javascript中获取radiobuttonlist选中值

<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="ajaxselect.OnmouseTitle.WebForm1" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
    
<HEAD>
        
<title>WebForm1</title>
        
<meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
        
<meta content="C#" name="CODE_LANGUAGE">
        
<meta content="JavaScript" name="vs_defaultClientScript">
        
<meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
        
<script language="javascript">
        
        
//******************
        
//Author:owendu
        
//date:11.13
        
//******************
        function  getvalue()
        
{
        var b
=document.all.rbtid.length
        var a
=document.getElementById("rbtid").rows.length; 
        
//alert(b);结果为5
        
//alert(a);结果为4
        
//for(var i=0;i<b-1;i++)这样也行
        for(var i=0;i<a;i++)
        
{
          var ss
="rbtid_"+i;
          var aa
=document.getElementById(ss).value;
          
//if(eval('document.all.rbtid_'+i).checked==true) //这样也行 eval()函数能将数据符串转成js运行
          var bb=document.getElementById(ss);
          
if(document.getElementById(ss).checked)  //注意checked不能写成Checked,要不然不成功
           {
                  alert(aa);
                  
break;
           }
      
        
        }

        }

        
</script>
    
</HEAD>
    
<body MS_POSITIONING="GridLayout">
        
<form id="Form1" method="post" runat="server">
            
<FONT face="宋体">
                
<asp:radiobuttonlist id="rbtid" style="Z-INDEX: 101; LEFT: 8px; POSITION: absolute; TOP: 8px" runat="server"
                    Width
="216px" Height="176px" name="rbtid">
                    
<asp:ListItem Value="0">0</asp:ListItem>
                    
<asp:ListItem Value="1" Selected>1</asp:ListItem>
                    
<asp:ListItem Value="2">2</asp:ListItem>
                    
<asp:ListItem Value="3">3</asp:ListItem>
                
</asp:radiobuttonlist><INPUT style="Z-INDEX: 102; LEFT: 184px; POSITION: absolute; TOP: 256px" onclick="getvalue()"
                    type
="button" value="Button"></FONT>
        
</form>
    
</body>
</HTML>

posted on 2006-11-13 17:03  asdsd  阅读(6733)  评论(5编辑  收藏  举报

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