cmd.Parameters.Add(new OleDbParameter("@msgContent",SqlDbType.Image));
//给参数赋值
byte [] msg_content=Encoding.ASCII.GetBytes(msgcontent); cmd.Parameters["@msgContent"].Value=msg_content;
flag=cmd.ExecuteNonQuery();
//给参数赋值
byte [] msg_content=Encoding.ASCII.GetBytes(msgcontent); cmd.Parameters["@msgContent"].Value=msg_content;
flag=cmd.ExecuteNonQuery();
2、查看System.Runtime.Serialization.Formatters.Binary.BinaryFormatter类的Serialize和Deserialize方法