ASP. net file copy or delete with relative path, file.copy with relative path, skillfully copy file with relative path

Copy files again

C # code

1. File.Copy (Server.MapPath ("File relative path copied"), Server.MapPath ("Destination relative path"), true);

Note: If the third parameter is true, a file with the same name as the target location will be overwritten.

C # code

1. File.Copy (Server.MapPath (". /.. /appdir/temp.jpg "), Server.MapPath (". /..   /appkir/tteemmpp.jpg "), true);

If you do not need to Server.MapPath ("path"), to copy the file will be an error, the following errors

C # code

1. File.Copy (".. /.. /appdir/temp.jpg ", Server.MapPath (". /.. /appkir/tteemmpp.jpg "), true); //Wrong wording

However, the path of the copied location can be used without the following correct

C # code

1. File.Copy (Server.MapPath (". /.. /appdir/temp.jpg "), ". /.. /appkir/tteemmpp.jpg ", true); //correct

Similarly, there are

File.delete ("");
System.Drawing.Image.FromFile ("");
And so on, all must use absolute path or add Server.MapPath ("path"), relative path, if use relative path error, may try Server.MapPath ("path");

ASP. net file copy or delete with relative path, file.copy with relative path, skillfully copy file with relative path