Facebook. Net Library
Http://facebooksdk.codeplex.com/
Facebook JavaScript Library
Http://developers.facebook.com/docs/reference/javascript/
Facebook still provides a lot of good stuff .... I don't know if my website can be accessed in China.
Asp.net web. config setting
< Configuration > < Configsections > < Section Name = "Facebooksettings" Type = "Facebook. facebookconfigurationsection" /> </ Configsections > < Facebooksettings Appid = "Appid" Appsecret = "Appsecret" Cookiesupport = "True" /> < System. Web > < Compilation Debug = "False" Targetframework = "4.0" /> < Httphandlers > < Add Verb = "*" Path = "Facebookredirect. axd" Type = "Facebook. Web. facebookappredirecthttphandler, Facebook. Web" /> </ Httphandlers > </ System. Web > < System. Webserver > < Validation Validateintegratedmodeconfiguration = "False" /> < Modules Runallmanagedmodulesforallrequests = "True" /> < Handlers > < Add Name = "Facebookredirect. axd" Verb = "*" Path = "Facebookredirect. axd" Type = "Facebook. Web. facebookappredirecthttphandler, Facebook. Web" /> </ Handlers > </ System. Webserver > </ Configuration >