$find return null after request in Chrome, Opera, Safari

[Sergey]

$find return null after request in Chrome, Opera, Safari

                    <telerik:RadAjaxPanel ID="rapProjects" runat="server" ClientEvents-OnResponseEnd="ProjectsResponseEnd" >
                        <telerik:RadComboBox ID="rcbProjects" runat="server"
                            OnClientDropDownOpening="InitiaterapProjectsRequest" >
                        </telerik:RadComboBox>
                    </telerik:RadAjaxPanel>
                    <telerik:RadCodeBlock ID="RadCodeBlock1" runat="server" >

                        <script type="text/javascript">
                            function InitiaterapProjectsRequest(sender, eventArgs) {
                                var ajaxManager = $find("<%= rapProjects.ClientID %>");
                                ajaxManager.ajaxRequest('');
                                return false;
                            }

                            function ProjectsResponseEnd(sender, eventArgs) {
                                var combo = $find("<%= rcbProjects.ClientID %>");
                                window.alert(combo); //HERE combo is null in Chrome, Opera, Safari
                            }
                       </script>

                    </telerik:RadCodeBlock>

[Pavel]

Hello Sergey,

I tested your code on the browsers you have specified but the client-side object of the RadComboBox is retrieved successfully. Can you confirm that the markup you have pasted is enough to reproduce the issue?

All the best,
Pavel
the Telerik team

Do you want to have your say when we set our development plans? Do you want to know when a feature you care about is added or when a bug fixed? Explore the Telerik Public Issue Tracking system and vote to affect the priority of the items.

[Sergey]

Sorry it was my fault, i had block style like this in header:

<style>

  .T{ color:red;

</style>

without }