Issue for Matrix Management scenario in Google Organizational Chart in ASP.Net

http://www.aspsnippets.com/Articles/Create-Organizational-Chart-from-Database-using-Google-Organizational-Chart-in-ASPNet.aspx

I follow this link to make Org chart.and i succesfull to make chart from above link idea.

But Main point arise is that what can i do when i have multiple managers.

I will post my code if above link is not enoungh

Thanks