Develop Reference

How to get "elements" in node

I trying to get "elements" from node and show in MessageBox
My XML: <Item Name="Test" Count="5"/>
Elements:
Name
Count
My Code:
XmlNodeList xmlNodes = xmlDocument.SelectNodes("Item");
foreach (XmlNode xmlNode in xmlNodes)
{
MessageBox.Show(xmlNode.InnerText);
}
But I do not know how to do this

You need to use Attributes. Check my solution
XmlNodeList xmlNodes = xmlDocument.SelectNodes("Item");
foreach (XmlNode xmlNode in xmlNodes)
{
foreach (XmlAttribute attr in xmlNodes.Attributes)
{
MessageBox.Show($"Attribute Name is {attr.Name} and Value is {attr.Value}");
}
}

Iterate over child nodes in an XML document

I have the following xml file structure:
<configuration>
<Points>
<Point1>
<Url>net.tcp://10.1.1.144</Url>
<Domain>10.1.1.144</Domain>
<Secure>true</Secure>
<UserName>flofy</UserName>
<Password>Jojo</Password>
</Point1>
<Point2>
<Url>net.tcp://10.1.1.22</Url>
<Domain>10.1.1.22</Domain>
<Secure>false</Secure>
<UserName></UserName>
<Password></Password>
</Point2>
</Points>
</configuration>
I want to iterate over all the ponts, I tried:
var doc = new XmlDocument();
doc.Load(#"C:\myXml.xml");
var nodes = doc.DocumentElement.SelectNodes("/configuration/Points");
foreach (XmlNode n in nodes)
{
MessageBox.Show(n.Name);
}
But it prints only Points, but I want it to print Point1, Point2 etc..

You want to do..
foreach (XmlNode n in doc.SelectSingleNode("/configuration/Points").ChildNodes)
{
MessageBox.Show(n.Name);
}
Your xpath query does only select the node "Points", but you want to iterate its child nodes.

how to parsing XML file

I have a file in that format
<?xml version="1.0" encoding="UTF-8"?>
<AMG>
<Include File="..."/> <!-- comment -->
<Include File="...."/> <!-- comment -->
<AMGmers Name="Auto">
<Array Type="move" Name="move_name"/>
</AMGmers>
<AMGmers Name="Black" Parent="Auto">
<Attr Type="Color" Name="auto_Params"/>
</AMGmers>
<!-- comment -->
</AMG>
I have to get all name from <AMGmers>, and I have to check availability Parent.
I was trying to do so
XmlDocument doc1 = new XmlDocument();
doc1.Load("test.xml");
XmlNodeList elemList1 = doc1.GetElementsByTagName("Name");
Please help me understand.

Since <AMG> is the root node and <AMGmers> tags are inside <AMG>, you can get all <AMGmers> tags using this syntax
XmlNodeList elemList1 = doc1.SelectNodes("AMG/AMGmers");
I assume you want to get the value of Name attribute from all <AMGmers> tags and check whether each <AMGmers> tag has Parent attribute, so this code should work
foreach (XmlNode node in elemList1)
{
if (node.Attributes["Name"] != null)
{
string name = node.Attributes["Name"].Value;
// do whatever you want with name
}
if (node.Attributes["Parent"] != null)
{
// logic when Parent attribute is present
// node.Attributes["Parent"].Value is the value of Parent attribute
}
else
{
// logic when Parent attribute isn't present
}
}
EDIT
If you want to get the <Array> nodes inside <AMGmers>, you can do so as below
foreach (XmlNode node in elemList1)
{
XmlNodeList arrayNodes = node.SelectNodes("Array");
foreach (XmlNode arrayNode in arrayNodes)
{
if (arrayNode.Attributes["Type"] != null)
{
// logic when Type attribute is present
// arrayNode.Attributes["Type"].Value is the value of Type attribute
}
}
}
EDIT 2
If you want to enumerate all nodes inside <AMGmers>, you can do so as below
foreach (XmlNode node in elemList1)
{
foreach (XmlNode childNode in node.ChildNodes)
{
// do whatever you want with childNode
}
}

Select a subset of childnodes by name

Given this xml doc
<listOfItem>
<Item id="1">
<attribute1 type="foo"/>
<attribute2 type="bar"/>
<property type="x"/>
<property type="y"/>
<attribute3 type="z"/>
</Item>
<Item>
//... same child nodes
</Item>
//.... other Items
</listOfItems>
Given this xml document, I would like to select, for each "Item" node, just the "property" child nodes. How can I do it in c# directly? With "directly" I mean without selecting all the child nodes of Item and then check one by one. So far:
XmlNodeList nodes = xmldoc.GetElementsByTagName("Item");
foreach(XmlNode node in nodes)
{
doSomething()
foreach(XmlNode child in node.ChildNodes)
{
if(child.Name == "property")
{
doSomethingElse()
}
}
}

You can use SelectNodes(xpath) method instead of ChildNodes property:
foreach(XmlNode child in node.SelectNodes("property"))
{
doSomethingElse()
}
Demo.

Try using LINQ to XML instead of XML DOM as it's much simpler syntax for what you want to do.
XDocument doc = XDocument.Load(filename);
foreach (var itemElement in doc.Element("listOfItems").Elements("Item"))
{
var properties = itemElement.Elements("property").ToList();
}

Populating combobox with XML attribute?

How should I populate combobox with XML attribute. My XML file is:
<dataSources>
<dataSource id="1" name="support" dbtype="Oracle" dataSource="foo" initialCatalog="" userId="bar" password="x" />
</dataSources>
<services>
I need to populate 2 comboboxes with XML attribute names. I have the below code also but right now I am not getting the required output?
XmlDocument doc = new XmlDocument();
doc.Load("abc.xml");
XmlNodeList colorList = doc.SelectNodes("config/dataSources");
foreach (XmlNode dataSources in colorList)
{
comboBox1.Items.Add(dataSources.InnerXml);
}
foreach (XmlNode dataSources in colorList)
{
comboBox2.Items.Add(dataSources.InnerXml);
}

You want value of attribute name:
XmlDocument doc = new XmlDocument();
doc.Load("abc.xml");
XmlNodeList colorList = doc.SelectNodes("config/dataSources/dataSource");
foreach (XmlNode dataSources in colorList)
{
comboBox1.Items.Add(dataSources.Attributes["name"].Value.ToString());
}

Try this:
foreach (XmlNode dataSources in colorList)
{
foreach(XmlAttribute attribute in dataSources.Attributes)
{
comboBox1.Items.Add(attribute.Name); // add the attribute name to cb1
comboBox2.Items.Add(attribute.Value); // add the attribute value to cb2
}
}