hi;

you can set the value of checkbox in formlayout via clicking the fieldlabel of the checkbox, in firefox and chrome, not in IE.
but the value of the checkbox set only at the client side. you can not get the right value from server side.

please see the sample page.

<%@ Page Language="C#" %>
<%@ Register Assembly="Coolite.Ext.Web" Namespace="Coolite.Ext.Web" TagPrefix="ext" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title></title>
    <script runat="server">                     

        protected void Save(object sender, AjaxEventArgs args)
        {                 
         
           bool value1 = cb3.Checked;
           bool value2 = cb4.Checked;
           bool value3= cb5.Checked;
           int value4 = int.Parse(tf1.Text);            
           bool value5 = cb1.Checked;
           bool value6 = cb2.Checked;
           object s1 = cb5.Value; //same with cb5.Checked
            
        }        
    </script>
    <ext:ScriptManager ID="ScriptManager1" runat="server"></ext:ScriptManager>                        
</head>
<body>
    <form id="form1" runat="server">
        <ext:Panel ID="Panel5" runat="server" ButtonAlign="Right">
                    <Body>
                        <ext:ColumnLayout ID="ColumnLayout2" runat="server">
                            <ext:LayoutColumn ColumnWidth=".6">
                                <ext:FormPanel ID="FormPanel1" runat="server">
                                    <Body>
                                        <ext:FormLayout ID="FormLayout1" runat="server" LabelWidth="240">
                                            <ext:Anchor>
                                                <ext:Checkbox runat="server" FieldLabel="option1" ID="cb1"></ext:Checkbox>
                                            </ext:Anchor>
                                            <ext:Anchor>
                                                <ext:Checkbox runat="server" FieldLabel="option2" ID="cb2"></ext:Checkbox>
                                            </ext:Anchor>
                                            <ext:Anchor>
                                                <ext:TextField runat="server" Width="60" MaxLength="3" MaskRe="/[0-9\$\.]/" ID="tf1" FieldLabel="option3"></ext:TextField>
                                            </ext:Anchor>
                                        </ext:FormLayout>
                                    </Body>
                                </ext:FormPanel>                        
                            </ext:LayoutColumn>
                            <ext:LayoutColumn ColumnWidth="0.4">
                                <ext:FormPanel ID="FormPanel2" runat="server">
                                    <Body>
                                        <ext:FormLayout ID="FormLayout2" runat="server" LabelWidth="235">
                                            <ext:Anchor>
                                                <ext:Checkbox runat="server" FieldLabel="option4" ID="cb3"></ext:Checkbox>
                                            </ext:Anchor>
                                            <ext:Anchor>
                                                <ext:Checkbox runat="server" FieldLabel="option5" ID="cb5"></ext:Checkbox>
                                            </ext:Anchor>
                                            <ext:Anchor>
                                                <ext:Checkbox runat="server" FieldLabel="option6" ID="cb4"></ext:Checkbox>
                                            </ext:Anchor>
                                        </ext:FormLayout>
                                    </Body>
                                </ext:FormPanel>       
                            </ext:LayoutColumn>
                        </ext:ColumnLayout>                                                                       
                    </Body>
                    <Buttons>
                        <ext:Button runat="server" Text="Save Settings" Icon="Disk" ID="ButtonSaveSettings">
                            <AjaxEvents>
                                <Click OnEvent="Save">
                                    <EventMask ShowMask="true" Msg="Saving" />
                                </Click>
                            </AjaxEvents>
                        </ext:Button>
                    </Buttons>
                </ext:Panel>                   
    </form>
</body>
</html>
Thanx.