The VirtualPath property returns the virtual path to the
resource requested by the client. For example, if the client sends the
GET command to the
server, this property will return the complete virtual path to the
that the client wants to download. This property will only return a
value for those requests that perform some action on a file
or directory, otherwise it will return an empty string.
Setting this property allows you to effectively redirect the client
to use a different resource than the one that was actually requested.
If the path is absolute, then it will be used
as-is. If the path is relative, it will be relative to the server root
directory. If this property is set to an empty string, then the server
will revert to using the actual file or directory name specified by
This property should only be set within an OnCommand event
handler, and only for those requests that perform an action on a file
or directory. If the current command does not target a file or
directory, setting this property will cause an exception to be raised
by the control. Exercise caution when using this property to redirect
the server to use a different file than the one requested by the
client; changing the target file may cause the client to behave in
To instruct the client to use a different resource
URI, it is recommended that you use the RedirectRequest method
rather than modifying the value of this property.