How to pass variables to render_to_string?

Question

Trying to do the following

@message = render_to_string ( :sender => sender, :template => \"template\" )          

But when accessing

Answer 1

I was trying to render a different format of partial in render_to_string. The thing which really worked for me was:

render_to_string(:partial => 'partial_file.html', :locals => {:variable => variable}, :format => :html)

where the name of the file was _partial_file.html.erb.