File generation binary stream, binary stream generation file

2. #region Convert binary to file
4. public static string Convertbytetofile (object objdata, string filepathname)
6. {
8. //string fileName = "";
10. //filename = new Publicconst ().  Pathtempfile + fileName;
12. String folder = System.IO.Path.GetDirectoryName (filepathname);
14. if (! System.IO.Directory.Exists (folder))
16. {
18. System.IO.Directory.CreateDirectory (folder);
20. }
22. if (System.IO.File.Exists (filepathname))
24. {
26. Try
28. {
30. System.IO.File.Delete (filepathname);
32. }
34. Catch
36. {
38. //("Fileinuse");
40. return "";
42. }
44. }
46. System.IO.FileStream fs = new System.IO.FileStream (Filepathname, System.IO.FileMode.Create,  System.IO.FileAccess.Write);
48. System.IO.BinaryWriter w = new System.IO.BinaryWriter (FS);
52. Try
54. {
56. W.write (Objdata as byte[]);
58. }
60. catch (Exception)
62. {
64. }
66. finally
68. {
70. W.close ();
72. Fs. Close ();
74. }
76. return filepathname;
78. }
80. #endregion

2. #region convert files into binary
4. public static byte[] Convertfiletobyte (string fileName)
6. {
8. if (! System.IO.File.Exists (fileName))
10. {
12. return null;
14. }
16. System.IO.FileStream fs = new System.IO.FileStream (FileName, System.io.filemode.open,system.io.fileaccess.read,  Fileshare.readwrite);
18. byte[] Nowbyte = new byte[(int) fs.  Length];
20. Try
22. {
24. Fs. Read (nowbyte, 0, (int) fs.  Length);
26. return nowbyte;
28. }
30. catch (Exception)
32. {
34. return null;
36. }
38. finally
40. {
42. Fs. Close ();
44. }
46. }
48. #endregion

File generation binary stream, binary stream generation file