单项选择题

You are implementing an ASP.NET page in an e-commerce application. Code in abtnAddToCart_Click event handler adds a product to the shopping cart. The page should check the status of the shopping cart and always show a cart icon when one or more items are in the shopping cart. The page should hide the icon when the shopping cart has no items. You need to add an event handler to implement this requirement. Which event handler should you add?()

A.btnAddToCart_Click
B.Page_Load
C.Page_PreRender
D.Page_PreInit

热门 试题

微信扫一扫,使用拍照搜题小程序

微信扫一扫,免费拍照搜题

微信扫一扫,使用拍照搜题小程序

微信扫一扫,免费拍照搜题