c# - How in Linq to entity replace true or false with On or Off? -

i need bind grid linq entity(asp c#), when im binding need replace true or false on or off. how can accomplish it?

ex.

var t = k in entity.table select k.isactive; 

so in result if

isactive == true need return on
isactive == false need return off

var t = k in entity.table select k.isactive ? "on" : "off";