public DataTable IListOut(IList<ViewUserInfo> ResList)    {        DataTable TempDT = new DataTable();        //此处遍历IList的结构并建立同样的DataTable        System.Reflection.PropertyInfo[] p = ResList[0].GetType().GetProperties();        foreach (System.Reflection.PropertyInfo pi in p)        {            TempDT.Columns.Add(pi.Name, System.Type.GetType(pi.PropertyType.ToString()));        }        for (int i = 0; i < ResList.Count; i++)        {            ArrayList TempList = new ArrayList();            //将IList中的一条记录写入ArrayList            foreach (System.Reflection.PropertyInfo pi in p)            {                object oo = pi.GetValue(ResList[i], null);                TempList.Add(oo);            }            object[] itm = new object[p.Length];            //遍历ArrayList向object[]里放数据            for (int j = 0; j < TempList.Count; j++)            {                itm.SetValue(TempList[j], j);            }            //将object[]的内容放入DataTable            TempDT.LoadDataRow(itm, true);        }        //返回DataTable        return TempDT;    }