how to keep div visible which has set invisible in asp.net ?

Question

Hello.... I creared two div. view n cancel buttons are added in gridview which is the first div. Bydefault second div is is hidden...on clicking of view n cancel it displays...bt when I select any control on second div, it diappears...i need to keep it visible...it should disappear on button click only...what will i do...plz help me