struct SexConv : Convert
{
	Value Format(const Value& q) const
	{
		switch(int(q))
		{
			case SEX_MALE: return "Male";
			case SEX_FEMALE: return "Female";
			case SEX_CHILD: return "Child";
		}		
		return Null;
	}
};

grid.AddColumn("Key column").SetConvert(Single<SexConverter>());

grid.Add(SEX_MALE).Add(SEX_FEMALE);