App_Data folder in a virtual application or directory

This is a common issue when working with webservices in virtual applications in the IIS. Imagine this folder structure:

Website with virtual application

Website with virtual application

The “Website” is the website with it’s App_Data, and “Virtual Application” is a virtual application running a webservice with it’s own App_Data.

To get the physical path to the website’s App_Data folder you write:


And to get the physical path to the Virtual Application’s App_Data folder you write:


The difference lies within the tilde (~) sign, as this defines the relativeness of the path. Adding a “~” to the path tells .NET that this path is relative to where I am.

About briancaos

Developer at Pentia A/S since 2003. Have developed Web Applications using Sitecore Since Sitecore 4.1.
This entry was posted in .net, c#, General .NET and tagged , , , . Bookmark the permalink.

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