public string[] GetCompletionList(string prefixText)
 {
     Database db = DatabaseFactory.CreateDatabase();
     DbCommand dbCommand = db.GetSqlStringCommand("select top 9 username FROM UserInfo where username like '" + prefixText + "%'");
     DataSet ds = db.ExecuteDataSet(dbCommand);
     List<string> items = new List<string>();
     foreach (DataRow dr in ds.Tables[0].Rows)
     {
         items.Add(dr["username"].ToString());
     }
     return items.ToArray();
 }
        public string[] GetCompletionList(string prefixText)
        {
            Database db = DatabaseFactory.CreateDatabase();
            DbCommand dbCommand = db.GetSqlStringCommand("select username FROM UserInfo where username like '" + prefixText + "%'");
            DataSet ds = db.ExecuteDataSet(dbCommand);
            //SqlConnection _sqlConnection = new SqlConnection();
            //_sqlConnection.ConnectionString = ConfigurationManager.AppSettings["Conn"];
            //_sqlConnection.Open();
            //SqlDataAdapter da = new SqlDataAdapter();
            //da.SelectCommand = new SqlCommand("_selectWords FROM [AutoComplete] where Words like '" + prefixText + "%'", _sqlConnection);
            //DataSet ds = new DataSet();
            //da.Fill(ds);

            List<string> items = new List<string>();
            foreach (DataRow dr in ds.Tables[0].Rows)
            {
                items.Add(dr["Words"].ToString());
            }
            return items.ToArray();
        }