hi my dear friends...

my RadAjaxManager Code Is Like This :

       <%--RAD AJAX MANAGER--%> 
    <telerik:RadAjaxManager ID="RadAjaxManager1" runat="server" ClientEvents-OnRequestStart="RequestStartedOfRadAjaxManager1" 
        UpdatePanelsRenderMode="Inline"> 
        <ClientEvents OnRequestStart="RequestStartedOfRadAjaxManager1" /> 
        <AjaxSettings> 
            <telerik:AjaxSetting AjaxControlID="RadComboBox1"> 
                <UpdatedControls> 
                    <telerik:AjaxUpdatedControl ControlID=" RadComboBox1" /> 
                    <telerik:AjaxUpdatedControl ControlID="ChechBox1" /> 
                </UpdatedControls> 
            </telerik:AjaxSetting> 

        </AjaxSettings> 
    </telerik:RadAjaxManager> 

i have some codes in SelectedIndexChange of RadComboBox1...i am changing ChechBox1.Checked In It ...(AutoPostBack = True)

i have some codes in CheckChanged of ChechBox1...(AutoPostBack = True)

but i do not know why ChechBox1 Not Work...

when i click on it (for Making it to true or false), it disappears or Not Work...

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there is this scenario about buttons ...

when they are in RadAjaxManager (Update) they do not work...

i know this is not about RadAjaxManager / but can u lead me to solve this?

thanks a lot