Hello Mohudoom Faluludeen,
Could you please let us know exactly which version of Sitefinity are you using? You can follow this article to find out how: How to check your current Sitefinity version?
In the latest official release - Sitefinity 3.7 SP3 this issue cannot be reproduced. I have attached a sample video of how this works in the current release.
All the best,
the Telerik team
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