單項(xiàng)選擇題

You are creating a mobile Web Form that dynamically displays news items. You want to display news items by using an instance of a mobile TextView control named TextViewNews. You need to configure the Web Form that contains TextViewNews. The Web Form must enable pagination in case a users device does not display the full text of a news item. Which code segment should you use? （）

A. PagerStyle ps = new PagerStyle();ps.NextPageText = “more>”;ps.PreviousPageText = “<back”;FormNews.Paginate = true;
B. FormNews.PagerStyle.NextPageText = “more >”;FormNews.PagerStyle.PreviousPageText = “< back”;TextViewNews.PaginateRecursive(new ControlPager(FormNews, 1000));
C. FormNews.PagerStyle.NextPageText = “more >”;FormNews.PagerStyle.PreviousPageText = “< back”;FormNews.PaginateRecursive(new ControlPager(FormNews, 1000));
D. FormNews.PagerStyle.NextPageText = “more >”;FormNews.PagerStyle.PreviousPageText = “< back”;FormNews.Paginate = true;

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You create a Web Form. The Web Form allows users to calculate values and display the results in a label named lblResults. You need to capture all unhandled exceptions on the Web Form through the Error event. The Error event must capture each unhandled exception and display it on the Web Form. Which code segment should you use?（）

A. protected void Page_Error(object sender, EventArgs e) { lblResults.Text = e.ToString(); e=null;}
B. protected void Page_Error(object sender, EventArgs e) { lblResults.Text = Server.GetLastError().ToString(); Server.ClearError();}
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You create a Web Form that contains a button named btnCancel that enables users to exit the page. When users click this button, validation must not occur. During testing you learn that clicking the Cancel button does not enable users to exit the page. You need to ensure that users can always exit the page.What should you do? （）

A. Set the Enabled property of the validation controls on the Web Form to False.
B. Set the CausesValidation property of the btnCancel button to False.
C. Set the CausesValidation property of the btnCancel button to True.
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