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| 在ASP.NET中将数据直接输出成Excel内容-ASP．NET |
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来源：Dotnet频道 |
作者：采集 |
时间：2008-3-31 |
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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" Border 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" Border
BorderColor="Black" BackColor="White">< /ItemStyle>
< HeaderStyle Font-Bold="True" HorizontalAlign="Center" BorderWidth="2px"
ForeColor="#FFFFCC" Border 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"
' 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 |
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