Client-Side Scripting, ASP.NET

Question: You are working on a long data-entry webpage. In the middle of the page, you need to reach out to the server to get information based on a user’s entry for a related field. However, you do not want the user to lose his or her focus or context within the page. Therefore, you decide to implement this feature by using the ASP.NET AJAX controls. Which of these controls must you add to the page to enable this scenario? (Choose all that apply.)
A
UpdatePanel

B
AsyncPostBackTrigger

C
ScriptManager

D
ScriptManagerProxy

Note: Not available
1. Report
Question: You need to write a control that will be used across multiple pages. This control should contain updated sales figures. The control should update itself at various intervals if a containing page is left open. Which controls should you use to enable this scenario? (Choose all that apply.)
A
UpdatePanel

B
Timer

C
ScriptManager

D
ScriptManagerProxy

Note: Not available
1. Report
Question: You have an UpdatePanel control defined on a page. You need to indicate that a specified Button control outside of the UpdatePanel should cause the UpdatePanel to execute an update. What steps should you take?
A
Set the AsyncPostBackTrigger attribute of the UpdatePanel to the ID of the Button control.

B
Set the AsyncPostBackTrigger attribute of the Button control to the ID of the UpdatePanel.

C
Add a Trigger control to the AsyncPostBackTriggers section of the UpdatePanel. Set the ControlID attribute of the Trigger control to the ID of the Button control.

D
Add an AsyncPostBackTrigger control to the Triggers section of the UpdatePanel. Set the ControlID attribute of the AsyncPostBackTrigger control to the ID of the Button control.

Note: Not available
1. Report
Question: You are creating a page that contains an UpdatePanel control for partial-page updates. You want to notify the user that the update is processing only if the update takes longer than five seconds. Which actions should you take?
A
Add a second UpdatePanel to the page. Set it to trigger based on the first Update-Panel. Set the contents of this UpdatePanel to read “Processing, please wait.”

B
Add an UpdateProgress control to the UpdatePanel. Set its DisplayAfter attribute to 5,000. Set its ProgressTemplate contents to read “Processing, please wait.”

C
Add a ProgressBar control to the page. Write code on the server to call back to the client asynchronously to update the ProgressBar control after five seconds.

D
Create a hidden <div> tag on your page that contains the text “Processing, please wait.” Set the <div> tag’s ID to match that of the UpdatePanel. Set the Update-Panel control’s Interval property to 5,000.

Note: Not available
1. Report

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Question: You need to write a control that will be used across multiple pages. This control should contain updated sales figures. The control should update itself at various intervals if a containing page is left open. Which controls should you use to enable this scenario? (Choose all that apply.)

Question: You have an UpdatePanel control defined on a page. You need to indicate that a specified Button control outside of the UpdatePanel should cause the UpdatePanel to execute an update. What steps should you take?

Question: You are creating a page that contains an UpdatePanel control for partial-page updates. You want to notify the user that the update is processing only if the update takes longer than five seconds. Which actions should you take?