JQuery Mobile PHP MySQL从第一页的第二页选择中检索数据

so I didn't know how to properly express it in the title but I'm gonna do it here. I have two pages, in the first one I added a listview with some items (each got value). What I want is when the user clicks on an item, he/she goes to the second page and it'd show him/her a listview (that retrieves MySQL data based on the value they selected). But my problem is when I click on an item in the first page, it shows me NOTHING in the second page.so I didn't know how to properly express it in