[英]Read XML element value by excluding namespace related attributes present in the XML
I am trying to read the values of the elements present in XML. 我正在尝试读取XML中存在的元素的值。 It is working properly if input doesn't contains any namespaces related attributes in that XML as below - 如果输入在XML中不包含任何与名称空间相关的属性,则它可以正常工作,如下所示-
string testInputXML = @"
<FIXML>
<Header>
<RequestHeader>
<MessageKey>
<RequestUUID>Req_1499940064961</RequestUUID>
<ServiceRequestId>getLastNTransactionsWithPagination</ServiceRequestId>
<ServiceRequestVersion>10.2</ServiceRequestVersion>
<ChannelId>COR</ChannelId>
<LanguageId></LanguageId>
</MessageKey>
</RequestHeader>
</Header>
<isLogging>true</isLogging>
</FIXML>
";
XElement myElement = XElement.Parse(testInputXML);
Console.WriteLine(myElement.Element("isLogging").Value);
If input XML contains any namespaces related attributes then it is throwing exception. 如果输入XML包含任何与名称空间相关的属性,则它将引发异常。
Object reference not set to an instance of an object. 你调用的对象是空的。
string testInputXML = @"
<FIXML xsi:schemaLocation=""http://www.w3.org/2001/XMLSchema-instance"" xmlns=""http://www.w3.org/fixml"" xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"">
<Header>
<RequestHeader>
<MessageKey>
<RequestUUID>Req_1499940064961</RequestUUID>
<ServiceRequestId>getLastNTransactionsWithPagination</ServiceRequestId>
<ServiceRequestVersion>10.2</ServiceRequestVersion>
<ChannelId>COR</ChannelId>
<LanguageId></LanguageId>
</MessageKey>
</RequestHeader>
</Header>
<isLogging>true</isLogging>
</FIXML>
";
XElement myElement = XElement.Parse(testInputXML);
Console.WriteLine(myElement.Element("isLogging").Value);
Is there any way to exclude the namespaces present in the XML while fetching element values? 在获取元素值时,有什么方法可以排除XML中存在的命名空间?
尝试这个:
Console.WriteLine(myElement.DescendantsAndSelf().Elements().FirstOrDefault(d => d.Name.LocalName == "isLogging")?.Value);
Try using XPath like this: 尝试像这样使用XPath:
XDocument xmlDoc = XDocument.Parse(xml);
XElement element = xmlDoc.XPathSelectElement("/*[name()='FIXML']/*[name()='isLogging']");
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.