XML manipulation using csharp

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If i want to delete an xml node,update an existing node and add a new node in the following xml sample using c#, what should i do?

XML

<?xml version="1.0" ?>
- <GovTalkMessage xmlns="http://www.govtalk.gov.uk/CM/envelope">
  <EnvelopeVersion>2.0</EnvelopeVersion>
- <Header>
- <MessageDetails>
  <Class>HMRC-VAT-DEC</Class>
  <Qualifier>poll</Qualifier>
  <Function>submit</Function>
  <TransactionID />
  <CorrelationID>1B93D48C02D740C6B79DE68A27F3ADE5</CorrelationID>
  <ResponseEndPoint PollInterval="10">https://secure.dev.gateway.gov.uk/poll</ResponseEndPoint>
  <GatewayTimestamp>2011-04-05T07:41:43.018</GatewayTimestamp>
  </MessageDetails>
  <SenderDetails />
  </Header>
- <GovTalkDetails>
  <Keys />
  </GovTalkDetails>
  <Body />
  </GovTalkMessage>

Posted 4-Apr-11 22:12pm

Member 7794889

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walterhevedeich · Answer 1 · 2011-04-04T22:23:00

Solution 2

Member 7794889308 wrote:
If i want to delete an xml node,update an existing node and add a new node in the following xml sample using c#, what should i do?

I suggest you take a look at this.

Manipulate XML File Data Using C#[^]

Posted 4-Apr-11 22:23pm

walterhevedeich

Sergey Alexandrovich Kryukov · Answer 2 · 2011-04-04T22:18:00

If the files are relatively small, the simplest way is using DOM. Use System.Xml.XmlDataDocument.

Note: you should not ever work with XML nodes directly. In case of DOM, you read full XML document, manipulate DOM nodes (they have one-to-one correspondence with XML Elements and Attributes, but they are not the same). The main class you will work is System.Xml.XmlNode, as well as derived classes. Take a look at the help of those classes; and you will immediately see how to manipulate them.

—SA