本文实现了将数据库中的数据直接输出到Excel文件格式并在浏览器里输出。下面就是实现的例子：
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<以下为引用的内容：
ExcelExport.ASPx
  
  ＜%@ Page Language="VB" AutoEventWireup="false" Codebehind="ExcelExport.aspx.vb"
  Inherits="aspxWeb.mengxianhui.com.ExcelExport"%＞
  ＜!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"＞
  ＜HTML＞
  　＜HEAD＞
  　　＜title＞ExcelExport＜/title＞
  　　＜meta name="GENERATOR" content="Microsoft Visual Studio.net 7.0"＞
  　　＜meta name="CODE_LANGUAGE" content="Visual Basic 7.0"＞
  　　＜meta name="vs_defaultClientscript" content="javascript"＞
  　　＜meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5"＞
  　＜/HEAD＞
  ＜body MS_POSITIONING="GridLayout"＞
  　＜form id="Form1" method="post" runat="server"＞
  　　＜asp:DataGrid id="DataGrid1" runat="server" CellPadding="4" BackColor="White"
  BorderColor="#CC9966" BorderWidth="1px" BorderStyle="None" Width="100%" Height="100%"
  Font-Size="9pt" Font-Names="宋体"＞
  　　＜SelectedItemStyle Font-Bold="True" ForeColor="#663399" BackColor="#FFCC66"＞＜/SelectedItemStyle＞
  　　＜AlternatingItemStyle BackColor="#FFCC99"＞＜/AlternatingItemStyle＞
  　　＜ItemStyle BorderWidth="2px" ForeColor="#330099" BorderStyle="Solid"
  BorderColor="Black" BackColor="White"＞＜/ItemStyle＞
  　　＜HeaderStyle Font-Bold="True" HorizontalAlign="Center" BorderWidth="2px"
  ForeColor="#FFFFCC" BorderStyle="Solid" BorderColor="Black" BackColor="#990000"＞＜/HeaderStyle＞
  　　＜/asp:datagrid＞
  　＜/form＞
  ＜/body＞
  ＜/HTML＞
  
  
  　　ExcelExport.aspx.vb
  
  Public Class ExcelExport
  Inherits System.Web.UI.Page
  Protected WithEvents DataGrid1 As System.Web.UI.WebControls.DataGrid
  #Region " Web 窗体设计器生成的代码 "
  '该调用是 Web 窗体设计器所必需的。
  ＜System.Diagnostics.DebuggerStepThrough()＞ Private Sub InitializeComponent()
  End Sub
  
  Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) _
  Handles MyBase.Init
  　'CODEGEN: 此方法调用是 Web 窗体设计器所必需的
  　'不要使用代码编辑器修改它。
  　InitializeComponent()
  End Sub
  
  #End Region
  Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) _
  Handles MyBase.Load
  　'在此处放置初始化页的用户代码
  　' 定义是否是 SQL Server 数据库，这里为False
  　Dim blnIsSQLServer As System.Boolean = False
  　Dim strSQL As String
  　Dim objDataset As New DataSet()
  　Dim objConn As Object
  　Dim strCnn As String
  　If blnIsSQLServer Then
  　　strCnn = "User ID=sa;Initial Catalog=Northwind;Data Source=.\NetSDK;"
  　　objConn = New System.Data.SqlClient.SqlConnection(strCnn)
  　　objConn.Open()
  　　Dim objAdapter As New System.Data.SqlClient.SqlDataAdapter()
  　　strSQL = "Select * from customers where country='USA'"
  　　objAdapter.SelectCommand = New System.Data.SqlClient.SqlCommand(strSQL, objConn)
  　　objAdapter.Fill(objDataset)
  　Else
  　　strCnn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("Test.mdb")
  　　objConn = New System.Data.OleDb.OleDbConnection(strCnn)
  　　objConn.Open()
  　　Dim objAdapter As New System.Data.OleDb.OleDbDataAdapter()
  　　strSQL = "Select Top 10 Title From Document"
  　　objAdapter.SelectCommand = New System.Data.OleDb.OleDbCommand(strSQL, objConn)
  　　objAdapter.Fill(objDataset)
  　End If
  　Dim oView As New DataView(objDataset.Tables(0))
  　DataGrid1.DataSource = oView
  　DataGrid1.DataBind()
  　objConn.Close()
  　objConn.Dispose()
  　objConn = Nothing
  　If Request.QueryString("bExcel") = "1" Then
  　　Response.ContentType = "application/vnd.ms-excel"