hi all
i have list box with multi select options.
I can add new item dynamically in the list box by using ADD OPTION
ways to Delete the Items:
1). i can delete all the items in the list box by using DELETE ALL
2). Select the specified item and delete by using DELETE
THE PROBLEM I FACING:
i select all items in the list box and if i press DELETE it will give
Dr. watson Erron when i invoke this page in IE
but the Same Code is WORKING fine in NETSCAPE
my code:
<html>
<head>
<script Language="Javascript">
function fnAddData(){
len=document.group.select1.length
document.group.select1.options[len] = new Option(document.group.txtName.value)
document.group.select1.options[len].value = document.group.txtName.value
}
function fnAllDelete(){
document.group.select1.length=0
}
function checkArraySize(){
selectLength=document.group.select1.length
arrayLength =getSelectedArrayIndex()
if (selectLength==arrayLength){
fnAllDelete()
}
else{
fnDelete()
}
}
function getSelectedArrayIndex(){
var count=0
for(i=0;i<document.group.select1.length;i++){
if(document.group.select1.options[i].selected) count++
}
return count;
}
function fnDelete(){
listArray = new Array()
indexArray = new Array()
var count=0
var arcount=0
for(i=0;i<document.group.select1.length;i++)
{
if (!(document.group.select1.options[i].selected))
{
listArray[count] = document.group.select1.options[i].value
count++
}
else
{
indexArray[arcount] = i
arcount++
}
}
for(i=indexArray.length-1;i>=0;i--)
{
document.group.select1.options[indexArray[i]] = null
}
}
</script>
</head>
<body>
<form name="group">
<p><select id="select1" name="select1" style="HEIGHT: 56px; WIDTH: 111px" multiple
size="5">
</select> <input type="text" name="txtName" size="20"> <input type="button"
value="Add"
name="cmdAdd" onClick=" fnAddData()"><input id="cmdDelete" name="cmdDelete"
type="button"
value="Delete" onClick="checkArraySize()"><input type="button" value="DeleteAll"
name="cmdDeleteAll" onClick=" fnAllDelete()"></p>
</form>
</body>
</html>
thanks in advance
alagu
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