SQL二进制转换与.Net二进制转换

CREATE TABLE Setting
(
   ID int NOT NULL,
   Value varbinary(MAX) NOT NULL
)

INSERT INTO Setting (Value) VALUES (CONVERT(VARBINARY(MAX), 5.4))

cmd.CommandText = \"SELECT CONVERT(VARBINARY(MAX), 2.3)\";
byte[] bytes = (byte[])ExecuteSelect(cmd).Rows[0][0];
System.IO.MemoryStream ms = new System.IO.MemoryStream();
System.IO.BinaryWriter br = new System.IO.BinaryWriter(ms);
br.Write(bytes);
System.IO.BinaryReader br2 = new System.IO.BinaryReader(ms);
decimal d = br2.ReadDecimal();

cmd.CommandText = \"SELECT CONVERT(VARBINARY(MAX), 2.3)\";
byte[] bytes = (byte[])ExecuteSelect(cmd).Rows[0][0];
System.IO.MemoryStream ms = new System.IO.MemoryStream();
ms.Write(bytes, 0, bytes.Length);
System.Runtime.Serialization.Formatters.Binary.BinaryFormatter bf = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
decimal d = (decimal)bf.Deserialize(ms);