Null Reference exception object reference not set to instance of an ob

Question

public bool OptionExists(int id)

{

return _context.Option.Any(e => e.OptionID == id);

//var city = AggregateOptionExists.GetAggregateOption(id);

//if (city == null)

// {

// return NotFound();

// }

// return city;

}

 

 

I am having null values in Db how to handle null reference exception at _context.Option