<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:DataGrid ID="Exportexcel" runat="server">
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Export to excel"/>
</div>
</form>
</body>
</html>
using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.OleDb;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
OleDbConnection MyOleDbConnection =
new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; Data Source=" +
Server.MapPath("~/App_Data/nwind.mdb"));
OleDbDataAdapter MyOleDbDataAdapter = new OleDbDataAdapter();
MyOleDbDataAdapter.SelectCommand =
new OleDbCommand("SELECT EmployeeID,UserName,Title FROM EmployeesStandalone",
MyOleDbConnection);
DataTable table = new DataTable();
MyOleDbConnection.Open();
try
{
MyOleDbDataAdapter.Fill(table);
}
finally
{
MyOleDbConnection.Close();
}
Exportexcel.DataSource = table.DefaultView;
Exportexcel.DataBind();
}
protected void Button1_Click(object sender, EventArgs e)
{
Response.Clear();
Response.AddHeader("content-disposition", "attachment;filename=Lokesh.xls");
Response.Charset = "";
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.ContentType = "application/vnd.xls";
System.IO.StringWriter stringWrite = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter htmlWrite = new HtmlTextWriter(stringWrite);
Exportexcel.RenderControl(htmlWrite);
Response.Write(stringWrite.ToString());
Response.End();
}
}
参考：http://www.codeproject.com/Tips/254010/Export-to-excel-from-datagrid-using-msaccess-db/