在ASP.NET中将数据直接输出成Excel内容

最新推荐文章于 2025-11-23 21:36:02 发布

最新推荐文章于 2025-11-23 21:36:02 发布 · 89 阅读

文章标签：

#ASP.net #.net #Excel #ASP #VB.NET

本文介绍了在ASP.NET中实现将数据库数据直接输出为Excel文件格式，并在浏览器中输出的方法，还给出了实现例子，如ExcelExport.aspx和ExcelExport.aspx.vb。

在ASP.NET中将数据直接输出成Excel内容

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

<xmp><%@ Page Language="vb" AutoEventWireup="false" Codebehind="ExcelExport.aspx.vb" Inherits="aspxWeb.mengxianhui.com.ExcelExport"%> <html> <head> ExcelExport <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"> <asp:datagrid font-size="9pt" borderwidth="1px" bordercolor="#CC9966" id="DataGrid1" borderstyle="None" height="100%" backcolor="White" font-names="宋体" width="100%" cellpadding="4" runat="server"> <selecteditemstyle font-bold="True" backcolor="#FFCC66" forecolor="#663399"></selecteditemstyle> <alternatingitemstyle backcolor="#FFCC99"></alternatingitemstyle> <itemstyle borderwidth="2px" bordercolor="Black" borderstyle="Solid" backcolor="White" forecolor="#330099"></itemstyle> <headerstyle horizontalalign="Center" borderwidth="2px" bordercolor="Black" borderstyle="Solid" font-bold="True" backcolor="#990000" forecolor="#FFFFCC"></headerstyle> </asp:datagrid> </body> </html> </xmp>

ExcelExport.aspx.vb

<xmp>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 Sub End Class </xmp>