title: Performance issue using LoadOnDemand approach in RadComboBox, at external server
body: <p>There is a <code>RadGrid</code> with <code>RadComboBox</code> inside it. <br/>
  Since I had to bind 20,000+ records in <code>RadComboBox</code> so I use <code>LoadOnDemand</code> approach to do so. <br/>
  Things are working fine at internal server after I host the website. But this <code>LoadOnDemand</code> is working very slow at external server for external users. <br/>
  They are complaining about bad performance. <br/><br/>
  Below are the links that I followed for implementing this approach, these links are working so good but then why there is performance issue at my side?<br/></p>
  
  <ol>
  <li><a href="http://demos.telerik.com/aspnet-ajax/combobox/examples/functionality/comboingrid/defaultcs.aspx?product=combobox" rel="nofollow">http://demos.telerik.com/aspnet-ajax/combobox/examples/functionality/comboingrid/defaultcs.aspx?product=combobox</a>
  <br/></li>
  <li><a href="http://demos.telerik.com/aspnet-ajax/combobox/examples/populatingwithdata/autocompletesql/defaultcs.aspx" rel="nofollow">http://demos.telerik.com/aspnet-ajax/combobox/examples/populatingwithdata/autocompletesql/defaultcs.aspx</a>
  <br/></li>
  </ol>
  
  <p>Please let me know why the behavior of same approach is different at 2 servers : Internal and external. Please help me out in this. <br/>
  Please note that I am new to Telerik.</p>