c# 发送html中含统计图表邮件

有个html，代码如下：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
     google.load("visualization", "1",
{ packages: ["corechart"] });
     google.setOnLoadCallback(drawChart);
     function drawChart() {
         var data = google.visualization.arrayToDataTable([['Year', 'Sales', 'Expenses'],
    ['2004', 1000, 400], ['2005', 1170, 460], ['2006', 660, 1120], ['2007', 1030, 540]]);
         var options = { title: 'Company Performance', hAxis: { title: 'Year', titleTextStyle: { color: 'red'}} };
         var chart = new google.visualization.AreaChart(document.getElementById('chart_div')); chart.draw(data, options);
     }
        </script>
</HEAD>
<title>ShowArticle</title>
<body>
<table border="1">
<tr><td>日期</td><td>总受众终端数</td><td>娱乐平台终端数</td><td>网吧保姆终端数</td></tr><tr><td>2012-06-19 0:00:00</td><td>972284</td><td>711964</td><td>704558</td></tr>
<div id="chart_div" style="width: 900px; height: 500px;"></div>
</table>
</body>
</HTML>
把这个html发送到邮箱后，div包含的这一块不显示，为什么呢？ --------------------编程问答-------------------- 你用什么格式发送？发送到什么邮箱？

补充：.NET技术 ,  图表区