Datagrid jeasy ui + yii + sql server

My application can running 3 database. Oracle, MySQL and sql server. In my application with datagrid easyui. Total 14 data, Datagrid first view 10 data and then click next page should be view 4 data. In Mysql running well but sql server not running well because when click next page datagrid still showing same data in next page.

Can you help me ?? :huh: