<ej:TreeGrid ID="TreeGrid1" runat="server"
<asp:SqlDataSource runat="server" ID="SQL1" ConnectionString="DefaultConnection"
SelectCommand="SELECT * FROM treedatatable"></asp:SqlDataSource>
Thank you for help but i don't understand what to do to make it works. May be my dat are not well designed.Here's what I have and what i want :Is it possible to make this with treegrid ?What must be my treegrid parameters ?Thank you very much