ASP.NET AJAX入门系列（1）：概述

HoverMenu 字串8

Allows UI to pop up next to a control when the mouse hovers over it.

ModalPopup

Allows you to show styled modal UI without using HTML dialogs. 字串2

MutuallyExlcusiveCheckBox 字串1

By adding a number of checkboxes to the same “Key”, only one checkbox with the specified key can be checked at a time. 字串4

NoBot 字串5

Applies simple rules to prevent automated bots or scripts from posting to a page.

NumericUpDown