/// <summary>
/// 搜索帖子
/// </summary>
/// <param name="keywords"></param>
/// <param name="page"></param>
/// <returns></returns>
public List <_QuestionInfo> SearchQuestion(string keywords, Paging page)
{
DataSet ds = dal.SearchQuestion(page.StartIndex, page.EndIndex, keywords);
List <_QuestionInfo> list = new List <_QuestionInfo>();
page.RecordCount = Convert.ToInt32(ds.Tables[0].Rows[0][0]);
list.AddRange(ModelConvertHelper <_QuestionInfo> .ConvertToList(ds.Tables[1]).OrderByDescending(a => Convert.ToDateTime(a.CreateTime).ToString("yyyy-MM-dd")).ThenByDescending(a => a.PVCount).ToList());
return(list);
}