方法一：
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="ws1._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>Webservices</title>
</head>
<body>
<form id="form1" runat="server">
<div id="div1" runat="server">
</div>
</form>
</body>
</html>
StringBuilder sbTable = new StringBuilder();
sbTable.Append("<table><thead>");
sbTable.Append("<tr><th>");
sbTable.Append("A");
sbTable.Append("</th><th>");
sbTable.Append("B");
sbTable.Append("</th><th>");
sbTable.Append("C");
sbTable.Append("</th></tr>");
sbTable.Append("</thead><tbody>");
sbTable.Append("<tr><td>");
sbTable.Append("1");
sbTable.Append("</td><td>");
sbTable.Append("2");
sbTable.Append("</td><td>");
sbTable.Append("3");
sbTable.Append("</td></tr>");
sbTable.Append("</table>");
div1.innterHtml = sbTable.tostring();
方法2：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default5.aspx.cs" Inherits="Default5" %>
<!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:Panel ID="Panel1" runat="server" Height="50px" Width="125px">
</asp:Panel>
</div>
</form>
</body>
</html>
HtmlTable tbdt=new HtmlTable();
HtmlTableRow tr = new HtmlTableRow();
HtmlTableCell tb = new HtmlTableCell();
tb.Controls.Add(new LiteralControl(" <img src='a.gif'>"));
tr.Cells.Add(tb);
HtmlTableCell tb1 = new HtmlTableCell();
tb1.Controls.Add(new LiteralControl(" <img src='b.gif'>"));
tr.Cells.Add(tb1);
HtmlTableCell tb2 = new HtmlTableCell();
tb2.Controls.Add(new LiteralControl(" <img src='c.gif'>"));
tr.Cells.Add(tb2);
tbdt.Rows.Add(tr);
Panel1.Controls.Add(tbdt);