Linq操作DataTable

IEnumerable<DataRow> q = from dr in dt.AsEnumerable()

                         where dr.Field<int>("ID").ToString() == "1"

                         select new

{

ID=dr["ID"].ToString(),

Name=dr["Name"].ToString(),

CreateDate=Convert.ToDateTime(dr["CreateDate"]).ToString("yyyy-MM-dd")

};

IEnumerable<DataRow> q = dt.AsEnumerable().Where<DataRow>(r => (r.Field<int>("ID").ToString() == "1"));