建议换成4组radio,就不用判断了
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http://community.csdn.net/Expert/topic/3624/3624821.xml?temp=.7933771
{
if(obj.checked)
{
bname=obj.name
bname=bname.substr(0,bname.length-1)
for(i=1;i<=4;i++)
if (i!=strid)
document.all(bname +(i-1)).checked=false;
}
}
{
for(var i=1;i<5;i++)
for(var j=0;j<4;j++)
{
var obj=document.all("Repeater1__ctl1"+i+"_CheckBox"+j);
if(obj.checked)
return true;
}
alert("不能全为空!")
return false;
}
function fnc()
{
for(var i=1;i<5;i++)
for(var j=0;j<4;j++)
{
var obj=document.all("Repeater1__ctl1"+i+"_CheckBox"+j);
if(obj.checked)
return true;
}
alert("不能全为空!")
return false;
}function fnc3(strid,obj)
{
if(obj.checked)
{
bname=obj.name
bname=bname.substr(0,bname.length-1)
for(i=1;i<=4;i++)
if (i!=strid)
document.all(bname +(i-1)).checked=false;
}
}
function login_check()
{
if(fnc==false)
return false
if(document.Form1.Text_User_Identification.value=="" || document.Form1.Text_User_Mobile.value=="")
{
alert("身份证号和手机号至少需要填写一处!!!");
return false;
}
return true
}
</script>
....
<form name=Form1 method="post" onsubmit="return login_check">
能否代用控件所在单元格id来操作
思路如下:其中strid是从1到4
function fnc3(strid,obj)
{
for(var i=0;i<document.all.length;i++)
{
if(document.all(i).type == 'checkbox' && document.all(i).parentElement.id == strid) document.all(i).checked = false;obj.checked=true;
}
}
但是用你的方法只要4列中任选择了一个就不提示了错误了。应该是4列中至少每列选择了一个checkbox
function fnc()
{
var n=0;//计数器
for(var j=1;j<5;j++)
{
for(var i=0;i<document.all.length;i++)
{
if(document.all(i).type == 'checkbox' && document.all(i).parentElement.id == j.toString() && document.parentElement.all(i).checked == true)
{
n++;
}
}
if(n==0)
{
alert("每列至少要选择一个"); return false;
}
else
{
n=0;
//return true;
} }
出错提示:
document.parentElement为空或不是对象
<head>
<meta http-equiv="Content-Type"
content="text/html; charset=gb2312">
<title> 站点发布信息</title>
</head>
<script language="javascript">
function fnc()
{
for(var j=1;j<5;j++)
{
for(var i=0;i<document.all.length;i++)
{
if(document.all(i).type == 'checkbox' && document.all(i).parentElement.id == j.toString() && document.all(i).parentElement.id.checked == false)
{
alert("sdfasdf"); return false;
}
else
{
return true;
}
}
}
}
function fnc3(strid,obj)
{
for(var i=0;i<document.all.length;i++)
{
if(document.all(i).type == 'checkbox' && document.all(i).parentElement.id == strid) document.all(i).checked = false;obj.checked=true;
}
}
function login_check()
{
if(!checknotnull()) return false;
if(document.Form1.Text_User_Identification.value!="" || document.Form1.Text_User_Mobile.value!="")
{
return true;
}
else
{
alert("身份证号和手机号至少需要填写一处!!!"); return false;
}
}
function checknotnull()
{
for(var i=0;i<4;i++)
{
var count= 0;
for(var j=1;j<5;j++)
{
var obj=eval(document.forms[0].elements["Repeater1__ctl1"+j+"_Checkbox"+i]);
if(obj.checked) count=count+1;
}
if(count==0)
{
alert("空!"+i+"@");
return false;
}
}
return true;
}
</script>
<body>
<FORM METHOD=POST ACTION="">
<TABLE id="Table2" cellSpacing="0" cellPadding="0" width="80%" align="center" border="0">
<TR>
<TD width="15%" align="right">HP</TD>
<td width="10%" id="1" align="center"><input name="Repeater1:_ctl11:SelectedID" id="Repeater1__ctl11_SelectedID" type="hidden" value="11" />
<input name="Repeater1:_ctl11:CheckBox0" id="Repeater1__ctl11_Checkbox0" type="checkbox" onclick="fnc3(this.parentElement.id,this);" /></td>
<TD width="15%" align="right">HP</TD>
<td width="10%" id="2" align="center">
<input name="Repeater1:_ctl11:Checkbox1" id="Repeater1__ctl11_Checkbox1" type="checkbox" onclick="fnc3(this.parentElement.id,this);" /></td>
<TD width="15%" align="right">HP</TD>
<td width="10%" id="3" align="center">
<input name="Repeater1:_ctl11:Checkbox2" id="Repeater1__ctl11_Checkbox2" type="checkbox" onclick="fnc3(this.parentElement.id,this);" /></td>
<TD width="15%" align="right">HP</TD>
<td width="10%" id="4" align="center">
<input name="Repeater1:_ctl11:Checkbox3" id="Repeater1__ctl11_Checkbox3" type="checkbox" onclick="fnc3(this.parentElement.id,this);" /></td>
</TR>
<TR>
<TD width="15%" align="right">金利</TD>
<td width="10%" id="1" align="center"><input name="Repeater1:_ctl12:SelectedID" id="Repeater1__ctl12_SelectedID" type="hidden" value="12" />
<input name="Repeater1:_ctl12:CheckBox0" id="Repeater1__ctl12_Checkbox0" type="checkbox" onclick="fnc3(this.parentElement.id,this);" /></td>
<TD width="15%" align="right">金利</TD>
<td width="10%" id="2" align="center">
<input name="Repeater1:_ctl12:Checkbox1" id="Repeater1__ctl12_Checkbox1" type="checkbox" onclick="fnc3(this.parentElement.id,this);" /></td>
<TD width="15%" align="right">金利</TD>
<td width="10%" id="3" align="center">
<input name="Repeater1:_ctl12:Checkbox2" id="Repeater1__ctl12_Checkbox2" type="checkbox" onclick="fnc3(this.parentElement.id,this);" /></td>
<TD width="15%" align="right">金利</TD>
<td width="10%" id="4" align="center">
<input name="Repeater1:_ctl12:Checkbox3" id="Repeater1__ctl12_Checkbox3" type="checkbox" onclick="fnc3(this.parentElement.id,this);" /></td>
</TR>
<TR>
<TD width="15%" align="right">新蓝</TD>
<td width="10%" id="1" align="center"><input name="Repeater1:_ctl13:SelectedID" id="Repeater1__ctl13_SelectedID" type="hidden" value="13" />
<input name="Repeater1:_ctl13:CheckBox0" id="Repeater1__ctl13_Checkbox0" type="checkbox" onclick="fnc3(this.parentElement.id,this);" /></td>
<TD width="15%" align="right">新蓝</TD>
<td width="10%" id="2" align="center">
<input name="Repeater1:_ctl13:Checkbox1" id="Repeater1__ctl13_Checkbox1" type="checkbox" onclick="fnc3(this.parentElement.id,this);" /></td>
<TD width="15%" align="right">新蓝</TD>
<td width="10%" id="3" align="center">
<input name="Repeater1:_ctl13:Checkbox2" id="Repeater1__ctl13_Checkbox2" type="checkbox" onclick="fnc3(this.parentElement.id,this);" /></td>
<TD width="15%" align="right">新蓝</TD>
<td width="10%" id="4" align="center">
<input name="Repeater1:_ctl13:Checkbox3" id="Repeater1__ctl13_Checkbox3" type="checkbox" onclick="fnc3(this.parentElement.id,this);" /></td>
</TR>
<TR>
<TD width="15%" align="right">百时通</TD>
<td width="10%" id="1" align="center"><input name="Repeater1:_ctl14:SelectedID" id="Repeater1__ctl14_SelectedID" type="hidden" value="14" />
<input name="Repeater1:_ctl14:CheckBox0" id="Repeater1__ctl14_Checkbox0" type="checkbox" onclick="fnc3(this.parentElement.id,this);" /></td>
<TD width="15%" align="right">百时通</TD>
<td width="10%" id="2" align="center">
<input name="Repeater1:_ctl14:Checkbox1" id="Repeater1__ctl14_Checkbox1" type="checkbox" onclick="fnc3(this.parentElement.id,this);" /></td>
<TD width="15%" align="right">百时通</TD>
<td width="10%" id="3" align="center">
<input name="Repeater1:_ctl14:Checkbox2" id="Repeater1__ctl14_Checkbox2" type="checkbox" onclick="fnc3(this.parentElement.id,this);" /></td>
<TD width="15%" align="right">百时通</TD>
<td width="10%" id="4" align="center">
<input name="Repeater1:_ctl14:Checkbox3" id="Repeater1__ctl14_Checkbox3" type="checkbox" onclick="fnc3(this.parentElement.id,this);" /></td>
</TR>
</TABLE>
<INPUT TYPE="button" name="test" value="测试" onclick="return login_check()">
</FORM>
</body>
</html>注意 你的程序的Repeater1:_ctl11:CheckBox0 中的 B 要改成小写b Repeater1:_ctl11:Checkbox0
<TR>
<td width="10%" id="1" align="center">
<td width="10%" id="2" align="center">
<td width="10%" id="3" align="center">
<td width="10%" id="4" align="center">
</TR>
比如说一行里的4列如下:<td width="10%" id="1" align="center">
<TR>
<td width="10%" id="1" align="center">
<td width="10%" id="2" align="center">
<td width="10%" id="3" align="center">
<td width="10%" id="4" align="center">
</TR>
比如说一行里的4列如下:<td width="10%" id="1" align="center">
<TR>
<td width="10%" id="1" align="center">
<td width="10%" id="2" align="center">
<td width="10%" id="3" align="center">
<td width="10%" id="4" align="center">
</TR>
比如说一行里的4列如下:<td width="10%" id="1" align="center">
<TR>
<td width="10%" id="1" align="center">
<td width="10%" id="2" align="center">
<td width="10%" id="3" align="center">
<td width="10%" id="4" align="center">
</TR>