render_component is used to call an action in a controller while rendering a view. Note the difference in how to pass parameters to the controller between link_to and render_component link_to 'Edit', {:controller => 'notes', :action => 'edit', :p1 => @note, :p2 => @zippo } render_component :controller => 'notes', :action => 'edit', :params => {:p1 => @note, :p2 => @zippo}
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