How to Replace File Name

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Hi Friends ,

I have replace the file name..

C#

string pfname = @"E:\Image\" + filename + ".jpg";
           string BackUp=@"E:\BackupImage\" + filename + "1.jpg";
           MemoryStream ms = new MemoryStream(image);
           Image returnImage = Image.FromStream(ms);
           FileInfo ffi = new FileInfo(pfname);
           if (ffi.Exists)
           {
               //System.IO.FileInfo file = new System.IO.FileInfo(pfname);
               //System.IO.FileInfo f = file.CopyTo(pfname, true);
               //file.Delete();
              ReplaceFile(pfname, pfname, BackUp);
              // System.IO.File.Delete(pfname);
               //System.IO.F
           }
           returnImage.Save(@"E:\Image\" + filename + ".jpg", System.Drawing.Imaging.ImageFormat.Jpeg);

C#

public static void ReplaceFile(string FileToMoveAndDelete, string FileToReplace, string BackupOfFileToReplace)
    {
        File.Replace(FileToMoveAndDelete, FileToReplace, BackupOfFileToReplace, false);

    }

I have the big problem. if file name is exits -

I get the error for.
The process cannot access the file because it is being used by another process.

How to solved this.

Note : I cant use file. Delete function.

Regards.
sathya

Posted 16-Mar-12 9:37am

SathyaRaju

Updated 16-Mar-12 13:57pm

RaisKazi

v2

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Anuj Banka · Answer 1 · 2012-03-16T18:40:00

dispose the memory stream then call delete function.

C#

if (ffi.Exists)
          {
ms.Close();
              //System.IO.FileInfo file = new System.IO.FileInfo(pfname);
              //System.IO.FileInfo f = file.CopyTo(pfname, true);
              //file.Delete();
             ReplaceFile(pfname, pfname, BackUp);
             // System.IO.File.Delete(pfname);
              //System.IO.F
          }