Read Write XML File Using C#, VB.NET In Asp.Net
In this post i am going to tell how you can read and write XML data from XML file in asp.net using C# .
For Creating this example i have created one aspx page which contains three textbox to enter Customer name, age and location.
And there are two button control one is to write data to xml file and another button to read data from xml file .after reading data it will showed in a label control.
CS Page Code
In this post i am going to tell how you can read and write XML data from XML file in asp.net using C# .
For Creating this example i have created one aspx page which contains three textbox to enter Customer name, age and location.
And there are two button control one is to write data to xml file and another button to read data from xml file .after reading data it will showed in a label control.
Aspx page code is here
<%@ Page Language="C#"
AutoEventWireup="true"
CodeFile="ReadWriteXmlData.aspx.cs"
Inherits="ReadWriteXmlData"
%>
<!DOCTYPE html PUBLIC
"-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
>
<head runat="server">
<title>Untitled
Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<table border="1 px solid Red" >
<tr><td colspan="2">Customer Details</td></tr>
<tr><td >Name:<asp:TextBox ID="txtname"
runat="server"
Width="200px"></asp:TextBox></td></tr>
<tr><td >Age:<asp:TextBox ID="txtage" runat="server"
Width="200px"></asp:TextBox></td></tr>
<tr><td >Location:<asp:TextBox ID="txtlocation"
runat="server"
Width="200px"></asp:TextBox></td></tr>
<tr><td ><asp:Button ID="btnwrite" runat="server" OnClick="btnwrite_click" Text="Write To Xml" /><asp:Button Text="Read From Xml" ID="btnread" OnClick="btnread_click" runat="server" /></td></tr>
<tr><td><asp:label id="lblXmlData" runat="server"/></td></tr>
</table>
</div>
</form>
</body>
</html>
CS Page Code
using System;
using
System.Data;
using
System.Configuration;
using
System.Collections;
using
System.Web;
using
System.Web.Security;
using
System.Web.UI;
using
System.Web.UI.WebControls;
using
System.Web.UI.WebControls.WebParts;
using
System.Web.UI.HtmlControls;
using
System.Xml;
using
System.Text;
public partial class ReadWriteXmlData : System.Web.UI.Page
{
protected void Page_Load(object
sender, EventArgs e)
{
}
protected void btnwrite_click(object
o, EventArgs e)
{
XmlTextWriter
MyWriter = new XmlTextWriter(Server.MapPath("Details.xml"), Encoding.UTF8);
MyWriter.WriteStartDocument();
//Create root
element Node
MyWriter.WriteStartElement("CustDetails");
//Create
Child elements
MyWriter.WriteStartElement("Details");
MyWriter.WriteElementString("Name", txtname.Text);
MyWriter.WriteElementString("Age", txtage.Text);
MyWriter.WriteElementString("Location", txtlocation.Text);
MyWriter.WriteEndElement();
//now end top
element
MyWriter.WriteEndElement();
MyWriter.WriteEndDocument();
MyWriter.Close();
}
protected void btnread_click(object
o, EventArgs e)
{
string
rootElementName = "";
string
childElementName = "";
string
childElementValue = "";
bool
element = false;
lblXmlData.Text = "";
XmlTextReader
MyxmlReader = new XmlTextReader(Server.MapPath("Details.xml"));
while
(MyxmlReader.Read())
{
if
(MyxmlReader.NodeType == XmlNodeType.Element)
{
if
(element)
{
rootElementName =
rootElementName + "<br/>" +
childElementName + "<br/>";
}
element = true;
childElementName =
MyxmlReader.Name;
}
else
if (MyxmlReader.NodeType == XmlNodeType.Text | MyxmlReader.NodeType == XmlNodeType.CDATA)
{
element = false;
childElementValue =
MyxmlReader.Value;
lblXmlData.Text =
lblXmlData.Text + "<b>" +
rootElementName + "<br/>" +
childElementName + "<br/></b>"
+ childElementValue;
rootElementName = "";
childElementName = "";
}
}
MyxmlReader.Close();
}
}
