[英]Reading XML from isolated storage to ListBox
I have this code to read XML file from isolated storage to ListBox: 我有以下代码可以将XML文件从隔离存储读取到ListBox:
using (IsolatedStorageFile isoStore = IsolatedStorageFile.GetUserStoreForApplication())
{
using (IsolatedStorageFileStream isoStream = new IsolatedStorageFileStream("People2.xml", FileMode.Open, isoStore))
{
XDocument loadedCustomData = XDocument.Load(isoStream);
var filteredData = from c in loadedCustomData.Descendants("person")
select new Person()
{
Name = c.Attribute("name").Value,
Beneficiary = c.Attribute("beneficiary").Value,
Price = c.Attribute("price").Value,
Deadline = c.Attribute("deadline").Value,
Index = c.Attribute("index").Value,
Description = c.Attribute("description").Value
};
listBox.ItemsSource = filteredData;
}
}
But when I execute it against this XML 但是当我针对这个XML执行它时
<?xml version="1.0" encoding="utf-8" ?>
<people>
<person id="2"
name="przyklad"
price="850"
deadline="22.10.12"
beneficiary="asdasd"
description="xxx" />
</people>
I have this error: 我有这个错误:
NullReferenceException
In this code fragment: 在此代码片段中:
select new Person()
{
Name = c.Attribute("name").Value,
Beneficiary = c.Attribute("beneficiary").Value,
Price = c.Attribute("price").Value,
Deadline = c.Attribute("deadline").Value,
Index = c.Attribute("index").Value,
Description = c.Attribute("description").Value
};
Do you know what can help? 你知道有什么可以帮助的吗?
<?xml version="1.0" encoding="utf-8" ?>
<people>
<person id="2" name="przyklad" price="850" deadline="22.10.12" beneficiary="asdasd" description="xxx" />
</people>
There is no index
attribute on your XML, so following line is the reason of you exception: XML上没有
index
属性,因此以下行是导致异常的原因:
Index = c.Attribute("index").Value
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