YouareimplementinganASP.NETpageinane-commerceapplication.CodeinabtnAddToCart_Clickeventhandleraddsaproducttotheshoppingcart.Thepageshouldcheckthestatusoftheshoppingcartandalwaysshowacarticonwhenoneormoreitemsareintheshoppingcart.Thepageshouldhidetheiconwhentheshoppingcarthasnoitems.Youneedtoaddaneventhandlertoimplementthisrequirement.Whicheventhandlershouldyouadd？（）A.btnAddToCart_ClickB.Page_LoadC.Page_PreRenderD.Page_PreInit
YouareimplementinganASP.NETpageinane-commerceapplication.CodeinabtnAddToCart_Clickeventhandleraddsaproducttotheshoppingcart.Thepageshouldcheckthestatusoftheshoppingcartandalwaysshowacarticonwhenoneormoreitemsareintheshoppingcart.Thepageshouldhidetheiconwhentheshoppingcarthasnoitems.Youneedtoaddaneventhandlertoimplementthisrequirement.Whicheventhandlershouldyouadd？（）
A.btnAddToCart_Click
B.Page_Load
C.Page_PreRender
D.Page_PreInit
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