When I double click on the schedule the text in the schedule disappear
<telerik:RadStyleSheetManager ID="RadStyleSheetManager1" runat="server">
</telerik:RadStyleSheetManager>
<telerik:RadScheduler Height ="1200" Width ="1500" ID="RadScheduler1"
runat="server" Skin="Vista" DataKeyField="ID"
DataSubjectField="Description" DataMember ="RequestorID"
DataStartField="Start" DataEndField="End"
CustomAttributeNames="Description,RequestorID" EnableAdvancedForm="False"
OnClientAppointmentInserting="OnClientAppointmentInserting" OnClientAppointmentDoubleClick="dblclick"
FirstDayOfWeek="Monday" HoursPanelTimeFormat="h:mm" LastDayOfWeek="Friday"
MinutesPerRow="15" NumberOfHoveredRows="1"
onappointmentinsert="RadScheduler1_AppointmentInsert"
onnavigationcommand="RadScheduler1_NavigationCommand"
onnavigationcomplete="RadScheduler1_NavigationComplete"
ontimeslotcreated="RadScheduler1_TimeSlotCreated1"
TimeLabelRowSpan="1" ValidationGroup="RadScheduler1"
OverflowBehavior="Scroll" EnableRecurrenceSupport="False"
RowHeight="40px"
StartEditingInAdvancedForm="False" AllowDelete="False">
<AppointmentTemplate>
<asp:Label runat =server ID="Label1" Visible ="true" Text =<%# Eval("Description")%> ></asp:Label>
<asp:Label ID="requestorId" Text ="<%# Eval("RequestorID")%>" ></asp:Label>
</AppointmentTemplate>
<TimelineView NumberOfSlots="4" SlotDuration="15:00:00" />
</telerik:RadScheduler>