System.Data.DataSet ds = new System.Data.DataSet();
System.Data.DataTable dataTable1 = new System.Data.DataTable("BlogUser");
System.Data.DataRow dr;
dataTable1.Columns.Add(new System.Data.DataColumn("UserId", typeof(System.Int32)));
dataTable1.Columns.Add(new System.Data.DataColumn("UserName", typeof(System.String)));
dataTable1.PrimaryKey = new System.Data.DataColumn[] { dataTable1.Columns["UserId"] };
for (int i = 0; i < 8; i++)
{
    dr = dataTable1.NewRow();
    dr[0] = i;
    dr[1] = "用户姓名【孟子E章】测试" + i.ToString();
    dataTable1.Rows.Add(dr);
}
System.Data.DataTable dataTable2 = new System.Data.DataTable("BlogArticle");
dataTable2.Columns.Add(new System.Data.DataColumn("ArticleId", typeof(System.Int32)));
dataTable2.Columns.Add(new System.Data.DataColumn("Title", typeof(System.String)));
dataTable2.Columns.Add(new System.Data.DataColumn("UserId", typeof(System.Int32)));
dataTable2.PrimaryKey = new System.Data.DataColumn[] { dataTable1.Columns["ArticleId"] };
Random rd = new Random();
for (int i = 0; i < 20; i++)
{
    dr = dataTable2.NewRow();
    dr[0] = i;
    dr[1] = "文章标题例子" + i.ToString();
    dr[2] = rd.Next(0, 7);
    dataTable2.Rows.Add(dr);
}
ds.Tables.Add(dataTable1);
ds.Tables.Add(dataTable2);

Response.ClearContent();
Response.BufferOutput = true;
Response.Charset = "utf-8";
Response.ContentType = "application/ms-excel";
Response.AddHeader("Content-Transfer-Encoding", "binary");
Response.ContentEncoding = System.Text.Encoding.UTF8;
String FileName = "孟宪会Excel表格测试";
if (!String.IsNullOrEmpty(Request.UserAgent))
{
    // firefox 里面文件名无需编码。
    if (!(Request.UserAgent.IndexOf("Firefox") > -1 && Request.UserAgent.IndexOf("Gecko") > -1))
    {
        FileName = Server.UrlEncode(FileName);
    }
}
Response.AppendHeader("Content-Disposition", "attachment;filename=" + FileName + ".xls");
Response.Write("<?xml version='1.0'?><?mso-application progid='Excel.Sheet'?>");
Response.Write(@"<Workbook xmlns='urn:schemas-microsoft-com:office:spreadsheet'
xmlns:o='urn:schemas-microsoft-com:office:office' xmlns:x='urn:schemas-microsoft-com:office:excel'
xmlns:ss='urn:schemas-microsoft-com:office:spreadsheet' xmlns:html='http://www.w3.org/TR/REC-html40'>");
Response.Write(@"<DocumentProperties xmlns='urn:schemas-microsoft-com:office:office'>");
Response.Write(@"<Author>孟宪会</Author><LastAuthor>孟子E章</LastAuthor>
<Created>2010-09-08T14:07:11Z</Created><Company>mxh</Company><Version>1990</Version>");
Response.Write("</DocumentProperties>");
Response.Write(@"<Styles><Style ss:ID='Default' ss:Name='Normal'><Alignment ss:Vertical='Center'/>
<Borders/><Font ss:FontName='宋体' x:CharSet='134' ss:Size='12'/><Interior/><NumberFormat/><Protection/></Style>");
//定义标题样式    
Response.Write(@"<Style ss:ID='Header'><Borders><Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1'/>
<Border ss:Position='Left' ss:LineStyle='Continuous' ss:Weight='1'/>
<Border ss:Position='Right' ss:LineStyle='Continuous' ss:Weight='1'/>
<Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1'/></Borders>
<Font ss:FontName='宋体' x:CharSet='134' ss:Size='18' ss:Color='#FF0000' ss:Bold='1'/></Style>");

//定义边框
Response.Write(@"<Style ss:ID='border'><NumberFormat ss:Format='@'/><Borders>
<Border ss: