1. To run the web site simply open Visual Studio and from the File menu select
   Open -> Web Site and select the current containing folder.

2. Once the web site is opened, you can go to the web.config file and replace YUSEIN with your datasource name:
    <connectionStrings>
      <add name="ConnectionString" connectionString="Data Source=YUSEIN;AttachDbFilename=|DataDirectory|\Northwind.mdf;Integrated Security=True;  
           User Instance=True" providerName="System.Data.SqlClient" />
    </connectionStrings>

3. Run the page in your browser and free feel to experiment by drag-n-dropping various fields on the Pivot Table's areas.