<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
File: Default.aspx.cs
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.Data.SqlClient;
using System.Xml;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string connStr = "database=Northwind;Data Source=.\\SQLEXPRESS;User id=Tom;pwd=password";
using (SqlConnection conn = new SqlConnection(connStr))
{
SqlCommand command = new SqlCommand("select * from customers", conn);
conn.Open();
DataSet ds = new DataSet();
ds.DataSetName = "Customers";
ds.Load(command.ExecuteReader(), LoadOption.OverwriteChanges, "Customer");
XmlDataDocument doc = new XmlDataDocument(ds);
doc.DataSet.EnforceConstraints = false;
XmlNode node = doc.SelectSingleNode(@"//Customer[CustomerID = 'ANATR']/ContactTitle");
node.InnerText = "Boss";
doc.DataSet.EnforceConstraints = true;
DataRow dr = doc.GetRowFromElement((XmlElement)node.ParentNode);
Response.Write(dr["ContactName"].ToString() + " is the ");
Response.Write(dr["ContactTitle"].ToString());
}
}
}