100165681.htm
来自「C#高级编程(第三版),顶死你们。。 。up」· HTM 代码 · 共 952 行 · 第 1/5 页
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<td width=457 valign=top style='width:342.4pt;border:none;border-bottom:solid windowtext 1.0pt;
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<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span style='font-family:宋体'>提供一个用户可以编辑的文本框。使用</span><span lang=EN-US>Text</span><span
style='font-family:宋体'>属性访问输入的数据，</span><span lang=EN-US>Text Changed</span><span
style='font-family:宋体'>事件可处理回送的选择变化。如果要求进行自动回送</span><span lang=EN-US>(</span><span
style='font-family:宋体'>而不是使用按钮</span><span lang=EN-US>)</span><span
style='font-family:宋体'>，就应把</span><span lang=EN-US>AutoPostBack</span><span
style='font-family:宋体'>属性设置为</span><span lang=EN-US>true</span></p>
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<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span lang=EN-US>DropDownList</span></p>
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<td width=457 valign=top style='width:342.4pt;border:none;border-bottom:solid windowtext 1.0pt;
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<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span style='font-family:宋体'>允许用户选择一个列表项，可以直接从列表中选择，也可以键入前面的一或两个字母来选择。使用属性</span><span
lang=EN-US>Items</span><span style='font-family:宋体'>设置项目列表</span><span
lang=EN-US>(</span><span style='font-family:宋体'>这是一个包含</span><span
lang=EN-US>ListItem</span><span style='font-family:宋体'>对象的</span><span
lang=EN-US>ListItemCollection</span><span style='font-family:宋体'>类</span><span
lang=EN-US>)</span><span style='font-family:宋体'>，</span><span lang=EN-US>SelectedItem
</span><span style='font-family:宋体'>和</span><span lang=EN-US> SelectedIndex</span><span
style='font-family:宋体'>属性可确定选择的内容。</span><span lang=EN-US>SelectedIndexChanged</span><span
style='font-family:宋体'>事件可用于确定选项是否改变，这个控件也有</span><span lang=EN-US>AutoPostBack</span><span
style='font-family:宋体'>属性，所以选项的改变会触发一个回送操作</span></p>
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<td width=127 valign=top style='width:95.5pt;border-top:none;border-left:
none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
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<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span lang=EN-US>ListBox</span></p>
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<td width=457 valign=top style='width:342.4pt;border:none;border-bottom:solid windowtext 1.0pt;
padding:1.4pt 9.9pt 1.4pt 9.9pt'>
<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span style='font-family:宋体'>允许用户从列表中选择一个或多个列表。把</span><span lang=EN-US>SelectionMode </span><span
style='font-family:宋体'>设置为</span><span lang=EN-US> Multiple </span><span
style='font-family:宋体'>或</span><span lang=EN-US> Single</span><span
style='font-family:宋体'>，可以确定一次选择多少个选项，</span><span lang=EN-US>Rows</span><span
style='font-family:宋体'>确定要显示的选项个数。其他属性和事件与</span><span lang=EN-US>DropDownList</span><span
style='font-family:宋体'>控件的相同</span></p>
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<td width=127 valign=top style='width:95.5pt;border-top:none;border-left:
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<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span lang=EN-US>Image</span></p>
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<td width=457 valign=top style='width:342.4pt;border:none;border-bottom:solid windowtext 1.0pt;
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<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span style='font-family:宋体'>显示一个图像。使用</span><span lang=EN-US>ImageUrl</span><span
style='font-family:宋体'>进行图像引用，如果图像加载失败，由</span><span lang=EN-US>AlternateText</span><span
style='font-family:宋体'>提供对应的文本</span></p>
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<td width=127 valign=top style='width:95.5pt;border-top:none;border-left:
none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
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<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span lang=EN-US>AdRotator</span></p>
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<td width=457 valign=top style='width:342.4pt;border:none;border-bottom:solid windowtext 1.0pt;
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<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span style='font-family:宋体'>顺序显示几个图像。在一个服务器循环后，显示另一个图像。使用</span><span lang=EN-US>Advertisement File</span><span
style='font-family:宋体'>属性指定描述图像的</span><span lang=EN-US>XML</span><span
style='font-family:宋体'>文件，</span><span lang=EN-US>AdCreated</span><span
style='font-family:宋体'>事件在每个图像发回之前执行处理操作。也可以使用</span><span lang=EN-US>Target</span><span
style='font-family:宋体'>属性在单击一个图像时命名一个要打开的窗口</span></p>
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<td width=127 valign=top style='width:95.5pt;border-top:none;border-left:
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<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span lang=EN-US>CheckBox</span></p>
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<td width=457 valign=top style='width:342.4pt;border:none;border-bottom:solid windowtext 1.0pt;
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<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span
style='font-family:宋体'>显示一个复选框。选择的状态存储在布尔属性</span><span lang=EN-US>Checked</span><span
style='font-family:宋体'>中，与复选框相关的文本存储在</span><span lang=EN-US>Text</span><span
style='font-family:宋体'>属性中。</span><span lang=EN-US>AutoPostBack</span><span
style='font-family:宋体'>属性可以用于启动自动回送，</span><span lang=EN-US>Checked Changed</span><span
style='font-family:宋体'>事件则执行改变操作</span></p>
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<td width=127 valign=top style='width:95.5pt;border-top:none;border-left:
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<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span lang=EN-US>CheckBoxList</span></p>
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<td width=457 valign=top style='width:342.4pt;border:none;border-bottom:solid windowtext 1.0pt;
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<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span style='font-family:宋体'>创建一组复选框。属性和事件与其他列表控件相同，例如</span><span lang=EN-US>DropDownList</span></p>
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<td width=127 valign=top style='width:95.5pt;border-top:none;border-left:
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<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span lang=EN-US>RadioButton</span></p>
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<td width=457 valign=top style='width:342.4pt;border:none;border-bottom:solid windowtext 1.0pt;
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<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span
style='font-family:宋体'>显示一个单选按钮。一般情况下，它们都组合在一个组中，其中只有一个</span><span
lang=EN-US>RadioButton</span><span style='font-family:宋体'>控件是激活的。使用</span><span
lang=EN-US>GroupName</span><span style='font-family:宋体'>属性可以把</span><span
lang=EN-US>RadioButton</span><span style='font-family:宋体'>控件链接到一个组中。其他属性和事件与</span><span
lang=EN-US>CheckBox</span><span style='font-family:宋体'>相同</span></p>
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<td width=127 valign=top style='width:95.5pt;border-top:none;border-left:
none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
padding:1.4pt 9.9pt 1.4pt 9.9pt'>
<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span lang=EN-US>RadioButtonList</span></p>
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<td width=457 valign=top style='width:342.4pt;border:none;border-bottom:solid windowtext 1.0pt;
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<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span
style='font-family:宋体'>创建一组单选按钮组，在这个组中，一次只能选择一个按钮。其属性和事件与其他列表控件相同</span></p>
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<td width=127 valign=top style='width:95.5pt;border-top:none;border-left:
none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
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<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span lang=EN-US>Calendar</span></p>
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<td width=457 valign=top style='width:342.4pt;border:none;border-bottom:solid windowtext 1.0pt;
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<p class=a4 style='margin-left:10.7pt;line-height:16.3pt'><span
style='font-family:宋体'>允许用户从图像日历中选择一个日期。这个控件有许多与格式相关的属性，但其基本功能是使用</span><span
lang=EN-US>SelectedDate </span><span style='font-family:宋体'>和</span><span
lang=EN-US> VisibleDate</span><span style='font-family:宋体'>属性</span><span
lang=EN-US>(</span><span style='font-family:宋体'>其类型是</span><span lang=EN-US>System.Date
Time)</span><span style='font-family:宋体'>来访问由用户选择的日期和月份，并显示出来</span><span
lang=EN-US>(</span><span style='font-family:宋体'>总是包含</span><span lang=EN-US>VisibleDate)</span><span
style='font-family:宋体'>。其关联的关键事件是</span><span lang=EN-US>SelectionChanged</span><span
style='font-family:宋体'>，这个控件的回送是自动的</span></p>
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</table>
</div>
<p class=a4 align=right style='margin-left:10.7pt;text-align:right;line-height:
16.0pt;word-break:break-all'><span lang=EN-US> (</span><span
style='font-family:宋体'>续表</span><span lang=EN-US>) </span></p>
<div align=center>
<table class=MsoNormalTable border=1 cellspacing=0 cellpadding=0 width=584
style='width:437.9pt;border-collapse:collapse;border:none'>
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<td width=127 valign=top style='width:95.5pt;border:solid windowtext 1.0pt;
border-left:none;padding:1.4pt 9.9pt 1.4pt 9.9pt'>
<p class=a2 style='line-height:15.0pt'><span lang=EN-US style='font-family:
宋体'> </span><span style='font-family:黑体'>控</span><span
lang=EN-US> </span><span style='font-family:黑体'>件</span></p>
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<td width=457 valign=top style='width:342.4pt;border-top:solid windowtext 1.0pt;
border-left:none;border-bottom:solid windowtext 1.0pt;border-right:none;
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<p class=a2 style='line-height:15.0pt'><span style='font-family:黑体'>说</span><span
lang=EN-US> </span><span style='font-family:黑体'>明</span></p>
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<td width=127 valign=top style='width:95.5pt;border-top:none;border-left:
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<p class=a4 style='margin-left:10.7pt;line-height:15.0pt'><span lang=EN-US>Button</span></p>
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<td width=457 valign=top style='width:342.4pt;border:none;border-bottom:solid windowtext 1.0pt;
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<p class=a4 style='margin-left:10.7pt;line-height:15.0pt'><span style='font-family:宋体'>用户单击的标准按钮。</span><span lang=EN-US>Text</span><span style='font-family:
宋体'>属性用于设置按钮上的文本，</span><span lang=EN-US>Click</span><span style='font-family:
宋体'>事件用于响应单击</span><span lang=EN-US>(</span><span style='font-family:宋体'>服务器回送是自动的</span><span
lang=EN-US>)</span><span style='font-family:宋体'>。也可以使用</span><span
lang=EN-US>Command</span><span style='font-family:宋体'>事件响应单击，该事件可以访问接收的附加属性</span><span
lang=EN-US>CommandName </span><span style='font-family:宋体'>和</span><span
lang=EN-US> CommandArgument </span></p>
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