Материал из .Net Framework эксперт
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Usage of in-memory, disconnected readers
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs"
Inherits="Default" %>
<!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>Create Data Reader</title>
</head>
<body>
<div id="pageContent">
<form id="form1" runat="server">
<asp:Label runat="server" ID="Label1"></asp:Label>
</form>
</div>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Text;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
DataSet data = new DataSet();
SqlDataAdapter adapter = new SqlDataAdapter(
"SELECT * FROM employees;SELECT * FROM customers",
ConfigurationManager.ConnectionStrings["NorthwindConnectionString"].ConnectionString);
adapter.Fill(data);
DataTableReader reader = data.CreateDataReader();
StringBuilder builder = new StringBuilder();
do
{
while (reader.Read())
builder.AppendFormat("{0} <br>", reader[1]);
builder.Append("<hr>");
} while (reader.NextResult());
reader.Close();
Label1.Text = builder.ToString();
}
}
