why is is fault
Default.aspx

<%=if isChecked%>
                <label for="form_remember"><input name="remember" type="checkbox" id="remember" value="Re" checked="checked"></input>
            <%=else %>
                 <label for="form_remember"><input name="remember" type="checkbox" id="Checkbox1" value="Re"></input>
                remember me </label>
<%=end if%>

protected bool isChecked = false;
isChecked  ,this variable ,i defined in default.aspx.cs 


now ,i want to make it work ,but ,it doesn't ,faint ,how could i do ?
why is is fault
===

Default.aspx

<%=if isChecked%>
                <label for="form_remember"><input name="remember" type="checkbox" id="remember" value="Re" checked="checked"></input>
            <%=else %>
                 <label for="form_remember"><input name="remember" type="checkbox" id="Checkbox1" value="Re"></input>
                remember me </label>
<%=end if%>

protected bool isChecked = false;
isChecked  ,this variable ,i defined in default.aspx.cs 


now ,i want to make it work ,but ,it doesn't ,faint ,how could i do ?