Register Tag Prefix Of Telerik Control in Web.config

Clear the register tag from the page.

<%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %>

---

Place the code snipped in the web.config. 

<system.web>
    <pages>
      <controls>
        <add tagPrefix="telerik" namespace="Telerik.Web.UI" assembly="Telerik.Web.UI" />
      </controls>
    </pages>
  </system.web>