June 2002
Intermediate to advanced
816 pages
28h 12m
English
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Name
WebControl
Synopsis
This class is the base class for all web controls. The WebControl class derives much of its
basic functionality from System.Web.UI.Control, including
functionality for data binding and using view state. The WebControl class adds additional user-interface specific members for configuring the control’s appearance—including a
collection of CSS attributes
(Style), color options
(BackColor and ForeColor), a shortcut key
(AccessKey), and various
border style, font, and dimension properties. One interesting property that is
specific to web controls is CssClass, which sets the
Cascading Style Sheet class applied to the control. This is rendered as the class
attribute in HTML (for example, <input type=text class="class1" style="ForeColor:red">). Some properties, such as AccessKey, may not be
supported on down-level browsers.
All methods and the TagName, TagKey, Attributes, and Style properties are provided
for developers to use or override in custom web controls. If you want to create a
server control that renders user interface (HTML), you should extend one of the web
control classes or inherit directly from WebControl rather than the more basic System.Web.UI.Control class. You should override the RenderContents() method,
which provides a System.Web.UI.HtmlTextWriter for generating
output. You do not need to manually output style attributes (or the basic HTML tag,
if you have supplied it to the base WebControl constructor), as the WebControl class will handle these ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.