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将 DataGrid 的数据保存为 Excel 文件（孟子E章）

2008-01-15 10:20 423 查看

原文地址： http://www.code-studio.net/CSView.aspx?aid=157 下面的代码是出自孟子E章的，他用的是 ASP.NET 1.1 写的，但现在一般企业都转向 ASP.NET 2.0，为了方便新手，我就改为 ASP.NET 2.0了，希望孟子不要介意。:)

做为演示代码，程序里编程填充数据，不需要连接数据库。

文件名:Default3.aspx

.aspx

HTML CODE<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default3.aspx.cs" Inherits="Default3" %>

<!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>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:DataGrid ID="DataGrid1" runat="server" OnItemDataBound="DataGrid1_ItemDataBound"></asp:DataGrid>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="输出Excel" /></div>
</form>
</body>
</html>

.cs

C# CODEusing 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;

public partial class Default3 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
DataGrid1.DataSource = CreateDataSource();
DataGrid1.DataBind();

}
ICollection CreateDataSource()
{

DataTable dt = new DataTable();
DataRow dr;
dt.Columns.Add(new DataColumn("身份证号码", typeof(string)));
dt.Columns.Add(new DataColumn("图书单价", typeof(decimal)));
dt.Columns.Add(new DataColumn("购买数量", typeof(Int32)));
dt.Columns.Add(new DataColumn("总价格", typeof(decimal)));

for (int i = 0; i < 30; i++)
{
dr = dt.NewRow();

dr[0] = "123456789123456789";
dr[1] = 100 * i / 3.0;
dr[2] = i + 5;
dr[3] = (decimal)dr[1] * (Int32)dr[2];
dt.Rows.Add(dr);
}
DataView dv = new DataView(dt);
return dv;
}
protected void Button1_Click(object sender, EventArgs e)
{
Response.Clear();
Response.Buffer = true;
Response.Charset = "GB2312";
Response.AppendHeader("Content-Disposition", "attachment;filename=FileName.xls");
Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");//设置输出流为简体中文
Response.ContentType = "application/ms-excel";//设置输出文件类型为excel文件。
this.EnableViewState = false;
System.Globalization.CultureInfo myCItrad = new System.Globalization.CultureInfo("ZH-CN", true);
System.IO.StringWriter oStringWriter = new System.IO.StringWriter(myCItrad);
System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);
this.DataGrid1.RenderControl(oHtmlTextWriter);
Response.Write(oStringWriter.ToString());
Response.End();
}
protected void DataGrid1_ItemDataBound(object sender, DataGridItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
e.Item.Cells[0].Attributes.Add("style", "vnd.ms-excel.numberformat:@");
e.Item.Cells[3].Attributes.Add("style", "vnd.ms-excel.numberformat:￥#,###.00");
}
}
}

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