Model:

    public class RbcEntry
    {
        public RegionalCouncilDTO RegionalCouncil { get; set; }
        public string Continent { get; set; }
        public string CountryResponsible { get; set; }

        public RbcEntry()
        {
            
        }
        public RbcEntry(NationalSpiritualAssemblyDTO nsa, RegionalCouncilDTO regionalCouncil)
        {
            Continent = nsa.Continent;
            CountryResponsible = nsa.Name;
            RegionalCouncil = regionalCouncil;
        }
    }
    
	<%=
        Html.Telerik().Grid<RbcEntry>()
            .Name("Grid")
            .DataBinding(dataBinding =>
                dataBinding.Ajax()
                    .Select("_Index", "Home")
                    .Update("Update", "Home")
            )
            .DataKeys(dataKeys => dataKeys.Add(r => r.RegionalCouncil.SerialNumber))
            .Columns(columns =>
                         {
                             columns.Bound(r => r.RegionalCouncil.DateFrom).Format("{0:MM/dd/yyyy}").Width(120);
                             columns.Bound(r => r.RegionalCouncil.NumberOfMembers).Width(100);
                             columns.Bound(r => r.RegionalCouncil.AppointedOrElected);
                             columns.Command(commands => commands.Edit());
                         })
            .DetailView(detailView => detailView.ClientTemplate(
                Html.Telerik().TabStrip()
                .Name("TabStrip_<#= SerialNumber #>")
                .SelectedIndex(0)
                .Items(items =>
                                      items.Add().Text("History").Content(
                                          Html.Telerik().Grid<RegionalCouncilDTO>()
                                          .Name("History_<#= SerialNumber #>")
                                          .DataBinding(hdataBinding => hdataBinding.Ajax()
                                                .Select("_History", "Home", new { id = "<#= SerialNumber #>" }))
                                          .Columns(
                                                    columns =>
                                                    {
                                                        columns.Bound(h => h.RegionalCouncilFullName).Width(
                                                            350);
                                                        columns.Bound(h => h.NumberOfMembers).Width(100);
                                                        columns.Bound(h => h.ApprovalDate).Format(
                                                            "{0:MM/dd/yyyy}").Width(120);
                                                    })
                                                .Footer(false)
                                                .ToHtmlString()
                                            )


                            ).ToHtmlString()
        ))
                                                                    
    %>