

<html>
<body>

<form method="post" action="demo_aspnet_htmlinputradiobutton.aspx" id="ctl00">
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/wEPDwUKLTkwNTUwMTcyOGQYAQUeX19Db250cm9sc1JlcXVpcmVQb3N0QmFja0tleV9fFgMFAnIxBQJyMgUCcjN/F3DVjhiMptJoLSz6Gr4FQ0qXCVpyDzTd52K9uVF/HQ==" />

<input type="hidden" name="__VIEWSTATEGENERATOR" id="__VIEWSTATEGENERATOR" value="D777ECD1" />
<input type="hidden" name="__EVENTVALIDATION" id="__EVENTVALIDATION" value="/wEdAAUw5uRhO2vp+1u8W/5P+1+iCj5vMMSz6jCC6NNmsvCokfJ7a8EipwEg8WkIEtkysl6ex5q9i//UaxHCmpGq94tA8U64O7P3hu9FCADqHdzsajLe10VOE92JH1DRgO8WJYmfS33N7R9tdtFxPFHukLSl" />
<p>请选择您喜欢的颜色：
<br />
<input value="r1" name="col" type="radio" id="r1" />Red</input>
<br />
<input value="r2" name="col" type="radio" id="r2" />Green</input>
<br />
<input value="r3" name="col" type="radio" id="r3" />Blue</input>
<br />
<input onclick="__doPostBack('ctl01','')" name="ctl01" type="button" value="提交" />
<p id="p1"></p>
</form>

</body>
</html>