ASP.Net/XML/XML GridView — различия между версиями

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Текущая версия на 11:51, 26 мая 2010

asp:GridView column alignment

<%@ Page Language="C#" %>
<%@ Import Namespace="System.Configuration"%>
<%@ Import Namespace="System.Data"%>
<script runat="server">
    void Page_Load(Object sender, EventArgs e)
    {
        DataSet authorsDataSet;
        string filePath = Server.MapPath("Authors.xml");
        authorsDataSet = new DataSet();
        //Read the contents of the XML file into the DataSet
        authorsDataSet.ReadXml(filePath);                    
        authorsGird.DataSource = authorsDataSet.Tables[0].DefaultView;
        authorsGird.DataBind();
    }
    
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Reading XML Data into a DataSet object </title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:GridView id="authorsGird" runat="server" 
            AutoGenerateColumns="False" CellPadding="4" HeaderStyle-BackColor="blue" HeaderStyle-ForeColor="White" 
            HeaderStyle-HorizontalAlign="Center" HeaderStyle-Font-Bold="True">
            <Columns>
                <asp:BoundField HeaderText="Last Name" DataField="lastName" />
                <asp:BoundField HeaderText="First Name" 
                    DataField="firstName" ItemStyle-HorizontalAlign="Right" />
            </Columns>           
        </asp:GridView>
    </div>
    </form>
</body>
</html>



Displaying XML Data in a GridView and a ListBox?

<%@ Page Language="C#" %>
<%@ Import Namespace="System.Xml" %>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>Displaying XML Data in a GridView and a ListBox</title>
</head>
<body>    
    <form id="form1" runat="server">
    <div>
        <asp:ListBox ID="lstTitles" Runat="server" DataSourceID="bookSource" DataValueField="ISBN"
            DataTextField="Title"/>            
    </div>
    <div>
        <asp:GridView ID="bookView" Runat="server" DataSourceID="bookSource" AutoGenerateColumns="False">
            <Columns>
                <asp:BoundField HeaderText="ISBN" DataField="ISBN" SortExpression="ISBN"></asp:BoundField>
                <asp:BoundField HeaderText="Title" DataField="Title" SortExpression="Title"></asp:BoundField>
                <asp:BoundField HeaderText="Price" DataField="Price" SortExpression="Price"></asp:BoundField>
            </Columns>
        </asp:GridView>    
    </div>
    <div>
        <asp:XmlDataSource ID="bookSource" Runat="server" DataFile="~/Data.xml"
            XPath="Data/genre[@name ="Fiction"]/book">
        </asp:XmlDataSource>&nbsp;</div>
    </form>
</body>
</html>
File: ~/Data.xml
<Data>
  <genre name="Fiction">
    <book ISBN="1" Title="title 1" Price="19.99" Discount="1.999">
      <chapter num="1" name="Introduction">
        Abstract...
      </chapter>
      <chapter num="2" name="Body">
        Abstract...
      </chapter>
      <chapter num="3" name="Conclusion">
        Abstract...
      </chapter>
    </book>
  </genre>
  <genre name="NonFiction">
    <book ISBN="2" Title="title 2" Price="27.95" Discount="2.795">
      <chapter num="1" name="Introduction">
        Abstract...
      </chapter>
      <chapter num="2" name="Body">
        Abstract...
      </chapter>
      <chapter num="3" name="Conclusion">
        Abstract...
      </chapter>
    </book>
  </genre>
</Data>



Load XML data to GridView

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Grades" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Grades</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Button ID="btnViewGrades" runat="server" OnClick="btnViewGrades_Click" Text="View Grades" /><br />
        <asp:GridView ID="GridView1" runat="server"/>
        <asp:Label ID="lblResult" runat="server"></asp:Label>
    
    </div>
    </form>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Security.Principal;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class Grades : System.Web.UI.Page
{
    protected void btnViewGrades_Click(object sender, EventArgs e)
    {
        Response.Write(WindowsIdentity.GetCurrent().Name + "<br>");
        WindowsImpersonationContext ctx = ((WindowsIdentity)User.Identity).Impersonate();
        Response.Write(WindowsIdentity.GetCurrent().Name + "<br>");
        try
        {
            DataSet ds = new DataSet();
            ds.ReadXml(Server.MapPath("Data.xml"));
            GridView1.DataSource = ds.Tables[0];
            GridView1.DataBind();
        }
        catch (UnauthorizedAccessException)
        {
            lblResult.Text = "Not Authorized!";
        }
        ctx.Undo();
        Response.Write(WindowsIdentity.GetCurrent().Name + "<br>");
    }
}
File: Data.xml
<?xml version="1.0" encoding="utf-8" ?>
<students>
  <student>
    <name>John Smith</name>
    <grade>B</grade>
  </student>
  <student>
    <name>Jane Doe</name>
    <grade>A</grade>
  </student>
</students>
Источник — «http://nfex.ru/index.php?title=ASP.Net/XML/XML_GridView&oldid=1855»