[英]Copying and Renaming an Element from one XML file to another XML file in c#
[英]Copy specified child node from one xml file to another xml file in C#
以下是我的两个xml文件 - 样本xml文件
<tbltemp> <Details> <Id>1</Id> <Name>John</Name> <Date>25.09.2016</Date> <Time>09:30:45</Time> <Flag>1</Flag> </Details> <Details> <Id>2</Id> <Name>John</Name> <Date>25.09.2016</Date> <Time>01:30:45</Time> <Flag>1</Flag> </Details> <Details> <Id>3</Id> <Name>John</Name> <Date>25.09.2016</Date> <Time>11:36:45</Time> <Flag>1</Flag> </Details> <Details> <Id>1</Id> <Name>Jack</Name> <Date>25.09.2016</Date> <Time>11:36:45</Time> <Flag>1</Flag> </Details> </tbltemp>
DBfile.xml
<tbltemp> <Data> <Id>1</Id> <Name>John</Name> <Age>23</Age> <Team>Software</Team> <Flag>1</Flag> </Data> <Data> <Id>2</Id> <Name>John</Name> <Age>23</Age> <Team>Software</Team> <Flag>1</Flag> </Data> <Data> <Id>3</Id> <Name>John</Name> <Age>23</Age> <Team>Software</Team> <Flag>1</Flag> </Data> <Data> <Id>1</Id> <Name>Jack</Name> <Age>24</Age> <Team>Software</Team> <Flag>1</Flag> </Data> </tbltemp>
我想从示例xml文件(其中两个ID都与ID匹配)中复制DBfile.xml文件中的日期和时间。
我想要这样的DBfile.xml-
<tbltemp> <Data> <Id>1</Id> <Name>John</Name> <Age>23</Age> <Team>Software</Team> <Date>25.09.2016</Date> <Time>09:30:45</Time> <Flag>1</Flag> </Data> <Data> <Id>2</Id> <Name>John</Name> <Age>23</Age> <Team>Software</Team> <Date>25.09.2016</Date> <Time>01:30:45</Time> <Flag>1</Flag> </Data> <Data> <Id>3</Id> <Name>John</Name> <Age>23</Age> <Team>Software</Team> <Date>25.09.2016</Date> <Time>11:36:45</Time> <Flag>1</Flag> </Data> <Data> <Id>1</Id> <Name>Jack</Name> <Age>24</Age> <Team>Software</Team> <Date>25.09.2016</Date> <Time>11:36:45</Time> <Flag>1</Flag> </Data> </tbltemp>
我一直在使用这样的代码
strDetails = "sample.xml";
strDBDir = "DBfile.xml";
var xDoc1 = XDocument.Load(strDetails);
var xDoc2 = XDocument.Load(strDBDir);
var doc1Entries = xDoc1.Descendants("Details");
/// var cloneEntries = doc1Entries.Select(x => new XElement(x));//"AgentId").Value == AgentId.ToString()
var cloneEntries = doc1Entries.Select(x => new XElement(x));
xDoc2.Descendants("Date").Last().AddFirst(cloneEntries);
xDoc2.Descendants("Time").Last().AddAfterSelf(cloneEntries);
xDoc2.Save(strDBDir);
但是无法将数据从一个文件复制到另一个文件。相反,它只是将loginid添加到DBfile.xml中
任何人都可以在这里指导。
使用linq join
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml;
using System.Xml.Linq;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
XDocument sampleDoc = XDocument.Load(@"c:\temp\sample.xml");
XDocument dbDoc = XDocument.Load(@"c:\temp\dbfile.xml");
var merge =
(from db in dbDoc.Descendants("Data")
join sample in sampleDoc.Descendants("Details") on new { id = (int)db.Element("Id"), name = (string)db.Element("Name") } equals new { id = (int)sample.Element("Id"), name = (string)sample.Element("Name") }
select new { db = db, sample = sample });
foreach (var row in merge)
{
row.db.Add(new object[] {
row.sample.Element("Date"),
row.sample.Element("Time")
});
}
}
}
}
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