BlogEngine.Core.Providers.DbBlogProvider.FillReferrers C# (CSharp) Method

        public override List<Referrer> FillReferrers()
        {
            this.DeleteOldReferrers();

            var referrers = new List<Referrer>();

            using (var conn = this.CreateConnection())
            {
                if (conn.HasConnection)
                {
                    using (var cmd = conn.CreateTextCommand(string.Format("SELECT ReferrerId, ReferralDay, ReferrerUrl, ReferralCount, Url, IsSpam FROM {0}Referrers WHERE BlogId = {1}blogid ", this.tablePrefix, this.parmPrefix)))
                    {
                        cmd.Parameters.Add(conn.CreateParameter(FormatParamName("blogid"), Blog.CurrentInstance.Id.ToString()));

                        using (var rdr = cmd.ExecuteReader())
                        {
                            while (rdr.Read())
                            {
                                var refer = new Referrer
                                    {
                                        Id = rdr.GetGuid(0),
                                        Day = rdr.GetDateTime(1),
                                        ReferrerUrl = new Uri(rdr.GetString(2)),
                                        Count = rdr.GetInt32(3),
                                        Url = rdr.IsDBNull(4) ? null : new Uri(rdr.GetString(4)),
                                        PossibleSpam = rdr.IsDBNull(5) ? false : rdr.GetBoolean(5)
                                    };

                                referrers.Add(refer);
                                refer.MarkOld();
                            }
                        }
                    }
                }
            }

            return referrers;
        }