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完整代碼：
復(fù)制代碼 代碼如下:
<%@ Page Language="C#" Trace="false" AutoEventWireup="true" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void Button1_Click(object sender, EventArgs e)
{
System.Web.HttpContext curContext = System.Web.HttpContext.Current;
// IO用于導(dǎo)出并返回excel文件
System.IO.StringWriter strWriter = null;
System.Web.UI.HtmlTextWriter htmlWriter = null;
// 設(shè)置編碼和附件格式
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.Buffer = true;
HttpContext.Current.Response.AddHeader("content-disposition", string.Format("attachment; filename={0}", "aaa.xls"));
curContext.Response.ContentType = "application/vnd.ms-excel";
curContext.Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB18030");
curContext.Response.Charset = "";
// 導(dǎo)出excel文件
strWriter = new System.IO.StringWriter();
htmlWriter = new System.Web.UI.HtmlTextWriter(strWriter);
htmlWriter.WriteLine("標(biāo)題");
// 返回客戶端
GridView1.RenderControl(htmlWriter);
curContext.Response.Write(strWriter.ToString().Replace("<br/>", "<br style='mso-data-placement:same-cell;'/> "));
curContext.Response.End();
}
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
GridView1.DataSource = CreateDataSourceByXianhuiMeng();
GridView1.DataBind();
}
}
System.Data.DataView CreateDataSourceByXianhuiMeng()
{
System.Data.DataTable dt = new System.Data.DataTable();
System.Data.DataRow dr;
dt.Columns.Add(new System.Data.DataColumn("學(xué)生班級", typeof(System.String)));
dt.Columns.Add(new System.Data.DataColumn("學(xué)生姓名", typeof(System.String)));
dt.Columns.Add(new System.Data.DataColumn("語文", typeof(System.Decimal)));
dt.Columns.Add(new System.Data.DataColumn("數(shù)學(xué)", typeof(System.Decimal)));
dt.Columns.Add(new System.Data.DataColumn("英語", typeof(System.Decimal)));
dt.Columns.Add(new System.Data.DataColumn("計(jì)算機(jī)", typeof(System.Decimal)));
for (int i = 0; i < 8; i++)
{
System.Random rd = new System.Random(Environment.TickCount * i); ;
dr = dt.NewRow();
dr[0] = "班級" + i.ToString();
dr[1] = "學(xué)生姓名：孟子E章" + i.ToString() + "<br/>所在班級：" + "班級" + i.ToString();
dr[2] = System.Math.Round(rd.NextDouble() * 100, 2);
dr[3] = System.Math.Round(rd.NextDouble() * 100, 2);
dr[4] = System.Math.Round(rd.NextDouble() * 100, 2);
dr[5] = System.Math.Round(rd.NextDouble() * 100, 2);
dt.Rows.Add(dr);
}
System.Data.DataView dv = new System.Data.DataView(dt);
return dv;
}
public override void VerifyRenderingInServerForm(Control control)
{ }
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>無標(biāo)題頁</title>
</head>
<body>
<form id="form1" runat="server">
<ASP:GridView ID="GridView1" runat="server" AutoGenerateColumns="false">
<Columns>
<ASP:BoundField HtmlEncode="false" DataField="學(xué)生姓名" HeaderText="測試字段" />
</Columns>
</ASP:GridView>
<ASP:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" />
</form>
</body>
</html>
要查閱 Excel 中使用的樣式規(guī)范，請參考：Microsoft® Office HTML and XML Reference。
下載地址：http://download.microsoft.com/download/a/c/1/ac18e8a2-ce20-41b5-8407-c4cec4a17f19/ofhtml9.exe
AspNet技術(shù)：ASP.NET 導(dǎo)出到Excel時(shí)保留換行的代碼，轉(zhuǎn)載需保留來源！
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