请教如何对xml文件进行验证（使用DTD）

[jjstar]

验证文件名为YSFPDKLJK.dtd，是上层系统统一定义的，内容如下，
<?xml version="1.0" encoding="GBK"?>
<!--
运输发票抵扣联申报数据DTD
-->
<!--以下部分为系统统一定义-->
<!ELEMENT SCHEMA (TAXPAYER)*>
<!ATTLIST SCHEMA
NAME CDATA #REQUIRED
CHSNAME CDATA #REQUIRED
SSSQ CDATA #REQUIRED
CRC CDATA #REQUIRED
>
<!--以下部分根据YSFPDKLTransfer.xml定义-->
<!ELEMENT TAXPAYER (RECORDS)>
<!--TAXPAYER属性部分由系统统一定义-->
<!ATTLIST TAXPAYER
SWSBH CDATA #REQUIRED
NSRMC CDATA #REQUIRED
SBRQ CDATA #REQUIRED
RECORDCOUNT CDATA #REQUIRED
NSRLX CDATA #REQUIRED
KPRDM CDATA #REQUIRED
KPRMC CDATA #REQUIRED
>
<!ELEMENT RECORDS (RECORD)*>
<!ELEMENT RECORD EMPTY>
<!ATTLIST RECORD
FPZL CDATA #REQUIRED
FPHM CDATA #REQUIRED
KPRQ CDATA #REQUIRED
YSDWMC CDATA #REQUIRED
YSDWSWSBH CDATA #REQUIRED
YSDWSWJGMC CDATA #REQUIRED
YSDWSWJG CDATA #REQUIRED
YFJE CDATA #REQUIRED
YXDKYFJE CDATA #REQUIRED
JXSE CDATA #REQUIRED
>


我的程序生成的xml文件如下

<?xml version="1.0" encoding="GBK"?>
<!DOCTYPE SCHEMA SYSTEM "YSFPDKLJK.dtd">
<SCHEMA NAME="YSFPDKL" CHSNAME="增值税运输发票抵扣清单" SSSQ="200311" CRC="CRC200311_21010500003.XML">
<TAXPAYER SWSBH="21010500003" NSRMC="纳税人007" SBRQ="2003-12-15" RECORDCOUNT="0" CJLX="DKZK" CJRDM="21010500003" CJRMC="纳税人007">
<Records/>
</TAXPAYER>
</SCHEMA>

请问如何在.net中调用dtd对我的文件进行验证？

[saucer]

try something like

using System.Xml;
using System;


string sFile = "TestVal.xml";
XmlTextReader txtreader = new XmlTextReader(sFile);
XmlValidatingReader reader = new XmlValidatingReader(txtreader);
txtreader.WhitespaceHandling = WhitespaceHandling.None;


XmlUrlResolver resolver = new XmlUrlResolver();
reader.XmlResolver = resolver;


XmlDocument xmldoc = new XmlDocument();

try
{
xmldoc.Load(reader);
Console.WriteLine(xmldoc.DocumentElement.ChildNodes.Count);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
txtreader.Close();

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[inethax]

学习->up

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[snakeyin]

到了

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