获取表的字段列表

public static ArrayList  ReturnTableField(string tableName)
  {
   string sql="SELECT  c.name as FieldName FROM SYSCOLUMNS c inner join  systypes t on c.xusertype=t.xusertype WHERE c.ID = OBJECT_ID('"+tableName+"')";
   
   return DBHelper.ExecuteArrayList(CommandType.Text,sql,0);

  }