DataAdapter를 사용하고 데이터 테이블에 채 웁니다.
http://www.codeproject.com/Questions/358631/how-to-bind-data-from-sql-server-to-datalist-using
List <string> datalist1 = new List<string>();
datalist1.DataSource = _dtTable1;
datalist1.DataBind();
출처
https://stackoverflow.com/questions/22019866