Could not load file or assembly 'System.Web.Mobile' or one of its dependencies. The system cannot find the file specified.

Could not load file or assembly 'System.Web.Mobile' or one of its dependencies. The system cannot find the file specified.
Source Error:

Line 1: <%@ page language="C#" autoeventwireup="true" inherits="mobile_qccontrol, App_Web_-_tlfas5" %> Line 2: Line 3: <%@ Register TagPrefix="mobile" Namespace="System.Web.UI.MobileControls" Assembly="System.Web.Mobile" %> Line 4: Line 5: <html xmlns="http://www.w3.org/1999/xhtml" >

When our web appication is developed using .Net Framework 2.0, we need to specify the same in our IIS...

a) Open the IIS (Internet Information Services)
b) Go to Application Pools, and right click on the related one
c) Click on Advanced Settings
d) Change .NET CLR Version to v2.0