textbox isReadonly与combobox selecteditem一起更改

I have datatemplate and list of 5 rows. So in every row, there is combobox with two comboboxitems "yes" and "no". So when the window is loaded, textboxes inside ListBox rows are set to readonly="True" inside the Datatemplate. But when I select "no" from combobox items in individual row, then textbox should become editable and isReadonly="False" for each individual row in the List. My ListBox items are 5. How to do this?I have datatemplate and list of 5 rows. So in e