c# - Moving files from one location to another -


i'm trying make program move (cut , paste) files 1 directory (a folder) directory. in example, i'm trying move files inside d:\source folder (has few files in it) c:\source folder (which has no files in it). when run program, error.

http://s13.postimg.org/kuufg0gmu/error.jpg

here full source code:

using system.io;     namespace filemanager {     public partial class form1 : form     {         string sourcedirectory = "";         //string destinationdirectory = @"c:\destination";         string date = "";         string[] filepaths;         string destinationpath;          public form1()         {             initializecomponent();         }          private void buttonclean_click(object sender, eventargs e)         {             // source directory             sourcedirectory = textboxdirectory.text;             // date of files             date = textboxdate.text;             // file paths             if (directory.exists(sourcedirectory))             {                 filepaths = directory.getfiles(@sourcedirectory, "*", searchoption.alldirectories);                 foreach (string sourcepath in filepaths)                 {                     destinationpath = sourcepath.remove(0, 1).insert(0, "c");                      file.copy(sourcepath, destinationpath);                      //messagebox.show(destinationpath);                 }             }             else             {                 messagebox.show("directory not exist.");             }             }     } }

you need check if destination directory exists copy files otherwise first create destination directory.

foreach (string sourcepath in filepaths)  {   destinationpath = sourcepath.remove(0, 1).insert(0, "c");    if(!directory.exists(destinationpath))       directory.createdirectory(destinationpath);   file.copy(sourcepath, destinationpath);   //messagebox.show(destinationpath);  }

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