有EXTJS的高手没？问个关于ext:HtmlEditor取值的问题！

aspx：
<ext:Panel 
                                        ID="Panel1" 
                                        runat="server" 
                                        Width="610" 
                                        Height="300" 
                                        Html="Content" 
                                        BodyStyle="padding:6px;"
                                        Title="Editor panel">            
                                        <TopBar>
                                            <ext:Toolbar ID="Toolbar1" runat="server">
                                                <Items>
                                                    <ext:ToolbarButton ID="ToolbarButton1" runat="server" Text="Edit" Icon="Pencil">
                                                        <Listeners>
                                                            <Click Handler="el.setDisabled(true);#{Button2}.setDisabled(false);#{PanelEditor}.startEdit(#{Panel1}.getBody());" />
                                                        </Listeners>
                                                    </ext:ToolbarButton>
                                                    <ext:ToolbarButton ID="Button2" runat="server" Text="Save" Icon="Disk" Disabled="true">
                                                        <Listeners>
                                                            <Click Handler="el.setDisabled(true);#{ToolbarButton1}.setDisabled(false);#{PanelEditor}.completeEdit();" />
                                                        </Listeners>
                                                    </ext:ToolbarButton>    
                                                </Items>
                                            </ext:Toolbar>
                                        </TopBar>
                                    </ext:Panel>
                                    <ext:Editor 
                                        ID="PanelEditor" 
                                        runat="server"
                                        AutoSize="Fit"
                                        Shadow="None">
                                        <Field>
                                            <ext:HtmlEditor ID="HtmlEditor1" runat="server" />
                                        </Field>
                                    </ext:Editor>
                
        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" />
        <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>如何取得输入的值呢？
解决之后马上结贴！高手帮忙帮忙！