public Keyword RandomKeywordByCategory(string catname)
{
Keyword kw = new Keyword();
int catid = catRepository.FindByName(catname).CategoryId;
return kwRepository.GetByCatId(catid);
}
public Keyword RandomKeyword(int total)
{
Keyword kw = new Keyword();
Random rand = new Random();
int a = rand.Next(1, total - 1);
return kwRepository.GetById(a);
}