PagedDataSource不在后续页面中显示数据

It's probably something small, but I haven't been figure out why the following isn't working completely. The first time the user submits the search, the first page of search results show up properly. However, when the user tries to navigate by using the Previous and Next Page buttons, the repeater doesn't show the appropriate data from the DataTable.It's probably something small, but I haven't be