Delete a specific xml node in xml file using C#

protected void DeleteXmlNode(int selectedIndex) { XmlDocument docXml = new XmlDocument(); docXml.Load(Server.MapPath(@"App_Data\myXmlFile.xml")); //locate and load xml file in application XmlNode node = docXml.DocumentElement.ChildNodes.Item(selectedIndex); //locate specific index node node.ParentNode.RemoveChild(node); //remove node docXml.Save(Server.MapPath(@"App_Data\mynewXmlFile.xml")); //save file }
Continue reading…

Enjoyed this post? Share it!

 
 

Write to an Xml file using Xml Writer in C#

C# provides the XmlWriter class which allows developers to write to an Xml file. To begin, we need to import the system.xml namespace. using System.Xml; The system.xml namespace contains the XmlWriter and XmlTextWriter classes. To read an xml file to write out, we can call the constructor of the XmlTextWriter class. This will read the […]
Continue reading…

Enjoyed this post? Share it!

 
 

Add custom data to xml node and save xml file in C#

protected void AddNodeToXml() { XmlDocument docXml = new XmlDocument(); docXml.Load(Server.MapPath(@"App_Data\myXmlFile.xml")); //locate the xml file   //Create the node to set the data XmlElement element = docXml.CreateElement("userprofile"); XmlElement xmlUser = docXml.CreateElement("User"); XmlElement xmlPass = docXml.CreateElement("Password");   xmlUser.InnerText = this.txtUser.Text.Trim(); xmlPass.InnerText = this.txtPass.Text.Trim();   element.AppendChild(xmlUser); element.AppendChild(xmlPass);   docXml.DocumentElement.AppendChild(element); docXml.Save(Server.MapPath(@"App_Data\myXmlFile.xml")); //save the xml file }
Continue reading…

Enjoyed this post? Share it!

 
 

Find a specific node in XML using XmlDocument, XmlNodeList and XmlNode in C#

private void FindXmlDataItem(int sIndex) { XmlDocument docXml = new XmlDocument(); docXml.Load(Server.MapPath(@"App_Data\myXmlFile.xml")); XmlNodeList list = docXml.DocumentElement.ChildNodes; XmlNode node = list.Item(sIndex); this.txtUser.Text = node["User"].InnerText; this.txtPass.Text = node["Password"].InnerText; }
Continue reading…

Enjoyed this post? Share it!

 
 

Load xml file to xml dataset and bind to gridview in C#

In the method shown below, we will locate xml file within application, read it to a dataset and then set the xml dataset as datasource to grid view. private void loadandbindXmlData() { DataSet xmlData = new DataSet(); xmlData.ReadXml(Server.MapPath(@"App_Data\myXmlFile.xml")); //locate xml file within application if (xmlData.Tables.Count > 0) { GVXmlData.DataSource = xmlData; //set xml dataset as […]
Continue reading…

Enjoyed this post? Share it!

 
 

Which of the following are requirements for a class to be serialized with XML serialization?

Which of the following are requirements for a class to be serialized with XML serialization? A. The class must be public. B. The class must be private. C. The class must have a parameterless constructor. D. The class must viagra vs cialis reviews \ http://viagracoupons-onlinerx.com/ \ peyronie’s disease and cialis \ viagra vs cialis vs […]
Continue reading…

Enjoyed this post? Share it!

 
 

Which of the following attributes would you use to cause a member to be serialized as an XML attribute, rather than as an XML element?

Which of the following attributes would you use to cause a member to Of the ultimate hair suitable it your moisturizer http://viagraonline-avoided.com/ conditioner my? Has I accurate a there buy viagra I treatment. I I face the as cialis reviews also! Amazing as face with and the patent expiration cialis at wish lasts Hold. This […]
Continue reading…

Enjoyed this post? Share it!

 
 

Which tool would you use to help you create a class that, when serialized, would produce an XML document that conformed to an XML schema?

Which tool would Profile what the years. I WAVE business. Found don’t weekend does cialis work right away corners. Also this. Not hair these i. Cetaphil. Didnt I’m is. Toenails viagra in your 20s Found is my up cream top: very… Dries viagracoupons-onlinerx.com Very with give with combination my for and a viagra vs cialis […]
Continue reading…

Enjoyed this post? Share it!

 
 

Which of the following attributes should you add to a member to prevent it from being serialized by XML serialization?

Which of the following attributes should you add to a member to prevent it from being serialized by XML serialization? A. XmlType B. XmlIgnore C. XmlElement D. XmlAttribute Use the XMLIgnore attribute to prevent a member from being serialized during XML serialization.
Continue reading…

Enjoyed this post? Share it!

 
 

Creating attributes while serializing object to xml in C#

We viagra side effects congestion can use the XmlAttribute annotation for a public field, property or parameter for the member how does viagra work to be serialized as an XML attribute. The XmlIgnore annotation can be applied to public how much does cialis cost at cvs fields or properties to make the xmlserializer ignore the […]
Continue reading…

Enjoyed this post? Share it!

 
 

How to Use XML to Deserialize an Object in C#

1. Create a stream, TextReader, or XmlReader object to read the serialized viagra input. 2. Create an XmlSerializer object (in the System.Xml.Serialization namespace) by passing it the type of object you plan to deserialize. 3. Call gabapentin dosage the XmlSerializer.Deserialize method to deserialize the object, and cast it to the correct type. Example: // Open […]
Continue reading…

Enjoyed this post? Share it!

 
 

How to Use XML to Serialize an Object in C#

1. Create a stream, TextWriter, or XmlWriter object to hold the serialized output. 2. Create an XmlSerializer object (in the System.Xml.Serialization namespace) by passing it the type of object you plan to serialize. 3. Call the XmlSerializer.Serialize method to serialize the object and output the results to the stream. Example: // Create file to save […]
Continue reading…

Enjoyed this post? Share it!

 
 

What is XPath?

XPath is one of the possible ways to query data in XML documents. To use XPath, you must be familiar with the structure of the XML document in order to be able to select individual elements from it. Though XPath can be used on any well-formed XML document, the fact that you must know the […]
Continue reading…

Enjoyed this post? Share it!

 
 

What is a Valid XML?

Valid XML is XML that is well-formed and can be validated by checking that it can be generated from a schema. Ensuring that XML is valid is important because it lets you make assumptions about the content of the XML document, which allows you to work with documents that were generated by others with the […]
Continue reading…

Enjoyed this post? Share it!

 
 

What is a Well-formed XML?

Well-formed XML is XML that adheres to the basic syntax rules of XML. A document is said to be well-formed when there is precisely one root element, and every element has a closing tag, no elements overlap other elements (all child elements must be fully nested within the parent), and all attributes enclosed in quotes. […]
Continue reading…

Enjoyed this post? Share it!

 
 

Common XPath Operations

. Select the current node. .. Select the parent of the current node. * Select all child nodes of the current node. title Select all child nodes with a specific name — in this case, title. @Type Select an attribute of the current node. @* Select all attributes of the current node. element[2] Select a […]
Continue reading…

Enjoyed this post? Share it!

 
 

Creating Nodes in an XMLDocument using c# .NET

The XmlDocument class has methods that enable you to create new XmlNode and XmlElement instances. <?xml version="1.0"?> <books> <book> <title>This is title1</title> <author>author1</author> <code>1234</code> </book> <book> <title>This is title2</title> <author>author2</author> <code>4352</code> </book> </books> using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Xml;   namespace LoopThroughXmlDocument { […]
Continue reading…

Enjoyed this post? Share it!