[英]How to append node and attribute to an existing Xml file
I have the following XML file. 我有以下XML文件。 I have to add a node using XElement
and XAttribute
. 我必须使用XElement
和XAttribute
添加一个节点。 How to do this? 这个怎么做?
<?xml version="1.0" encoding="UTF-8"?>
<Report xmlns="http://schemas.microsoft.com/sqlserver/reporting/2005/01/reportdefinition" xmlns:rd="http://schemas.microsoft.com/SQLServer/reporting/reportdesigner">
<DataSets>
<DataSet Name="Data">
<Query>
<DataSourceName>DS1</DataSourceName>
<CommandText>SELECT FirstName,LastName FROM Person</CommandText>
</Query>
</DataSet>
<DataSet Name="table22">
<Query>
<DataSourceName>DS1</DataSourceName>
<CommandText>New text2</CommandText>
</Query>
How to add following XML text to above xml file at the end of both "/query" element using XElement
And XAttribute
如何使用XElement
和XAttribute
在“ / query”元素的末尾将以下XML文本添加到上述xml文件中
<Fields>
<Field Name="ReportId">
<DataField>ReportId</DataField>
<rd:TypeName>System.Int64</rd:TypeName>
</Field>
You can try to select <Query>
element first, then use AddAfterSelf()
method to add <Fields>
element after <Query>
element, for example : 您可以尝试先选择<Query>
元素,然后使用AddAfterSelf()
方法在<Query>
元素之后添加<Fields>
<Query>
元素,例如:
var doc = XElement.Parse(xml);
XNamespace ns = "http://schemas.microsoft.com/sqlserver/reporting/2005/01/reportdefinition";
var query = doc.Element(ns + "DataSets").Element(ns + "DataSet").Element(ns + "Query");
Console.WriteLine("before :");
Console.WriteLine(doc.ToString());
Console.WriteLine("");
XNamespace rd = "http://schemas.microsoft.com/SQLServer/reporting/reportdesigner";
var field = new XElement(ns+"Fields",
new XElement(ns+"Field", new XAttribute("Name", "ReportId")
, new XElement(ns+"DataField", "ReportId")
, new XElement(rd + "TypeName", "System.Int64")));
query.AddAfterSelf(field);
Console.WriteLine("after :");
Console.WriteLine(doc.ToString());
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