or
<telerik:RadEditor ID="red1" runat="server" EnableResize="false" Width="100%" EditModes="Design" AutoResizeHeight="true" EmptyMessage="No notes"><Tools> <telerik:EditorToolGroup> <telerik:EditorTool Name="Print" /> </telerik:EditorToolGroup></Tools></telerik:RadEditor>

[NullReferenceException: Object reference not set to an instance of an object.] dsCloud.UserControls.SpreadSheetSample.get_GridSource() +497 dsCloud.UserControls.SpreadSheetSample.RadGrid1_NeedDataSource(Object source, GridNeedDataSourceEventArgs e) +16 Telerik.Web.UI.RadGrid.OnNeedDataSource(GridNeedDataSourceEventArgs e) +190 Telerik.Web.UI.RadGrid.AutoDataBind(GridRebindReason rebindReason) +108 Telerik.Web.UI.RadGrid.OnLoad(EventArgs e) +253 System.Web.UI.Control.LoadRecursive() +70 System.Web.UI.Control.LoadRecursive() +189 System.Web.UI.Control.LoadRecursive() +189 System.Web.UI.Control.LoadRecursive() +189 System.Web.UI.Control.LoadRecursive() +189 System.Web.UI.Control.LoadRecursive() +189 System.Web.UI.Control.LoadRecursive() +189 System.Web.UI.Control.LoadRecursive() +189 System.Web.UI.Control.LoadRecursive() +189 System.Web.UI.Control.LoadRecursive() +189 System.Web.UI.Control.LoadRecursive() +189 System.Web.UI.Control.LoadRecursive() +189 System.Web.UI.Control.LoadRecursive() +189 System.Web.UI.Control.LoadRecursive() +189 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3177
<telerik:RadAjaxManagerProxy runat="server"> <AjaxSettings> <telerik:AjaxSetting AjaxControlID="Grid"> <UpdatedControls> <telerik:AjaxUpdatedControl ControlID="Grid" LoadingPanelID="LoadingPanel" /> </UpdatedControls> </telerik:AjaxSetting> </AjaxSettings></telerik:RadAjaxManagerProxy><telerik:RadAjaxLoadingPanel ID="LoadingPanel" runat="server" /><telerik:GridTemplateColumn UniqueName="Column1" SortExpression="Column1"
HeaderStyle-ForeColor="#245E9E" HeaderText="Column 1" ItemStyle-Wrap="true" Resizable="true" AutoPostBackOnFilter="true" CurrentFilterFunction="EqualTo" DataField="Column1" FilterImageUrl="_layouts/Images/CoreSystem.LayoutsApp/filter.png">
<ItemTemplate>
<asp:Label ID="LblColumn1" Text='<%#Eval("Column1")%>' runat="server"></asp:Label>
</ItemTemplate>
<HeaderStyle Width="280px" />
<ItemStyle Font-Names="Arial" Font-Size="11px" Wrap="true" />
</telerik:GridTemplateColumn>
<asp:TextBox ID="tbFirstName" runat="server" Font-Size="1em" style="width: 150px;" ></asp:TextBox><telerik:RadInputManager ID="RadInputManager1" runat="server" Skin="Office2007" > <telerik:TextBoxSetting BehaviorID="TextBoxBehavior1" EmptyMessage="" Validation-IsRequired="true" > <TargetControls> <telerik:TargetInput ControlID="tbFirstName" /> </TargetControls> <ClientEvents OnValidating="onValidating" /> </telerik:TextBoxSetting> </telerik:RadInputManager>function GeneralContinue() { tabStrip = $find('RadTabStrip1'); tabStrip.findTabByValue('General').select();}