read server file

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I have created folder in the server inside this i am copying files into it now i need to read file and show it according to its format.

i need to this using converting it into the bytes

that i can do

byte[] content = File.ReadAllBytes(path);

but how to read file

I can do this using server.mappath.but it creates folder under current directoy.

how to access say some path D://Test foleder(web site is not hosted under this folder

can we do this.

Posted 2-Sep-10 0:18am

Amit Patel1985

Updated 2-Sep-10 0:45am

v2

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3 solutions

Solution 2

if you already know the path why is there a need for sever.mappath, if you are getting access denied while trying access files outside the webapplication folder, most likely its because IIS is run under a more secured zone. and if you are looking for the directory where the web site is hosted on the server's hard disk use this property

Request.PhysicalApplicationPath

inside your asp.net page's code behind.

Posted 2-Sep-10 4:30am

Samuel Cherinet

Solution 3

you need setting access right for folder

mouse right click folder name -->property ->security -> ADD NEWWORK SERVICE

Posted 2-Sep-10 22:23pm

sunjunfeng3

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Al-Farooque Shubho · Accepted Answer · 2010-09-02T02:41:00

I am not sure whether I understood your problem correctly.

Assuming you have some files udner D://Test folder and your physical web application directory is in some other folder (Say, C://web/myapp).

Now, you need to know the correct file path from within your web application, right?

If that is so, you can't do that using the Server.MapPath() because, this method constitutes the physical path by using the relative Url and the physical path of the application folder. So, if the file is within the web application folder, you can use Server.MapPath(). to determine the physical location of the file, otherwise not.

In your case, you can maintain the folder path in the <appsettings></appsettings> section of your web config and you can read that configuration value to constitute the file Path.

Suppose, you configured the directoy path as D://Test
And, your file name is Howto.doc

So, you have to determine the physical path of the file (Using System.IO.Path.Combine() method) : D://Test/Howto.doc

Hope that helps.