Hello Pretty Jenifer,
Thank you for contacting Telerik Support.
To achieve this you will need to use a custom template for your navigation. I've attached one below. It uses a RadMenu and in the code-behind on the ItemDataBound event we specify the titles of the pages, which shouldn't be visible in your navigation. You need to add this template to your project and then in the designer of your navigation enter the relative path to the template, as in the attached screenshot.
Let me know if you need additional assistance.
All the best,
the Telerik team
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