         offset : 0
       )
       @model.save()
+      e.preventDefault()
       return false
 
 

      if _.isNaN(offset)
        offset = @model.defaults.offset
      @model.save('offset', offset, {wait : true})

  pandassize : (e) ->
    if e.keyCode == ENTER
      sizetxt = @$el.find('.pandassize').val()

      code = $(e.currentTarget).val()
      source = @model.get_obj('source')
      source.rpc('search', [code])
      e.preventDefault()
  column_del : (e) =>
    source = @model.get_obj('source')
    old = source.get('computed_columns')
