Scroll in the huge listbox is loosing the selected check boxes.
1) Select 1st Listitem
2) scroll down to last listitem
3) select last or items near to it.
4) Scroll up to first selected listitem and we see its now unchecked.
the 1st item is not selected
the 1st item is selected
- I have attached the sample code taken form zk sandbox to recreate this issue
- this bug also happen when using a model