Question

I write an element in an XML file using XmlWriter

using (XmlWriter writer = XmlWriter.Create("test.x))
{
   writer.WriteStartElement("Order");
   writer.WriteEndElement();
}

which writes the following to the file

<Order>
</Order>

However, I want to write the following

<Order key="Name">
</Order>

WriteStartElement only takes one argument:

public void WriteStartElement(
string localName
)

So I guess I have to use a different function, but I can’t find which one. So ho can I add a key to an element?

Answer 1

You need to add an attribute named key (since that’s what you seem to want to add – an attribute to the Order element):

using (XmlWriter writer = XmlWriter.Create("test.x))
{
   writer.WriteStartElement("Order");
   writer.WriteAttributeString("key", "value");
   writer.WriteEndElement();
}

See WriteAttributeString.