LinqDataSource & multiple tables

http://forums.asp.net/p/1355873/2784407.aspx

http://www.devx.com/dotnet/Article/37065/1954

http://weblogs.asp.net/toddanglin/archive/2007/09/18/using-the-linqdatasource-a-practical-look.aspx

http://stackoverflow.com/questions/32433/linq-select-with-multiple-tables

http://forums.asp.net/t/1301850.aspx

http://stackoverflow.com/questions/66094/net-35-linq-datasource-and-joins

http://www.beansoftware.com/ASP.NET-Tutorials/LINQDataSource-Control.aspx

http://www.ddj.com/205100230