For some reason the previous and next buttons are not updating my clanedar the date with the back button and next button.
<telerik:RadScheduler ShowAllDayRow="false" OnTimeSlotCreated="apertureAppointments_TimeSlotCreated" OverflowBehavior="Auto" runat="server" WeekView-ShowDateHeaders="true" ID="apertureAppointments" TimelineView-UserSelectable="false" DayView-UserSelectable="true" AgendaView-UserSelectable="True" DataKeyField="ID" DataSubjectField="Subject" AllowInsert="false" AllowDelete="false" AllowEdit="false" DataStartField="Start" DataEndField="End" DataRecurrenceField="RecurrenceRule" DayView-EnableExactTimeRendering="true" WeekView-UserSelectable="True" SelectedView="WeekView" DataRecurrenceParentKeyField="RecurrenceParentID" DataSourceID="EntityDataSource1" StartInsertingInAdvancedForm="True" MonthView-UserSelectable="True" AgendaView-NumberOfDays="5" RowHeight="40px" RenderMode="Classic" EnableExactTimeRendering="True" DataReminderField="Reminder" Width="800px" Height="1000px" EnableDatePicker="true" ShowHeader="true" ShowDateHeaders="true" DayStartTime="09:00:00" ShowFooter="false" DayEndTime="18:00" FirstDayOfWeek="Monday" LastDayOfWeek="Friday" HoursPanelTimeFormat="HH:mm tt" OnAppointmentClick="apertureAppointments_AppointmentClick" OnTimeSlotContextMenuItemClicking="apertureAppointments_TimeSlotContextMenuItemClicking" EnableDescriptionField="true" AppointmentStyleMode="Default" Skin="Metro" OnNavigationCommand="apertureAppointments_NavigationCommand"> <AdvancedForm Modal="True" /> <Reminders MaxAge="5" /> <Reminders Enabled="true"></Reminders> <TimeSlotContextMenuSettings EnableDefault="false" /> <AppointmentContextMenuSettings EnableDefault="false" /> <DayView EnableExactTimeRendering="True" /> <AdvancedForm Modal="true"></AdvancedForm> <ResourceTypes> <telerik:ResourceType KeyField="lookup_code" Name="Managers" TextField="lookup_description" ForeignKeyField="managerId" DataSourceID="ManagersDataSource"></telerik:ResourceType> </ResourceTypes> <ResourceStyles> <%--AppointmentStyleMode must be explicitly set to Default (see above) otherwise setting BackColor/BorderColor will switch the appointments to Simple rendering (no rounded corners and gradients)--%> <telerik:ResourceStyleMapping Type="Managers" Text="Natalie Edgar" BackColor="#512479" ApplyCssClass="appointment" /> <telerik:ResourceStyleMapping Type="Managers" Text="Clare Coyle" BackColor="#512479" ApplyCssClass="appointment" /> <telerik:ResourceStyleMapping Type="Managers" Text="Christine Clarke" BackColor="#512479" ApplyCssClass="appointment" /> <telerik:ResourceStyleMapping Type="Managers" Text="Adam Adair" BackColor="#512479" ApplyCssClass="appointment" /> </ResourceStyles> </telerik:RadScheduler> </ContentTemplate></asp:UpdatePanel><asp:EntityDataSource runat="server" ID="EntityDataSource1" ConnectionString="name=aperturenetEntities" DefaultContainerName="aperturenetEntities" EntitySetName="Appointments" EnableDelete="true" EnableInsert="true" EnableUpdate="true"></asp:EntityDataSource><asp:SqlDataSource ID="RoomsDataSource" runat="server" ProviderName="System.Data.SqlClient" ConnectionString="<%$ ConnectionStrings:aperturenetSql %>" SelectCommand="SELECT * FROM [Rooms]"></asp:SqlDataSource><asp:SqlDataSource ID="ManagersDataSource" runat="server" ConnectionString="<%$ ConnectionStrings:aperturenetSql %>" SelectCommand="SELECT * FROM [tblApertureNetLookUps] WHERE lookup_type='11787CA6-DE99-4E0E-83D2-7D96E0FD11A3'"></asp:SqlDataSource>