public Question CreateQuestion(string categoryIDString, string source, string userName, MetaData meta)
{
long categoryID = Convert.ToInt64(categoryIDString);
var category = CategoryRepository.Find(categoryID);
Question question = new Question();
question.QuestionID = IDProvider.GetNewId("QuestionID");
question.CreatedTime = TimeProvider.Now;
question.CreatedUserName = userName;
question.Category = category;
question.Source = source;
meta.AlterWiki("Answer", userName, new KEYID("QuestionAnswer", question.QuestionID));
question.Meta = meta;
return question;
}