How to load XML file value to listbox in C# WPF.

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how can i load XML file value to listbox, when window is loaded ??.
I want like in XML file listbox item will be saved. after window is loaded previous xml value will be loaded to Listbox.

Please anyone help me to solve this problem..

What I have tried:

void Window_Loaded(object sender, RoutedEventArgs e)
{
XElement xml = XElement.Parse(stringJoin("", File.ReadAllLines("WH_Num.xml")));

foreach (XElement el in xml.Elements())
{
ListBoxItem item = new ListBoxItem();
string name = el.Attribute("name").Value;
string value = el.Attribute("value").value;
item.Content = name + ": " + value;

ListBox1.Items.Add(item);
}
}

I tried above code for Loading, but it was not working. After window is loaded listbox is still empty.

Posted 12-May-20 23:48pm

Member 14672509

Updated 13-May-20 0:48am

Garth J Lancaster

v2

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Richard MacCutchan 13-May-20 6:04am

Use your debugger to trace the code and see exactly what values are being extracted from the XML source.

2 solutions

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Garth J Lancaster · Answer 1 · 2020-05-13T00:13:00

Solution 1

As well as Richard's suggestion, I'd try simplifying the 'add loop' to

foreach (XElement el in xml.Elements())
{
    string listBoxElement = "";
    string name = el.Attribute("name").Value;
    string value = el.Attribute("value").value;
    listBoxElement  = name + ": " + value;

    ListBox1.Items.Add(listBoxElement);
}

Posted 13-May-20 0:13am

Garth J Lancaster

Comments

Member 14672509 13-May-20 6:51am

i tried now, but it also not working. after window loading listbox will be empty.

RickZeeland · Answer 2 · 2020-05-13T00:49:00

Solution 2

I would recommend using a XmlDataProvider and the ListBox ItemsSource.
See example here: wpf - Displaying data from an XML file, on a listbox - Stack Overflow[^]

Posted 13-May-20 0:49am

RickZeeland