图片存入数据库image中,取出时出错,提示参数无效为什么?代码是这样写的

Question

string imagename;
                    byte[] b = (Byte[])rd["pict"];
                     System.IO.MemoryStream ms = new System.IO.MemoryStream(b);
                     ms.Write(b,0,b.Length);
                     System.Drawing.Image bm = System.Drawing.Image.FromStream(ms);
                     bm.Save("c:\\dd4.jpg");
                    Image2.ImageUrl="c:\\dd4.jpg";

Answer 1

提示这句有问题!System.Drawing.Image bm = System.Drawing.Image.FromStream(ms); 

Answer 2

System.Drawing.Image bm = System.Drawing.Image.FromStream(ms); 参数无效

Answer 3

JPG图片存入数据库和取出就这么难吗?

Answer 4

看起来memory steam 有很多问题。还是换个解决方案吧。
http://forums.msdn.microsoft.com/zh-CN/vbgeneral/thread/24d9af90-0461-44da-96f4-900fab7d5b9d/