Answers in .NET

Drawer QR-Code in .NET Answers

C. Correct: Implement the IHttpHandler interface to generate custom file types. Additionally, you must configure IIS to forward requests for .doc files to ASP.NET. D. Incorrect: IHttpHandlerFactory is used as part of IHttpHandler, but it has no functionality itself.

1. Correct Answers: A, D, and E A. Correct: You can check the Request.Browser.ClrVersion property to deter mine if the .NET Framework CLR is installed. B. Incorrect: The Browser object does not indicate whether the user is logged on as an administrator. The client s Web browser does not provide this information to the Web server. C. Incorrect: The Browser object does not provide the user s e-mail address. The client s Web browser does not send this information to the Web server. D. Correct: You can check the Request.Browser.ActiveXControls property to determine if the browser supports ActiveX controls. E. Correct: You can check the Request.Browser.JavaScript property to deter mine if the browser supports JavaScript. 2. Correct Answer: B A. Incorrect: Title is a member of Page.Header, not Page. B. Correct: You can dynamically set the page title by accessing Page.Header.Title. C. Incorrect: Header is a member of Page, not Response. D. Incorrect: Title is a member of Page.Header, not Response. 3. Correct Answer: A A. Correct: Flush sends any output currently stored in the Response object to the browser. You can add to it later. B. Incorrect: Clear removes all output from the Response object without send ing it to the user. C. Incorrect: End sends all output to the Web browser, but also terminates the transaction, preventing you from later adding to it.

D. Incorrect: Like Clear, ClearContent removes output from the Response object without sending it to the user.

1. You could use the Graphics class to generate line charts. For more complex charts, you could use third-party charting libraries. 2. You could create an ASP.NET handler for the .gif file extension. To do this, create a new class that derives from IHttpHandler and uses the Response object to return the chart image. Then, add a handler to the Web.config file associating the .gif file extension to your new class. Finally, configure IIS to forward requests for .gif files to ASP.NET.

1. Correct Answer: C A. Incorrect: You often develop multiple master pages for a content page to provide different layouts and colors. B. Incorrect: While you can have multiple master pages for each content page, you can also have multiple content pages for each master page. C. Correct: Master and content pages have a many-to-many relationship. D. Incorrect: While you can have one content page per master page, that defeats the purpose of master and content pages.

2. Correct Answers: B, C, and D A. Incorrect: Content pages cannot reference private properties or methods in the master page. B. Correct: Content pages can reference public properties in the master page. C. Correct: Content pages can reference public method in the master page. D. Correct: Content pages can use the Master.FindControl method to reference controls in the master page. 3. Correct Answers: A and C A. Correct: The @ MasterType declaration is required to access the proper ties in the master page. B. Incorrect: You only need to add the @ Master declarations to the master page, not the content pages. C. Correct: Content pages must have a MasterPageFile attribute in the @ Page declaration that points to the master page. D. Incorrect: The master page, not the content pages, has the ContentPlaceHolder control. 4. Correct Answer: D A. Incorrect: Page_Load occurs after the content page has bound to the master page. If you attempt to change the master page, the runtime throws an exception. B. Incorrect: Page_Render occurs after the content page has bound to the mas ter page. If you attempt to change the master page, the runtime throws an exception. C. Incorrect: Page_PreRender occurs after the content page has bound to the master page. If you attempt to change the master page, the runtime throws an exception. D. Correct: Page_PreInit is the last opportunity to change the master page. After this event, the page binds with the master page, preventing you from changing it.