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Editorial Team
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Asked: 2026-06-12T16:46:47+00:00

Problem : I have data I’ve saved into an XML file, but when I

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Problem : I have data I’ve saved into an XML file, but when I re-open the application, the data in the XML file should be populating my listbox but nothing shows up. I’ve been at this for 2 hours and cannot find the problem.

My code to load xml file :

public void Load()
{
    XDocument myDoc = XDocument.Load(".../.../parking.xml");

    var ticks = from xElem in myDoc.Descendants("Ticket")
               select new Ticket
               {
                   TimeIn = Convert.ToDateTime(xElem.Element("TimeIn").Value),
                   TicketNum = Convert.ToInt32(xElem.Element("TicketNumber").Value),
               };

    this.Clear();

    AddRange(ticks);
}

And my code to try to populate the listbox :

{
        newList = new TickList();

        newList.Load();

        foreach (var nTick in newList)
        {
            spotList.Items.Add(nTick.ToString());
        }
    }

EDIT : http://pastebin.com/YwPj0Nxc

Couldn’t find a good way to format that on this site, but that’s the XML file.

Smurf Edit: Adding pastebin XML

<?xml version="1.0" encoding="utf-8"?>
<Tickets>
  <Ticket>
    <TicketNum>1</TicketNum>
    <TimeIn>2012-10-11T17:49:49.896445-05:00</TimeIn>
  </Ticket>
  <Ticket>
    <TicketNum>2</TicketNum>
    <TimeIn>2012-10-11T17:49:50.2714664-05:00</TimeIn>
  </Ticket>
  <Ticket>
    <TicketNum>3</TicketNum>
    <TimeIn>2012-10-11T17:49:50.4304755-05:00</TimeIn>
  </Ticket>
  <Ticket>
    <TicketNum>4</TicketNum>
    <TimeIn>2012-10-11T17:49:50.5944849-05:00</TimeIn>
  </Ticket>
</Tickets>
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1 Answer

  1. Editorial Team

    Can’t answer without looking at the XML file itself. Make sure all the attributes and names match with the query. Make sure the TicketList has data before you bind it to the ListBox. You need extensive debugging. I think the problem is your Linq query. You need to simplify your LINQ query.

    Update: Your element names are not matching. I think the LINQ is also missing its outer “Tickets” element. It should go each element inside “Tickets”. It says “TicketNum”, but the XML has “TicketNumber”.

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