Saving Multiple Button Locations in XML file C#

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My problem is saving Multiple Button Locations in XML file.

C#

XmlDocument doc = new XmlDocument();
            doc.LoadXml("<button></button>");

            XmlElement newElem = doc.CreateElement("x");
            newElem.InnerText = btn_EditButton.Location.X.ToString();
            doc.DocumentElement.AppendChild(newElem);

            XmlElement newElemx = doc.CreateElement("y");
            newElemx.InnerText = btn_EditButton.Location.Y.ToString();
            doc.DocumentElement.AppendChild(newElemx);

            XmlWriterSettings settings = new XmlWriterSettings();
            settings.Indent = true;

            XmlWriter writer = XmlWriter.Create("positon.xml", settings);
            doc.Save(writer);

So I want to save the location of all buttons in different child elements with the button name.

My current XML output:

XML

<?xml version="1.0" encoding="utf-8"?>
<button2>
  <x>236</x>
  <y>220</y>
</button2>

Posted 18-May-15 23:45pm

PetarS089

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Sinisa Hajnal 19-May-15 6:26am

To clarify: you have buttons, say btn1, btn2...btn5. You want XML with their positions saved. You have a code that seems to save single node.

So what is the problem? Why can't you do the same for the rest of the buttons?

PetarS089 19-May-15 6:28am

When i do same to other buttons my output is

<button2>
<x>236
<y>220
<x>50
<y>45
</button2>

Sinisa Hajnal 19-May-15 7:46am

That is because you're adding newElem to the original node. Do you know that you call your y-node newElemX :)? You have to repeat whole of the code (create button node, then two sub-nodes that you add to the button node), not just x and y parts.

Add one root node < buttons > and add button node under it. I would also advise you to create button node like this: <button name="btn1" x="valueX" y="valueY" />

but this may be just my preference.

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Sinisa Hajnal · Accepted Answer · 2015-05-19T01:52:00

C#

XmlDocument doc = new XmlDocument();
            doc.LoadXml(<buttons></buttons>");
 
XmlNode btn = doc.CreateElement("button");
XmlAttribute btnName = doc.CreateAttribute("name")
btnName = btn_EditButton.Name;
btn.Attributes.Add(btnName)

            XmlElement newElem = doc.CreateElement("x");
            newElem.InnerText = btn_EditButton.Location.X.ToString();
            btn.AppendChild(newElem);
 
            XmlElement newElemx = doc.CreateElement("y");
            newElemx.InnerText = btn_EditButton.Location.Y.ToString();
            btn.AppendChild(newElemx);

doc.DocumentElement.AppendChild(btn); 

            XmlWriterSettings settings = new XmlWriterSettings();
            settings.Indent = true;
 
            XmlWriter writer = XmlWriter.Create("positon.xml", settings);
            doc.Save(writer);

You should get something like this:

XML

<buttons>
    <button name="btn_EditButton">
        <x>158</x>
        <y>252</y>
    </button>
</buttons>

Note that naming your button btn_EditButton is redundant, either call it btnEdit, or EditButton, don't do both.

Also, for multiple buttons, you should create a method:

C#

private XmlElement CreateButtonNode(Button btn) {
//in which you would create the button node and return it.
}

In the main part of the program you would have main document and you would simply add created nodes (one call for each button).