> Parameters:
> {"authenticity_token"=>"kpYmwJjjYcJ3PNWBGaBf8rBd1Xxmg1WJjCkDtEYUq+0=",
> "id"=>"A" }
> 
> so how can i check "agency" coming or not

This will give you a default value for agency:

agency = params[:agency] || {"status"=>"all", "contracts_id"=>"",
"state_id"=>"2", "agency_id"=>""}

This checks whether 'agency' exists or not.

if params[:agency].nil?
...
end
-- 
Posted via http://www.ruby-forum.com/.

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