<script language="JavaScript">
function Data_Show(){
var Showtype = document.form1.Showtype;
var flag = false;
for( i=0;i<Showtype.length;i++ )
{
if( Showtype[i].checked == true )
{
alert(Showtype[i].value);
flag = true;
break;
}
}
if( !flag )
alert("no selected items!");
}
</script>
就把你的函数改一下
function Data_Show(){
var Showtype = document.form1.Showtype;
var flag = false;
for( i=0;i<Showtype.length;i++ )
{
if( Showtype[i].checked == true )
{
alert(Showtype[i].value);
flag = true;
break;
}
}
if( !flag )
alert("no selected items!");
}
</script>
就把你的函数改一下
<script language="JavaScript">
function Data_Show(){
var Showtype = document.form1.Showtype;
var flag = false;
for( i=0;i<Showtype.length;i++ )
{
if( Showtype[i].checked == true )
{
alert(Showtype[i].value);
flag = true;
break;
}
}
if( !flag )
alert("no selected items!");
}
</script>