http://blog.tsathish.com/?p=113

The alternative best place is http://www.webswapp.com/codesamples/aspnet20/dropdownlist_gridview/default.aspx

Add guide to your VS IDE for better visibility

[HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\9.0\Text Editor]
"Guides"="RGB(220,220,220) 80"

Refernce link

http://silverzine.com/resources/designing-windows-phone-7-applications/

http://alihamza.wordpress.com/2010/09/30/mvvm-and-prism-quick-overview/

http://osmirnov.net/?p=120

WP7 Bandwagon is here you wanna jump on it link

http://osmirnov.net/?p=120

http://www.codeproject.com/KB/windows/podium.aspx

http://www.codeproject.com/KB/windows/podium.aspx