Modify XML data set : XML DataSet « XML « ASP.Net

Home
ASP.Net
1.ADO.net Database
2.Ajax
3.Asp Control
4.Collections
5.Components
6.Data Binding
7.Development
8.File Directory
9.HTML Control
10.Language Basics
11.Login Security
12.Mobile Control
13.Network
14.Page
15.Request
16.Response
17.Server
18.Session Cookie
19.Sitemap
20.Theme Style
21.User Control and Master Page
22.Validation by Control
23.Validation by Function
24.WebPart
25.WPF
26.XML
ASP.Net » XML » XML DataSet 
Modify XML data set

<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OleDb" %>

<script language="VB" runat="server">

  Sub Page_Load(Sender As Object, E As EventArgs)

    Dim objDataSet    As New DataSet()

    ' read in the XML file
    objDataSet.ReadXml(Server.MapPath("NewEmployees.xml"))

    ' show it in a grid    
    dgEmployees1.DataSource = objDataSet.Tables(0).DefaultView
    dgEmployees1.DataBind()

    ' modify a row
    objDataSet.Tables("employee").Rows(0).Item("firstName""Bob"
    objDataSet.Tables("employee").Rows(0).Item("lastName""Dylan"


    ' add a new row to the table
    Dim objTable  As DataTable
    Dim objNewRow As DataRow
  
    objTable = objDataSet.Tables("employee")
    objNewRow = objTable.NewRow()
    objNewRow.Item("firstName""Norman"
    objNewRow.Item("lastName""Blake"
    objTable.Rows.Add(objNewRow)

    ' save it to a new file
    objDataSet.WriteXml(Server.MapPath("Employees2.xml"))
    
    ' read in the new file
    Dim objDataSet2    As New DataSet()
    objDataSet2.ReadXml(Server.MapPath("Employees2.xml"))

    ' show it in another grid
    dgEmployees2.DataSource = objDataSet2.Tables(0).DefaultView
    dgEmployees2.DataBind()


  End Sub

</script>

<html>
 <body>
  <table>
   <tr>
    <td valign="top"><asp:DataGrid id="dgEmployees1" runat="server" /></td>
    <td valign="top"><asp:DataGrid id="dgEmployees2" runat="server" /></td>
   </tr>
  </table>
 </body>
</html>

<%--
<?xml version='1.0'?>
<employees>
  <employee id="1">    
      <firstName>Nancy</firstName>
      <lastName>Lee</lastName> 
    <city>Seattle</city>
    <state>WA</state>
    <zipCode>98122</zipCode>   
  </employee>
  <employee id="2">    
      <firstName>Jason</firstName>
      <lastName>Wang</lastName>
    <city>Vancouver</city>
    <state>WA</state>
    <zipCode>98123</zipCode>   
  </employee> 
</employees>
--%>


           
       
Related examples in the same category
1.Display column information: dataset from xml file
2.Load xml data to DataSet
3.Load XML data into DataSet
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.