Why mappath("~") didn't return my application root directory?

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C#

I am writing an application in asp.net. My current page is in this folder:
D:\VisualStudio2015\Source\VestVB\admin\abc.aspx. 
I want to go to the folder of D:\VisualStudio2015\Source. 
when I write the code: Response.write(Server.MapPath(".")), 
I got: D:VisualStudio2015\Source\VestVB\admin. 
if I change the code to server.mapPath(".."), 
I got D:VisualStudio2015\Source\VestVB. 
if I change the code to server.mapPath("../..")
I got ERROR: Cannot use a leading .. to exit above the top directory. 
How can I get to D:VisualStudio2015\Scource?

thanks in advance.

What I have tried:

I have tried both mapPath("~") and mapPath("../.."), both don't work for me.

Posted 3-Dec-16 10:42am

Mary 6

Updated 3-Dec-16 11:54am

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Dave Kreskowiak · Answer 1 · 2016-12-03T11:54:00

Solution 1

You can't, for security reasons. It's that simple.

The TOP of your application is D:\VisualStudio2015\Source\VestVB\admin. Your code can never navigate above that folder.

Posted 3-Dec-16 11:54am

Dave Kreskowiak