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： 查看例子 ExcelExport.aspx <![CDATA[<%@ 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"> <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 <![CDATA[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" ' 从Content-Type header中去除charset设置 Response.Charset = "" ' 关闭 ViewState Me.EnableViewState = False Dim tw As New System.IO.StringWriter() Dim hw As New System.Web.UI.HtmlTextWriter(tw) ' 获取control的HTML DataGrid1.RenderControl(hw) ' 把HTML写回浏览器 Response.Write(tw.ToString()) Response.End() End If End SubEnd Class]]> |
