How open byte[] into adobe format?

[MaestroALF]

I has image into byte[]. I need to open it into adobe file in asp.net. I using following code : \[code\]byte[] bytes = contractimage.Value.Bytes; if (bytes == null) { Response.Write("Not found."); Response.End(); } else { Response.AddHeader("content-disposition", "attachment;filename=statement" + contractGuid.ToString() + ".pdf"); Response.ContentType = "application/pdf"; Response.OutputStream.Write(bytes, 0, bytes.Length); Response.End(); }\[/code\]But this code display an error that adobe canot dispalay this file it may be corrupted.Please suggest