CRUD Operation in ASP.NET Web Applications With XML

CRUD Operation in ASP.NET Web Applications With XML
Article:	Viewed: 2842 Posted On: 16/12/2012 04:16:50 This article will show, step-by-step, how to performe CRUD (Create, Read, Update, Delete) Operations using XMLin ASP.NET.

CRUDOperationWithXMLInASP.NET.zip

In this article I am going to show CRUD (Create, Read Update Delete) operation in XML with the help of ASP.NET ListView control. For this I have a XML which have employee database with attribute Name, Mobile, City, Country.

Below is my XML...

<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<Employees>
<Employee>
<Name>Priyanka</Name>
<Mobile>1234</Mobile>
<City>Gurgaon</City>
<Country>India</Country>
</Employee>
<Employee>
<Name>Ram</Name>
<Mobile>2367</Mobile>
<City>Noida</City>
<Country>India</Country>
</Employee>
<Employee>
<Name>Sachin</Name>
<Mobile>9876</Mobile>
<City>Delhi</City>
<Country>India</Country>
</Employee>
<Employee>
<Name>James</Name>
<Mobile>3458</Mobile>
<City>Canada</City>
<Country>Canada</Country>
</Employee>
<Employee>
<Name>Priya</Name>
<Mobile>4419</Mobile>
<City>Banglore</City>
<Country>India</Country>
</Employee>
</Employees>

This is my aspx code:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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>CRUD Operation With XML in ASP.NET</title>
</head>
<body>
  <form id="form1" runat="server">
  <div>
  <table cellpadding="2" cellspacing="2" border="1" width="70%" align="center">
  <tr>
<td>
  <asp:ListView ID="EmployeeListView" runat="server" InsertItemPosition="LastItem"
  OnItemInserting="EmployeeListView_ItemInserting" OnItemDeleting="EmployeeListView_ItemDeleting"
  OnItemEditing="EmployeeListView_ItemEditing" OnItemCanceling="EmployeeListView_ItemCanceling">
  <LayoutTemplate>
  <table id="Table1" runat="server" width="100%">
  <tr id="Tr1" runat="server">
  <td id="Td1" runat="server">
  <table id="itemPlaceholderContainer" runat="server" border="0" style="" width="100%">
  <tr id="Tr2" runat="server" style="background-color: GrayText;">
  <th id="Th2" runat="server" align="center" style="color: White;">
  Name
  </th>
  <th id="Th3" runat="server" align="center" style="color: White;">
  Mobile
                    </th>
  <th id="Th4" runat="server" align="center" style="color: White;">
  City
  </th>
  <th id="Th5" runat="server" align="center" style="color: White;">
  Country
  </th>
                      <th id="Th1" runat="server" align="center" style="color: White;">
  </th>
  </tr>
  <tr id="itemPlaceholder" runat="server" style="color: White;">
  </tr>
  </table>
  </td>
  </tr>
              <tr id="Tr3" runat="server">
  <td id="Td2" runat="server" style="">
  </td>
  </tr>
  </table>
  </LayoutTemplate>
  <ItemTemplate>
  <tr style="background-color: #95B9C7;">
  <td align="center">
  <asp:Label ID="lblName" runat="server" Text='<%# Bind("Name") %>' />
  </td>
  <td align="center">
  <asp:Label ID="lblMobile" runat="server" Text='<%# Bind("Mobile") %>' />
  </td>
  <td align="center">
  <asp:Label ID="lblCity" runat="server" Text='<%# Bind("City") %>' />
  </td>
  <td align="center">
  <asp:Label ID="lblCountry" runat="server" Text='<%# Bind("Country") %>' />
  </td>
  <td align="center">
  <asp:ImageButton ID="DeleteButton" runat="server" CommandName="Delete" ImageUrl="~/download.jpg"
  Width="75px" />
  <asp:ImageButton ID="EditButton" runat="server" CommandName="Edit" ImageUrl="~/Edit1.jpg"
  Height="70px" />
  </td>
  </tr>
  </ItemTemplate>
  <AlternatingItemTemplate>
        <tr style="background-color: Yellow;">
  <td align="center">
  <asp:Label ID="lblName" runat="server" Text='<%# Bind("Name") %>' />
  </td>
  <td align="center">
  <asp:Label ID="lblMobile" runat="server" Text='<%# Bind("Mobile") %>' />
  </td>
  <td align="center">
  <asp:Label ID="lblCity" runat="server" Text='<%# Bind("City") %>' />
  </td>
  <td align="center">
  <asp:Label ID="lblCountry" runat="server" Text='<%# Bind("Country") %>' />
  </td>
  <td align="center">
  <asp:ImageButton ID="DeleteButton" runat="server" CommandName="Delete" ImageUrl="~/download.jpg"
  Width="75px" />
  <asp:ImageButton ID="EditButton" runat="server" CommandName="Edit" ImageUrl="~/Edit1.jpg"
  Height="70px" />
  </td>
  </tr>
  </AlternatingItemTemplate>
  <InsertItemTemplate>
  <tr style="">
  <td>
  <asp:ImageButton ID="InsertButton" runat="server" CommandName="Insert" ImageUrl="~/Add1.jpg"
  Height="45px" />
  </td>
  <td>
  <asp:TextBox ID="txtName" runat="server" Text='<%# Bind("Name") %>' />
  </td>
  <td>
  <asp:TextBox ID="txtMobile" runat="server" Text='<%# Bind("Mobile") %>' />
  </td>
  <td>
  <asp:TextBox ID="txtCity" runat="server" Text='<%# Bind("City") %>' />
  </td>
  <td>
  <asp:TextBox ID="txtCountry" runat="server" Text='<%# Bind("Country") %>' />
  </td>
  <td>
  <asp:ImageButton ID="btnUpdate" runat="server" ImageUrl="~/Update1.jpg" OnClick="btnUpdate_Click"
  Height="40px" /><asp:ImageButton ID="CancelButton" runat="server" CommandName="Cancel"
  ImageUrl="~/Clear1.jpg" Height="45px" />
  </td>
  </tr>
  </InsertItemTemplate>
  </asp:ListView>
  </td>
  </tr>
  </table>
  </div>
  </form>
</body>
</html>

This is my aspx.cs code:

using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data;
using System.Xml;

public partial class _Default : System.Web.UI.Page
{
  string xmlfile = string.Empty;

  protected void Page_Load(object sender, EventArgs e)
{
  if (!Page.IsPostBack)
{
xmlfile = Server.MapPath("Employee.xml");
LoadData();
}
}
  protected void LoadData()
{
  DataSet ds = new DataSet();
  DataTable table = new DataTable();

ds.ReadXml(xmlfile);
EmployeeListView.DataSource = ds;

EmployeeListView.DataBind();
}

    protected void EmployeeListView_ItemInserting(object sender, ListViewInsertEventArgs e)
{
  TextBox txtNameTextBox = (TextBox)EmployeeListView.InsertItem.FindControl("txtName");
  TextBox txtMobileTextBox = (TextBox)EmployeeListView.InsertItem.FindControl("txtMobile");
  TextBox txtCityTextBox = (TextBox)EmployeeListView.InsertItem.FindControl("txtCity");
  TextBox txtCountryTextBox = (TextBox)EmployeeListView.InsertItem.FindControl("txtCountry");

  XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(xmlfile);
  XmlElement xelement = xmlDoc.CreateElement("Employee");

  XmlElement xName = xmlDoc.CreateElement("Name");
xName.InnerText = txtNameTextBox.Text;
xelement.AppendChild(xName);

  XmlElement xYear = xmlDoc.CreateElement("Mobile");
xYear.InnerText = txtMobileTextBox.Text;
xelement.AppendChild(xYear);
  XmlElement xGenre = xmlDoc.CreateElement("City");
xGenre.InnerText = txtCityTextBox.Text;
xelement.AppendChild(xGenre);

  XmlElement xCast = xmlDoc.CreateElement("Country");
xCast.InnerText = txtCountryTextBox.Text;
xelement.AppendChild(xCast);

xmlDoc.DocumentElement.AppendChild(xelement);
xmlDoc.Save(xmlfile);
LoadData();
}

  static Int16 i = 0;

    protected void EmployeeListView_ItemEditing(object sender, ListViewEditEventArgs e)
{

EmployeeListView.EditIndex = e.NewEditIndex;
i = Convert.ToInt16(EmployeeListView.EditIndex);

  Label lblName = (Label)EmployeeListView.EditItem.FindControl("lblName");
  Label lblMobile = (Label)EmployeeListView.EditItem.FindControl("lblMobile");
  Label lblCity = (Label)EmployeeListView.EditItem.FindControl("lblCity");
  Label lblCountry = (Label)EmployeeListView.EditItem.FindControl("lblCountry");

  TextBox txtnameTextBox = (TextBox)EmployeeListView.InsertItem.FindControl("txtName");
  TextBox txtMobileTextBox = (TextBox)EmployeeListView.InsertItem.FindControl("txtMobile");
  TextBox txtCityTextBox = (TextBox)EmployeeListView.InsertItem.FindControl("txtCity");
  TextBox txtCountryTextBox = (TextBox)EmployeeListView.InsertItem.FindControl("txtCountry");
txtnameTextBox.Text = lblName.Text;
txtMobileTextBox.Text = lblMobile.Text;
txtCityTextBox.Text = lblCity.Text;
txtCountryTextBox.Text = lblCountry.Text;
}

  protected void EmployeeListView_ItemDeleting(object sender, ListViewDeleteEventArgs e)
{
  Label lblName = (EmployeeListView.Items[e.ItemIndex].FindControl("lblName")) as Label;
  Label lblMobile = (EmployeeListView.Items[e.ItemIndex].FindControl("lblMobile")) as Label;
  Label lblCity = (EmployeeListView.Items[e.ItemIndex].FindControl("lblCity")) as Label;
  Label lblCountry = (EmployeeListView.Items[e.ItemIndex].FindControl("lblCountry")) as Label;

  XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(xmlfile);
  XmlNodeList newXMLNodes = xmlDoc.SelectNodes("/Employees/Employee");

  string value = lblName.Text;

  foreach (XmlNode newXMLNode in newXMLNodes)
{
  if (newXMLNode.InnerText == value)
{
newXMLNode.ParentNode.RemoveChild(newXMLNode);
}
}
xmlDoc.Save(xmlfile);
xmlDoc = null;
LoadData();
}

  protected void EmployeeListView_ItemCanceling(object sender, ListViewCancelEventArgs e)
{
  TextBox txtNameTextBox = (TextBox)EmployeeListView.InsertItem.FindControl("txtName");
  TextBox txtMobileTextBox = (TextBox)EmployeeListView.InsertItem.FindControl("txtMobile");
  TextBox txtCityTextBox = (TextBox)EmployeeListView.InsertItem.FindControl("txtCity");
  TextBox txtCountryTextBox = (TextBox)EmployeeListView.InsertItem.FindControl("txtCountry");
txtNameTextBox.Text = string.Empty;
txtMobileTextBox.Text = string.Empty;
txtCityTextBox.Text = string.Empty;
txtCountryTextBox.Text = string.Empty;
}
  protected void btnUpdate_Click(object sender, EventArgs e)
{

  TextBox txtNameTextBox = (TextBox)EmployeeListView.InsertItem.FindControl("txtName");
  TextBox txtMobileTextBox = (TextBox)EmployeeListView.InsertItem.FindControl("txtMobile");
  TextBox txtCityTextBox = (TextBox)EmployeeListView.InsertItem.FindControl("txtCity");
  TextBox txtCountryTextBox = (TextBox)EmployeeListView.InsertItem.FindControl("txtCountry");

  XmlDocument xmldoc = new XmlDocument();
xmldoc.Load(xmlfile);

  XmlNode xmlnode = xmldoc.DocumentElement.ChildNodes.Item(i);
xmlnode["Name"].InnerText = txtNameTextBox.Text;
xmlnode["Mobile"].InnerText = txtMobileTextBox.Text;
xmlnode["City"].InnerText = txtCityTextBox.Text;
xmlnode["Country"].InnerText = txtCountryTextBox.Text;
xmldoc.Save(xmlfile);
LoadData();
}
}

When you run the application then the output will be...

Image 1.

From all avaliable option you can edit a selected record, you can delete a record, can add a new record...

Comment:

By Rajnikant On 13/09/2015 02:37:05

This zip folder don't have ASP.NET code. please check and upload correct

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