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c# - Usage of Server Side Controls in MVC Frame work -

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i using asp.net 4.0 , mvc 2.0 web application. project requiremrnt have use server side control in application not possibl in noraml case. ideally want use adrotator control , datalist control. i saw few samples , references in codepleax mvc controllib howwver found less useful. can tell how utilize theese controls in asp.net application along mvc. note: please provide functionalities related adrotator , datalist controls not equivalent functionalities thanks in advace. mvc pages not use normal .net solution makes use of normal .net components impossible. a normal .net page use event driven solution call different methods service side mvc use actions , view completly different way handle things. also, mvc not use viewstate normal .net controlls require. found article discussing mixing of normal .net , mvc.
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asp.net - The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>) -

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i trying add panel child control of panel in codebehind of master page, it's simple as:

panel1.controls.add(panel2)

however when try that, error:

the controls collection cannot modified because control contains code blocks (i.e. <% ... %>).

there number of questions talk having <%= %> elements in head section, not have. have been far remove <% %> elements page, no avail, error still occurs. can suggest way work?

* example answer b *

=== code error ===

<script type="text/javascript">     jquery(document).ready(         function() {             alert('hello!');             jquery("#<%=txtsampleid.clientid %>").focus();         }     ); </script>

=== code without error ===

<asp:placeholder id="dontcare" runat="server">

<script type="text/javascript">     jquery(document).ready(         function() {             alert('hello!');             jquery("#<%=txtsampleid.clientid %>").focus();         }     ); </script>

</asp:placeholder>


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