在ASP.NET中将数据直接输出成Excel内容 (转)

在ASP.NET中将数据直接输出成Excel内容 (转)[@more@]

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：

dotnetplayground.com/Exam/Data2ExcelDemo.htm" target=_target>查看例子

ExcelExport.aspx

web.mengxianhui.com.ExcelExport"%> w3c//DTD HTML 4.0 Transitional//EN"> ExcelExportmicrosoft Visual Studio.NET 7.0"> Visual Basic 7.0"> Javascript"> intellisense/ IE5"> RM id="Form1" method="post" runat="server"> selectedItemStyle Font-Bold="True" ForeColor="#663399" BackColor="#FFCC66">

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。 buggerStepThrough()> 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 = "Prov ider=Microsoft.Jet.OLE db.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

来自 “ ITPUB博客 ” ，链接：http://blog.itpub.net/10752043/viewspace-956569/，如需转载，请注明出处，否则将追究法律责任。

转载于:http://blog.itpub.net/10752043/viewspace-956569/