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C#对XML的操作,利用DataSet对XML进行操作。
DataSet对XML进行生成、更新、添加、删除等操作
//
创建一个数据集
DataSet dsTradeNews
=
new
DataSet();
//
读取XML文件用于绑定到DataGrid上
dsTradeNews.ReadXml(
@"
D:\CorpInfo.xml
"
,XmlReadMode.Auto);
//
创建一个表
DataTable dtTradeNews
=
new
DataTable(
"
TradeNews
"
);
//
创建列
DataColumn dcSimpleName
=
new
DataColumn(
"
SimpleName
"
,Type.GetType(
"
System.String
"
));
DataColumn dcCode
=
new
DataColumn(
"
Code
"
,Type.GetType(
"
System.String
"
));
//
将列加入到表中
dtTradeNews.Columns.Add(dcSimpleName);
dtTradeNews.Columns.Add(dcCode);
//
创建行并为每列赋值
DataRow drTradeNew
=
dtTradeNews.NewRow();
drTradeNew[
"
SimpleName
"
]
=
"
公司
"
;
drTradeNew[
"
Code
"
]
=
"
888888
"
;
//
将表加入数据集中
dsTradeNews.Tables.Add(dtTradeNews);
//
生成XML文件或覆盖XML文件
try
{
dsTradeNews.WriteXml(
@"
D:\CorpInfo.xml
"
);
}
catch
(Exception ex)
{
Response.Write(
"
生成XML文件产生异常:
"
+
ex.Message);
return
;
}
dgTradeNews.DataSource
=
dsTradeNews.Tables[
"
TradeNews
"
].DefaultView;
dgTradeNews.DataBind();
另一种操作方式:
利用:doc、XmlNode
//
创建XmlDocument的实例
private
XmlDocument doc
=
new
XmlDocument();
private
XmlElement X_TR;
private
XmlElement X_Script;
private
XmlElement X_Connection;
private
XmlElement X_Time;
private
XmlElement X_Name;
private
XmlElement X_Path;
private
XmlText X_Script_Text;
private
XmlText X_Connection_Text;
private
XmlText X_Time_Text;
private
XmlText X_Name_Text;
private
XmlText X_Path_Text;
const
string
cfileName
=
"
XMLnote.xml
"
;
const
string
XmlFile
=
"
ScriptMain
"
;
const
string
XmlTab
=
"
TAB
"
;
const
string
XmlConnection
=
"
Connection
"
;
const
string
XmlScript
=
"
Script
"
;
const
string
XmlPath
=
"
Path
"
;
const
string
XmlName
=
"
Name
"
;
const
string
XmlTime
=
"
Time
"
;
//
XML文档起点
private
string
XMLOP
=
""
;
doc.Load(cfileName);
XmlNode Root
=
doc.DocumentElement;
string
XMLstart
=
GetXMLOP();
XmlNode XNode
=
doc.SelectSingleNode(XMLstart);
if
(XNode
!=
null
)
{
//
产生行元素
X_TR
=
doc.CreateElement(
""
,XmlTab,
""
);
//
产生Script元素
X_Connection
=
doc.CreateElement(
""
,XmlConnection,
""
);
X_Script
=
doc.CreateElement(
""
,XmlScript,
""
);
X_Path
=
doc.CreateElement(
""
,XmlPath,
""
);
X_Name
=
doc.CreateElement(
""
,XmlName,
""
);
X_Time
=
doc.CreateElement(
""
,XmlTime,
""
);
//
产生该元素的文本
X_Connection_Text
=
doc.CreateTextNode(XMLLogList.Connection);
X_Script_Text
=
doc.CreateTextNode(XMLLogList.Script);
X_Path_Text
=
doc.CreateTextNode(XMLLogList.Path);
X_Name_Text
=
doc.CreateTextNode(XMLLogList.Name);
X_Time_Text
=
doc.CreateTextNode(XMLLogList.Time.ToString());
//
向Script元素添加文本
X_Connection.AppendChild(X_Connection_Text);
X_Script.AppendChild(X_Script_Text);
X_Path.AppendChild(X_Path_Text);
X_Name.AppendChild(X_Name_Text);
X_Time.AppendChild(X_Time_Text);
//
将Script元素添加到行节点下
X_TR.AppendChild(X_Connection);
X_TR.AppendChild(X_Script);
X_TR.AppendChild(X_Path);
X_TR.AppendChild(X_Name);
X_TR.AppendChild(X_Time);
//
将行元素添加到父节点下
XNode.AppendChild(X_TR);
}
doc.Save(cfileName);
另一种操作XML的方式:
利用FileStream、XmlTextWriter操作XML文件
//
第一次生成XML记录文件
FileStream XMLStream
=
new
FileStream(cfileName,FileMode.CreateNew);
XmlTextWriter XmlWrite
=
new
XmlTextWriter(XMLStream,Encoding.Unicode);
XmlWrite.Formatting
=
Formatting.Indented;
try
{
XMLBuilWriter(XmlWrite,XMLLogList);
XmlWrite.Close();
}
catch
(Exception ex)
{
cRemark
=
ex.Message.ToString();
}
//
开始创建XML文件
static
void
XMLBuilWriter(XmlWriter Write,LogListAttribute XMLLogList)
{
Write.WriteStartElement(XmlFile);
Write.WriteStartElement(XmlTab);
Write.WriteElementString(XmlConnection,XMLLogList.Connection);
Write.WriteElementString(XmlScript,XMLLogList.Script);
Write.WriteElementString(XmlPath,XMLLogList.Path);
Write.WriteElementString(XmlName,XMLLogList.Name);
Write.WriteElementString(XmlTime,DateTime.Now.ToLongTimeString());
Write.WriteEndElement();
Write.WriteEndElement();
}
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原文地址:https://www.cnblogs.com/hanguoji/p/598452.html
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