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HarithaAdapa
htmlcode
1 Answer(s)      4 years and 7 months ago
Posted in : Java Interview Questions


I have two textFields. One TextField have all country names,if we select one country name then the related states of that countries are displayed
in another textfield dynamically.How is it possible.
pls send the code as soon as possible.
Thank you very much

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June 18, 2010 at 12:35 PM


Hi Friend,

Try the following code:

<html>
<h2>ComboBox</h2>
<script language="javascript">
var arr = new Array();
arr[0] = new Array("-select-");
arr[1] = new Array("Maharashtra","Karnataka","Andhra Pradesh","Tamil Nadu");
arr[2] = new Array("Carinthia"," Styria");
arr[3] = new Array("Florida","New York","Maryland");
arr[4] = new Array("Queensland","Victoria","Tasmania","New South Wales");

function change(combo1)
{
var comboValue = combo1.value;
document.forms["form"].elements["combo2"].options.length=0;
for (var i=0;i<arr[comboValue].length;i++)
{
var option = document.createElement("option");
option.setAttribute('value',i+1);
option.innerHTML = arr[comboValue][i];
document.forms["form"].elements["combo2"].appendChild(option);
}
}
</script>
<form name="form" method="post">
<select name="combo1" onchange="change(this);">
<option value="0">-Select-</option>
<option value="1">India</option>
<option value="2">Austria</option>
<option value="3">USA</option>
<option value="4">Australia</option>
</option>

</select><br />
<select name="combo2">
</select>
</form>
</html>

Thanks


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