RadDataEntry

    private void rdeDynamicInput_ItemInitialized(object sender, ItemInitializedEventArgs e)
    {
            if (e.Panel.Controls[0].GetType().ToString() == "Telerik.WinControls.UI.RadCheckBox" ||
                e.Panel.Controls[0].GetType().ToString() == "Telerik.WinControls.UI.RadTextBox")
                  {
                   ((RadTextBox)e.Panel.Controls[0]).ReadOnly = true;
                  }
    }