请问在asp.net页面里面如何调用outlook发信界面啊
页面上有个button,我点击button然后弹出outlook的发信界面, 
 string   mailtoStr=    "mailto:a@b.com "; 
 System.Diagnostics.Process.Start(mailtoStr); 
 我是这么写的,但是报错。 
 Exception   Details:   
System.ComponentModel.Win32Exception:   An   attempt   was   made   to   reference   a   token   that   does   not   exist   
 Source   Error:        
 Line   56:   			string   mailtoStr=    "mailto:a@sb.com "; 
 Line   57:   			 
 Line   58:   			System.Diagnostics.Process.Start(mailtoStr); 
 大家帮忙看看,怎么才能实现啊。谢谢了。 
------解决方案--------------------
------解决方案--------------------直接写在页面上   
  <a href= "mailto:a@sb.com "> 发送邮件给我 </a>
------解决方案-------------------- <script>  
 function mail() 
 { 
 	alert( 'aaa '); 
 	window.location.href= 'mailto:a@b.com '; 
 } 
  </script>  
  <input type =button value= 'aaaaaa ' onclick=javascript:mail()>
------解决方案--------------------ding
------解决方案-------------------- <a href= "mailto:a@sb.com "> 发送邮件给我 </a>
------解决方案--------------------button.Attribute( "onclick ", "test() "); 
 ------- 
 写前端JS 
  <script>  
 function test() 
 { 
  document.form1.action= "mailto:a@sb.com "; 
  document.form1.submit(); 
 } 
  </script>
------解决方案--------------------按钮调用脚本 
 window.location.href= 'mailto:shadow841112@163.com ';