date frmat changes

Hello,



i am changing the date format and it was changed the date fromat ‘Y-m-d’ to ‘d-M-Y’ in my two column start date and end date both

but when i update the date of start date then it will update the date but end date must be changed to ‘0000-00-00’

please tell me wht i do so whe i update the date then it will update and end date is not changed



below is my code





function start_date($data){



$start_value = $data->get_value(“startDate”);



        



                 $date_start= date(“d.M.Y”,strtotime($start_value));



            



                $data->set_value(“startDate”,$date_start);



            







}







$grid->event->attach(“beforeRender”,“end_Date”);



function end_Date($data){



$value = $data->get_value(“endDate”);



        



                 $date1= date(“d.M.Y”,strtotime($value));



                $new_value=$date1;



                 $data->set_value(“endDate”,$new_value);



                    



            







}







please reply me wht i do

regards

Seema

Its not clear, which component do you mean?