Hi Peralta,
We regret about the inconvenience caused.
We were able to reproduce the problem with getting the id/value of the selected item in list box and have logged defect report regarding this. A support incident to track the status of this defect has been created under your account. Please log on to our support website to check for further updates
https://www.syncfusion.com/account/login?ReturnUrl=%2fsupport%2fdirecttrac%2fincidents Please let us know if you have any questions.
Best,
Ezhil S