can be changed whenever you want through the Sitefinity Admin area. For example, if you set defaultValue
="John" for News.Author,
every time when you create a new news, John will be set as an author. If you want to change the author name, just replace it by typing the new name in the textbox.
Give a try to this approach and you will see how it works.
All the best,
the Telerik team
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