private static string[] autoCompleteWordList = null;      public string[] GetCompleteDepart(int count,string sql,string filed)      {          if (count == 0)          {              count = 10;          }          //如果数组为空                    DataSet ds = new CommonDAO().ReturnDataSet(sql);//数据集          //填充数组          string[] temp = new string[ds.Tables[0].Rows.Count];          int i = 0;          foreach (DataRow dr in ds.Tables[0].Rows)          {              temp[i] = dr[filed].ToString();//字段              i++;          }          //将临时数组的内容赋给返回数组          autoCompleteWordList = temp;          string[] returnValue = http://www.mamicode.com/new string[count];          returnValue = autoCompleteWordList;          //返回          return returnValue;      }