use instance variable for column on render_field
use instance variable for column on render_field

budree/active_scaffold,mallikarjunayaddala/active_scaffold,budree/active_scaffold,mallikarjunayaddala/active_scaffold,budree/active_scaffold,AlbertoBarrago/active_scaffold,mallikarjunayaddala/active_scaffold,activescaffold/active_scaffold,AlbertoBarrago/active_scaffold,activescaffold/active_scaffold,AlbertoBarrago/active_scaffold,activescaffold/active_scaffold