VKVinoth Kumar Sundara Moorthy Syncfusion Team September 19, 2019 05:56 AM
Thank you for contacting Syncfusion support.
We have checked your reported issue in the document and we will correct it in our upcoming Essential Studio 2019 Volume 3 release scheduled in the end of September 2019. Meanwhile we have prepared checkbox selection in ListBox sample for your convenience. Please find the sample in below link,