一．ASP.NET AJAX组成部分
在ASP.NET AJAX官方网站上有如下三个下载：
1．ASP.NET AJAX：这部分是ASP.NET AJAX的核心部分，包括了核心AJAX类型系统，网络协议层(networking stack)，组件模型，扩展器(extender)基类，以及与ASP.NET集成的服务器端功能(包括广受欢迎的ScriptManager，UpdatePanel，和 Timer控件)。功能列表如下：
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服务端功能列表 |
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Asynchronous client-to-server networking |
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Authentication as a Web service |
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ControlExtender class |
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Profile as a Web service |
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ScriptManager and ScriptManagerProxy controls |
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Static page methods as Web services |
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Timer control |
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UpdatePanel control |
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UpdateProgress control |
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客户端功能列表 |
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Authentication for JavaScript |
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Behavior class |
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Calling .asmx Web services from JavaScript |
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Component class |
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Control class |
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Debug class |
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JavaScript Array type extensions |
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JavaScript Boolean type extensions |
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JavaScript Error type extensions |
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JavaScript Number type extensions |
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JavaScript Object type extensions |
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JavaScript String type extensions |
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JSON serialization |
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Profile for JavaScript |
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Trace class |
2．ASP.NET AJAX “Value-Add”CTP：ASP.NET AJAX社区支持的“增值”CTP部分，包括了以前各个Atlas CTP版本包含的，但并不在完全支持的“核心”1.0 版本内的额外的高级特性。通过进一步的反馈，这些将会逐步稳定的增加到核心1.0中去。功能列表如下：
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服务端功能列表 |
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AutoCompleteExtender class |
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Cross-browser Web Parts drag-and-drop |
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DragOverlayExtender control |
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PopupExtender class |
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客户端功能列表 |
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Actions components |
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AutoCompleteBehavior class |
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BatchResponse class |
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Binding component |
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Button control |
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Checkbox control |
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Click behavior |
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Counter class |
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Cross-browser Web Parts |
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Data control |
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DragDropList control |
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DragDropManager component |
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DraggableListItem control |
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FadeAnimation component Floating behavior |
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Hover behavior |
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Hyperlink control |
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Image control |
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Input control |
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Label control |
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Layout behavior |
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Opacity behavior |
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Popup behavior |
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Selector control |
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ServiceMethodRequest class |
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Sys.Data and Sys.UI.Data namespaces |
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Textbox control |
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Timer control |
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Validator controls |
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xml-script support |
3．ASP.NET AJAX Control Toolkit：包含了基于ASP.NET AJAX 1.0 版“核心”下载版本的28个非常酷的免费AJAX控件。它是一个开源项目，由微软和非微软开发人员共同开发的，去CodePlex下载代码。
二．安装ASP.NET
1．在安装ASP.NET AJAX 1.0 Beta之前，需要先卸载以前所有的CTP版本。
2．下载ASP.NET AJAX 1.0 Beta安装包，安装时Microsoft.Web.Extensions.dll程序集将被安装在GAC（Global Assembly Cache）中，所以使用时不需要再在Web站点的Bin文件夹中包括该程序集。
3．下载安装ASP.NET AJAX “Value-Add”CTP和ASP.NET AJAX Control Toolkit。列表如下：
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名称 |
描述 |
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Accordion: |
Create efficient UI from multiple panes with this animated control. |
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AlwaysVisibleControl |
Docks a panel to a corner of the browser window and keeps it visible even when the user scrolls. |
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Animation |
Adds powerful, easy to use animations to any element or control. |
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CascadingDropDown |
Easily link drop downs, complete with asynchronous population and no postbacks! |
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CollapsiblePanel |
This extender allows panels on your page to collapse and expand with no code. |
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ConfirmButton |
This extender adds a confirm dialog to any Button, LinkButton, or ImageButton control. |
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DragPanel |
Makes any panel into an object that you can drag around the page. |
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DropDown |
This extender can wrap any control to provide a SharePoint-style drop-down menu that is attached to the control. |
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DropShadow |
This extender adds attractive drop shadows to any control on the page |
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DynamicPopulate
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