Comment 2 for bug 1739648

The following branch should address the duplication issues, while also tackling the fact that the grid's "next" button wasn't disabling when there's more more data to page thru. It was missing grid.totalCount being wired and set (when possible).

http://git.evergreen-ils.org/?p=working/Evergreen.git;a=shortlog;h=refs/heads/user/cesardv/lp1739648_grid_paging_caused_dupss