 
and I''m trying to use some common functions for this.. .but
I''m getting
hung up with knowing what the incoming params are and including them on 
all my links.


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Brandon Kelly wrote:
> How do I include all incoming URL parameters (i.e. 
> list_content.rhtml?content_id=23) in my link_to statements?
> 
link_to :content_id => params[:content_id], :another => 
params[:another], :andanother => params[:andanother], etc

If a parameter is not sent in your http get request,  the param value is 
nil, ie param[:another].nil? is true. Your logic in the controller''s 
action (eg ''list_content'') should handle the different
combinations of
parameter values.

Lindsay


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