altas(ajax)控件(十一)：DropShadow为某一个控件添加阴影

<ajaxToolkit:DropShadowExtender ID="dse" runat="server"

TargetControlID="Panel1"

Opacity=".8"

Rounded="true"

TrackPosition="true" />

· TargetControlID - The ID of the button or link for this extender to operate on

· Width – 阴影的宽度，默认是5.

· Opacity -阴影的透明度（0(不透明)-1.0(全不透明)）默认是5.

· TrackPosition – 阴影是否跟随控件一起动.

· Rounded – 阴影是否有圆角. 默认是 false

效果：http://www.asp.net/AJAX/Control-Toolkit/Live/DropShadow/DropShadow.aspx