Filedcatalog screen is not refreshed after search

I have a screen with a custom container in which i display alv grid , i have added button to call a popup window to search and select the particular record, now the issue is when i search for a record using the popup, the record is being selected but the screen not refreshed , i want the screen should be scrollled to the location where the record is selected.

after the popup selection i used to below code to refresh the screen

MODIFY CURRENT LINE.

gr_table->refresh( ).

Please let me know do i need write any specific login to achieve the required functionality.

thanks

NVR