Write XML File - Help Needed

I have seen a few examples but nothing that helps. Here is what i am trying to do.

I want to turn this:

Code:

---

<?xml version="1.0" ?>
<root>
    <block>
      <item>Item 1</item>
    </block>
</root>

---

Into this:

Code:

---

<?xml version="1.0" ?>
<root>
    <block>
      <item>Item 1</item>
      <item>Item 2</item>
    </block>
</root>

---

and keep adding item. All the examples i have seen only write one and thats it, i need to keep adding or appending new data through to this. In my application i have a textbox and a button, i want to type something into the textbox click the button and add that to the existing xml file already there. Any help of better tutorials/samples would be much appreciated. Thanks

The easiest way I think would be to use DataSet and just append the new row each time you click on the Add button. Then you can use WriteXML method to write to a file.

Code:

---

YourDataSetObject.WriteXml("C:\YourFile.xml")

---

Add this code to your click event.

// write new record to shares.xml configuration file
XmlDocument doc = new XmlDataDocument();
doc.Load(Application.StartupPath + "\\myxml.xml");
// create new node
XmlElement root = doc.DocumentElement;
XmlNode nNode = doc.CreateNode (XmlNodeType.Element,"mynode","");
root.AppendChild(nNode);
// create new attributes
nNode.Attributes.Append (doc.CreateAttribute("Source")).Value = txtSource.Text;
nNode.Attributes.Append (doc.CreateAttribute("Destination")).Value = txtDestination.Text;
nNode.Attributes.Append (doc.CreateAttribute("File")).Value = txtFile.Text;
doc.Save(Application.StartupPath + "\\myxml.xml");

MessageBox.Show (txtSource.Text + " has been added to the myxml.xml file!","",MessageBoxButtons.OK,MessageBoxIcon.Information);

It's interesting how MS violated the W3C DOM interface definitions just to keep their naming convention...

All you need is an object reference to the block node and append in additional child nodes. If you need an example, don't hesitate to ask..