Selecting single Node with SelectSingleNode as XmlElement : XmlElement « XML « C# / CSharp Tutorial

Home
C# / CSharp Tutorial
1.Language Basics
2.Data Type
3.Operator
4.Statement
5.String
6.struct
7.Class
8.Operator Overload
9.delegate
10.Attribute
11.Data Structure
12.Assembly
13.Date Time
14.Development
15.File Directory Stream
16.Preprocessing Directives
17.Regular Expression
18.Generic
19.Reflection
20.Thread
21.I18N Internationalization
22.LINQ
23.GUI Windows Forms
24.Windows Presentation Foundation
25.Windows Communication Foundation
26.Workflow
27.2D
28.Design Patterns
29.Windows
30.XML
31.XML LINQ
32.ADO.Net
33.Network
34.Directory Services
35.Security
36.unsafe
C# / C Sharp
C# / C Sharp by API
C# / CSharp Open Source
C# / CSharp Tutorial » XML » XmlElement 
30.14.3.Selecting single Node with SelectSingleNode as XmlElement
using System;
using System.Collections.Generic;
using System.IO;
using System.Xml;

public class Customer
{
    public string FirstName get; set; }
    public string LastName get; set; }
    public string EmailAddress get; set; }
    public override string ToString()
    {
        return string.Format("{0} {1}\nEmail:   {2}", FirstName, LastName, EmailAddress);
    }
}
public class Tester
{
    static void Main()
    {
        List<Customer> customers = new List<Customer>{
                new Customer FirstName = "A"
                               LastName = "G",
                               EmailAddress = "o@a.com"},
                new Customer FirstName = "B"
                               LastName = "C",
                               EmailAddress = "k@a.com" },
                new Customer FirstName = "D"
                               LastName = "C",
                               EmailAddress = "d@a.com" },
                new Customer FirstName = "E"
                               LastName = "G",
                               EmailAddress = "j@a.com" },
                new Customer FirstName = "L"
                               LastName = "H",
                               EmailAddress = "l@a.com" }
            };

        XmlDocument customerXml = new XmlDocument();
        XmlElement rootElem = customerXml.CreateElement("Customers");
        customerXml.AppendChild(rootElem);
        foreach (Customer customer in customers)
        {
            XmlElement customerElem = customerXml.CreateElement("Customer");
            XmlAttribute firstNameAttr = customerXml.CreateAttribute("FirstName");
            firstNameAttr.Value = customer.FirstName;
            customerElem.Attributes.Append(firstNameAttr);

            XmlAttribute lastNameAttr = customerXml.CreateAttribute("LastName");
            lastNameAttr.Value = customer.LastName;
            customerElem.Attributes.Append(lastNameAttr);

            XmlElement emailAddress = customerXml.CreateElement("EmailAddress");
            emailAddress.InnerText = customer.EmailAddress;
            customerElem.AppendChild(emailAddress);

            rootElem.AppendChild(customerElem);
        }


        string xPath = "/Customers/Customer[@FirstName='D']";
        XmlElement customerElem1 = customerXml.SelectSingleNode(xPathas XmlElement;
        if (customerElem1 != null)
        {
            Console.WriteLine(customerElem1.OuterXml);
            Console.WriteLine("customerElem.HasAttributes = {0}", customerElem1.HasAttributes);
        }
        else
            Console.WriteLine("Not found");

    }

}
30.14.XmlElement
30.14.1.Get node children count
30.14.2.Output child node inner text
30.14.3.Selecting single Node with SelectSingleNode as XmlElement
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.