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23.5.2 使用XmlValidatingReader类
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23.5.2 使用XmlValidatingReader类
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2006-10-13 14:41:00
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<div style='float:left;width:49%'>·<a href='100165638.htm'>23.4 使用System.Xml类</a></div><div style='float:right;width:49%'>·<a href='100165639.htm'>23.5 读写流格式的XML</a></div><div style='float:left;width:49%'>·<a href='100165640.htm'>23.5.1 使用 XmlTextReader类</a></div><div style='float:right;width:49%'>·<a href='100165642.htm'>23.5.3 使用XmlTextWriter类</a></div><div style='float:left;width:49%'>·<a href='100165643.htm'>23.6 在.NET中使用DOM</a></div><div style='float:right;width:49%'>·<a href='100165644.htm'>23.7 在NET中使用XPath和XSLT</a></div></div>
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<link href="css.css" rel="stylesheet" type="text/css" /><h3 style="MARGIN-TOP: 8.15pt; MARGIN-LEFT: 0cm; MARGIN-RIGHT: 0cm; FTEL: 8.15pt"><span lang="EN-US">23.5.2 </span><span style="FONT-FAMILY: 黑体">使用</span><span lang="EN-US">XmlValidatingReader</span><span style="FONT-FAMILY: 黑体">类</span></h3>
<p class="MsoNormal"><a ftel="XMLValidatingReader"></a><a ftel="validation"><span style="FONT-FAMILY: 宋体">如果要验证</span><span lang="EN-US">XML</span></a><span style="FONT-FAMILY: 宋体">文档的有效性，就需要使用</span><span lang="EN-US">XmlValidatingReader</span><span style="FONT-FAMILY: 宋体">，它的功能与</span><span lang="EN-US">XmlTextReader</span><span style="FONT-FAMILY: 宋体">相同</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体">它们都扩展了</span><span lang="EN-US">XmlReader)</span><span style="FONT-FAMILY: 宋体">，但</span><span lang="EN-US">XmlValidatingReader</span><span style="FONT-FAMILY: 宋体">增加了</span><span lang="EN-US">ValidationType</span><span style="FONT-FAMILY: 宋体">属性、</span><span lang="EN-US">Schemas</span><span style="FONT-FAMILY: 宋体">属性和</span><span lang="EN-US">SchemaType</span><span style="FONT-FAMILY: 宋体">属性。</span></p>
<p class="MsoNormal"><span style="FONT-FAMILY: 宋体">把</span><span lang="EN-US">ValidationType</span><span style="FONT-FAMILY: 宋体">属性设置为要进行有效性验证的类型。这个属性的有效值如表</span><span lang="EN-US">23-3</span><span style="FONT-FAMILY: 宋体">所示。</span></p>
<p class="a5" style="MARGIN-TOP: 8.15pt"><span style="FONT-FAMILY: 黑体">表</span><span lang="EN-US"> 23-3</span></p>
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<p class="a2"><span style="FONT-FAMILY: 黑体">属</span><span lang="EN-US"> </span><span style="FONT-FAMILY: 黑体">性</span><span lang="EN-US"> </span><span style="FONT-FAMILY: 黑体">值</span></p>
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<p class="a2"><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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<p class="a4" style="MARGIN-LEFT: 10.7pt"><span lang="EN-US">Auto</span></p>
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<p class="a4" style="MARGIN-LEFT: 10.7pt"><span style="FONT-FAMILY: 宋体">如果在</span><span lang="EN-US"><!DOCTYPE…></span><span style="FONT-FAMILY: 宋体">声明中声明了</span><span lang="EN-US">DTD</span><span style="FONT-FAMILY: 宋体">，就加载和处理该</span><span lang="EN-US">DTD</span><span style="FONT-FAMILY: 宋体">。在</span><span lang="EN-US">DTD</span><span style="FONT-FAMILY: 宋体">中定义的默认属性和一般实体是可用的</span></p>
<p class="a4" style="MARGIN-LEFT: 10.7pt"><span style="FONT-FAMILY: 宋体">如果找到了一个</span><span lang="EN-US">XSD schemalocation</span><span style="FONT-FAMILY: 宋体">属性，就加载和处理</span><span lang="EN-US">XSD</span><span style="FONT-FAMILY: 宋体">，并返回在该模式中定义的默认属性</span><span lang="EN-US"> </span></p>
<p class="a4" style="MARGIN-LEFT: 10.7pt"><span style="FONT-FAMILY: 宋体">如果找到了带有</span><span lang="EN-US">MSXML x-schema:</span><span style="FONT-FAMILY: 宋体">前缀的命名空间，就加载和处理</span><span lang="EN-US">XDR</span><span style="FONT-FAMILY: 宋体">模式，返回定义的默认属性</span></p>
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<p class="a4" style="MARGIN-LEFT: 10.7pt"><span lang="EN-US">DTD</span></p>
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<p class="a4" style="MARGIN-LEFT: 10.7pt"><span style="FONT-FAMILY: 宋体">根据</span><span lang="EN-US">DTD</span><span style="FONT-FAMILY: 宋体">规则进行有效性验证</span></p>
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<p class="a4" style="MARGIN-LEFT: 10.7pt"><span lang="EN-US">Schema</span></p>
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<p class="a4" style="MARGIN-LEFT: 10.7pt"><span style="FONT-FAMILY: 宋体">根据</span><span lang="EN-US">XSD</span><span style="FONT-FAMILY: 宋体">模式进行有效性验证</span></p>
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<p class="a4" style="MARGIN-LEFT: 10.7pt"><span lang="EN-US">XDR</span></p>
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<p class="a4" style="MARGIN-LEFT: 10.7pt"><span style="FONT-FAMILY: 宋体">根据</span><span lang="EN-US">XDR</span><span style="FONT-FAMILY: 宋体">模式进行有效性验证</span></p>
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<p class="a4" style="MARGIN-LEFT: 10.7pt"><span lang="EN-US">None</span></p>
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<p class="a4" style="MARGIN-LEFT: 10.7pt"><span style="FONT-FAMILY: 宋体">不执行任何有效性验证</span></p>
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<p class="MsoNormal"><span lang="EN-US"> </span></p>
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