What is a postback?
What are the two types of postbacks in AJAX, and what is the difference between them?
What property is found on every control?
What control would you use to have the user enter a password, but keep the text hidden?
What control would you use if you have a list of 20 items, and the user can select as many as they want?
How do you make single radio buttons mutually exclusive?
What can you use a
What does the
How do you include a control on the page, but not render it?
What do you do to make the target of a
HyperLink control open in a new window?
Exercise 2-1. Now that you've played with
HelloWorld, you're going to make a change to the
Postbacks example, so you can see how flexible the
UpdatePanel control is. Open the Postbacks web site, similar to
how you opened HelloWorld in the previous exercise. In
Design view, drag another
inside the first one, after the button. Drag another Label
control inside the new
UpdatePanel. In the
Properties window, set the label's name to
lblOtherPartialUpdate, and set its width to
200px. (Note that you can't give this label the
same name as the other label—or any other control on the page—or you'll get an
error.) Now add another Button to the new
UpdatePanel, under the label, set its name to
btnOtherPartialUpdate, and change the text to
"Another partial-page update:".
Now you need the event handler for your new button, so double-click it, and you'll ...