Mega Code Archive
DataReader Multiple result set
<![CDATA[
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="DataReaderMultiple" %>
<!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>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Literal runat="server" ID="HtmlContent" />
</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.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Text;
using System.Data.SqlClient;
public partial class DataReaderMultiple : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string connectionString = "Data Source=localhost;Initial Catalog=Northwind;Integrated Security=SSPI";
SqlConnection con = new SqlConnection(connectionString);
string sql = @"SELECT TOP 5 EmployeeID, FirstName, LastName FROM Employees;" +
"SELECT TOP 5 ContactName, ContactTitle FROM Customers;" +
"SELECT TOP 5 SupplierID, CompanyName, ContactName FROM Suppliers";
SqlCommand cmd = new SqlCommand(sql, con);
con.Open();
SqlDataReader reader = cmd.ExecuteReader();
StringBuilder htmlStr = new StringBuilder("");
int i = 0;
do
{
htmlStr.Append("<h2>Rowset: ");
htmlStr.Append(i.ToString());
htmlStr.Append("</h2>");
while (reader.Read())
{
htmlStr.Append("<li>");
for (int field = 0; field < reader.FieldCount; field++)
{
htmlStr.Append(reader.GetName(field).ToString());
htmlStr.Append(": ");
htmlStr.Append(reader.GetValue(field).ToString());
htmlStr.Append(" ");
}
htmlStr.Append("</li>");
}
htmlStr.Append("<br><br>");
i++;
} while (reader.NextResult());
reader.Close();
con.Close();
HtmlContent.Text = htmlStr.ToString();
}
}
File: Web.config
<?xml version="1.0"?>
<configuration xmlns="http://schemas.microsoft.com/.NetConfiguration/v2.0">
<connectionStrings>
<add name="Northwind" connectionString="Data Source=localhost;Initial Catalog=Northwind;Integrated Security=SSPI"/>
</connectionStrings>
<appSettings>
<add key="factory" value="System.Data.SqlClient" />
<add key="employeeQuery" value="SELECT * FROM Employees" />
</appSettings>
<system.web>
<compilation debug="true"/>
<authentication mode="Windows"/>
</system.web>
</configuration>
]]>