How to hide/delete the rows from the gridPanel

Question

My screen has two drop downs, and a grid. i basically do an ajax call and populate the grid based on the value from the first drop down. Now when i select the second drop down i want to hide few rows that i have populated previoulsy based on the value in the second drop down

Answer 1

taskFromGrid.getStore().filter('TASK_OWNER_ID', record.get("PERSON_ID"));

i used filter and it worjke for me