get and set value of an input text throught code behind

Hi all,

I've created an user control and there i have an input text, but in the code behind i need a property to get and set the value for the control.

I can not add the "runnat=server" attribute to the control or change it into a textbox, because y have javascript code given by Telerik controls.

I tried different ways but i cant get or set the values throught the form that has instanced the UC.


** the control works great but i need to capture the input control info.

Thanks .. it is really important

Here is my HTML Code
 
<script type="text/javascript">
    function openWin(url)
    {
        var oWnd = radopen(url, "RadWindow1");
        oWnd.setSize(500,500);
        //set a function to be called when RadWindow is closed
        oWnd.add_close(OnClientClose);
    }
 
    function OnClientClose(oWnd)
    {
        var returnValue = oWnd.argument.retValue;        
        var txt1 = document.getElementById("txt");
        txt1.value = returnValue;
    }
</script>
 
......
<input id="txt" type="text" />
 
________ Code Behind
 
i tried using:
public string Text
{
    get 
    {
       HtmlInputText txt = new HtmlInputText();
       txt = (HtmlInputText)Request.Form["txt"]; //doesnt works
       string = Request.Form["txt"].ToString() //returns null         
       return txt.Value; 
    }
    set 
    { 
       this.txt.Value = value; 
    }
}
 
how can i get a reference to the control????

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