simple little page here, but every time I select I get the javascript error $f is not defined. All I'm trying to do is set the selected date of the calendar.
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="crud.aspx.cs" Inherits="Grid_crud" %><%@ Register Assembly="RadCalendar.Net2" Namespace="Telerik.WebControls" TagPrefix="radCln" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title></title></head><body> <script language="javascript" type="text/javascript"> function dummy() { var calendar = $find("<%= gridCalendar.ClientID %>"); calendar.selectDate("05/10/2010", true); } </script> <form id="form1" runat="server"> <div> <radCln:RadCalendar ID="gridCalendar" runat="server"> </radCln:RadCalendar> <button type="button" id="Select" style="margin-top: 10px; margin-right: 2px;" onclick="dummy();"> Select</button> </div> </form></body></html>