Cactivedataprovider With Search Form With Dropdown

i want to implement following functionality on my application

1.a search form having multiple dropdown to select data from table based on select.

2.pagination having 5 dataset per view.

3.each dropdown have its own table.

now problems to set criteria for different tables based on what is being selected in dropdown ?

  1. i implement this by creating multiple query based on post data but when i click to retrive page 2 data it was ajax $_GET request and no $_post data is available, in this case how to fetch data for second page?

please suggest how to make data available for second page call.

if it is not the way to solve this problem please suggest alternative