ASP.Net/XML/XmlReader — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Текущая версия на 11:51, 26 мая 2010
Reading an XML File and attributes using XmlReader
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Xml" %>
<script runat="server">
void Page_Load(object sender, EventArgs e)
{
//string xmlFilePath = @"C:\Data\Employees.xml";
string xmlFilePath = MapPath("Employees.xml");
try
{
using (XmlReader reader = XmlReader.Create(xmlFilePath))
{
string result;
while (reader.Read())
{
//Process only the elements
if (reader.NodeType == XmlNodeType.Element)
{
result = "";
for (int count = 1; count <= reader.Depth; count++)
{
result += "===";
}
result += "=> " + reader.Name;
lblResult.Text += result;
// check if the element has any attributes
if (reader.HasAttributes)
{
lblResult.Text += " (";
for (int count = 0; count < reader.AttributeCount; count++)
{
//Read the current attribute
reader.MoveToAttribute(count);
lblResult.Text += reader.Name;
}
lblResult.Text += ")";
//Instruct the parser to go back the element
reader.MoveToElement();
}
lblResult.Text += "<br/>";
}
}
}
}
catch (Exception ex)
{
lblResult.Text = "An Exception occurred: " + ex.Message;
}
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Reading an XML File and attributes using XmlReader</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:label id="lblResult" runat="server" />
</div>
</form>
</body>
</html>
<%--
<?xml version="1.0"?>
<employees>
<employee id="1">
<name>
<firstName>Nancy</firstName>
<lastName>Lee</lastName>
</name>
<city>Seattle</city>
<state>WA</state>
<zipCode>98122</zipCode>
</employee>
<employee id="2">
<name>
<firstName>Jason</firstName>
<lastName>Wang</lastName>
</name>
<city>Vancouver</city>
<state>WA</state>
<zipCode>98123</zipCode>
</employee>
</employees>
--%>