/// <summary>
/// 获取单个值
/// </summary>
/// <param name="tablename"></param>
/// <param name="fieldStr"></param>
/// <param name="strWhere"></param>
/// <returns></returns>
public object GetSingle(string tablename, string fieldStr, string strWhere, string strOrder, Hashtable hs)
{
return(dal.GetSingle(tablename, fieldStr, strWhere, strOrder, hs));
}