ASP.NET技巧：数据岛出到Excel最为简易的方法-技术开发AspNet技术-Ubuntu系统_Ubuntu服务器

只需将ContentType 设置为 "application/vnd.ms-excel",表示以Excel方式输出.
代码如下:
DataToExcel.ASPx:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DataToExcel.ASPx.cs" Inherits="DataToExcel" %>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>DataToExcel</title>
</head>
<body>
    <form id="form1" runat="server">
            <ASP:GridView ID="GridView1" runat="server">
            </ASP:GridView>
    </form>
</body>
</html>DataToExcel.ASPx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

public partial class DataToExcel : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!this.IsPostBack)
        {
            this.Response.ContentType = "application/vnd.ms-excel";
            string ConnStr = "server=localhost;uid=sa;pwd=;database=northwind";
            SqlConnection Conn = new SqlConnection(ConnStr);
            Conn.Open();
            string sqlcmd = "select lastname,firstname,title, address, city from employees";
            SqlCommand cmd = new SqlCommand(sqlcmd, Conn);
            SqlDataAdapter adapter = new SqlDataAdapter(cmd);
            DataSet ds = new DataSet();
            adapter.Fill(ds);
            this.GridView1.DataSource = ds.Tables[0].DefaultView;
            this.GridView1.DataBind();
        }
    }
}

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