不能使用 SqlDataReader 和 ExecuteReader 将 SQL 中的 varbinary 放入 C#

我已经看到过许多解决这个问题的解决方案，人们只会使用Command.ExecuteScalar as byte[];但他们的SQL查询一次只得到一个varbinary字段。我正在尝试选择大约 30k 行 varbinary 条目，但它们在一个字节 [] 中并反序列化。

这是我的代码：

public void MNAdapter()
    {
        IsoStorage retVal = new IsoStorage();
        SqlConnectionStringBuilder csb = new SqlConnectionStringBuilder();
        csb.DataSource = @"LocalMachine'SQLDEV";
        csb.InitialCatalog = "Support";
        csb.IntegratedSecurity = true;
        string connString = csb.ToString();
        using (SqlConnection conn = new SqlConnection(connString))
        {
            conn.Open();
            SqlCommand command = conn.CreateCommand();
            command.CommandText = @"SELECT S.Settings
from Support.dbo.SavedLocalSettings S
inner join WebCatalog.Published.People P
on P.PKey = S.PeopleLink
inner join WebCatalog.Published.Company C
on P.Link = C.PeopleList
where S.DateSaved >= GETDATE()-34
and C.PKey != '530F4622-C30D-DD11-A23A-00304834A8C9'
and C.PKey != '7BAF7229-9249-449E-BEA5-4B366D7ECCD1'
and C.PKey != 'CCBB2140-C30D-DD11-A23A-00304834A8C9'
and S.CompanyName not like 'Tech Support%'
Group By S.PeopleLink, S.Settings";
using (SqlDataReader reader = command.ExecuteReader(CommandBehavior.SequentialAccess))
                {
                    //DataTable dt = new DataTable();
                    //dt.Load(reader);
                    byte[] blob = null;
                    BinaryFormatter bf = new BinaryFormatter();
                    bf.Binder = new CustomBinder();
                    while (reader.Read())
                    {
                        reader.GetBytes(0,0,blob,0,100000);
                        Console.WriteLine(blob.ToString());
                        retVal = bf.Deserialize(new MemoryStream(blob)) as IsoStorage;
                    }
                }
            }
        }

我还尝试先将它们放在数据标签中，尽管我认为这是多余的，但它们被读入为整数。

我没有收到任何错误，数据正在进入数据读取器，但就像reader.GetBytes(0,0,blob,0,100000);甚至没有运行，因为 blob 保持为空。

blob = (byte[])reader.Items["Settings"];

blob = (byte[])reader["Settings"];