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Posted to user@struts.apache.org by Nisha Akash <ni...@gmail.com> on 2008/10/25 10:33:04 UTC
struts
Hello everyone,
There is a problem in my struts 1.x code is that
Suppose I have 2 combobox say country,city & initially country contains
some countyname from database .Now i want that when we select any item or
any country from country combobox then other city combobox contains data
from database according to each country
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Re: struts
Posted by Nisha Akash <ni...@gmail.com>.
Thanks for ur reply
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Re: struts
Posted by Rajiv Singla <ra...@gmail.com>.
You can use Ajax.
I have implemented it for Struts 2.
See my code below:
<script language="javascript" type="text/javascript">
function getXMLHTTP() {
var xmlhttp=false;
try{
xmlhttp=new XMLHttpRequest();
}
catch(e) {
try{
xmlhttp= new ActiveXObject("Microsoft.XMLHTTP");
}
catch(e){
try{
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
}
catch(e1){
xmlhttp=false;
}
}
}
return xmlhttp;
}
function loadRegions(childRegion, parentRegion)
{
var regionId=parentRegion.value;
var strURL="user/noDeco_loadRegions.action?regionId="+regionId;
var req = getXMLHTTP();
if (req) {
req.onreadystatechange = function() {
if (req.readyState == 4) {
// only if "OK"
if (req.status == 200) {
var resultList =req.responseText;
//alert(resultList);
resultList = resultList.split(',');
var intCounter = 0;
var option = new Option('Select','');
document.userForm.elements[childRegion].options[intCounter] = option;
intCounter++;
for(i=0; i<resultList.length; i=i+2)
{
var option = new Option(resultList[i+1],resultList[i]);
document.userForm.elements[childRegion].options[intCounter] =
option;
intCounter++;
}
//alert("ThereXMLHTTP:\n" + req.responseText);
} else {
alert("There was a problem while using XMLHTTP:\n" + req.statusText);
}
}
}
req.open("GET", strURL, true);
req.send(null);
}
}
function loadProvinces(parentRegion)
{
document.userForm.provinceId.options.length = 0;
var option = new Option('Select','');
document.userForm.provinceId.options[0] = option;
//alert("value is " +parentRegion.value);
if (parentRegion.value != '')
{
//alert("value not null " +parentRegion.value);
loadRegions('provinceId',parentRegion);
}
}
</script>
<s:select name="countryId" key="user.label.country" required="true"
headerKey="" headerValue="Select" onchange="loadProvinces(this)"
list="countryList" listKey="regionId" listValue="description" >
<s:param name="labelcolspan" value="%{1}" />
<s:param name="inputcolspan" value="%{1}" />
</s:select>
<s:select name="provinceId" key="user.label.province" required="true"
headerKey="" headerValue="Select" list="provinceList"
listKey="regionId" listValue="description" >
<s:param name="labelcolspan" value="%{1}" />
<s:param name="inputcolspan" value="%{1}" />
</s:select>
You have to map the action in struts.xml file.
And code in my action class is:
@SkipValidation
public void loadRegions()
{
try
{
String regions ="";
regionList = commonService.loadRegionListByParentRegion(regionId);
StringBuffer regionStr = new StringBuffer();
if(regionList != null && regionList.size()>0)
{
Iterator iter = regionList.iterator();
while(iter.hasNext())
{
Map optionMap = (Map)iter.next();
regionStr.append((String)optionMap.get(TxnServerI.REGION_ID)).append(",")
.append((String)optionMap.get(TxnServerI.REGION_DESCRIPTION)).append(",");
}
regions = regionStr.toString().substring(0, (regionStr.length()-1));
}
_response.setContentType("text/xml");
PrintWriter writer = _response.getWriter();
writer.write(regions);
}
catch (Exception e)
{
e.printStackTrace();
}
}
Rajiv
Nisha Akash wrote:
>
> Hello everyone,
>
> There is a problem in my struts 1.x code is that
>
> Suppose I have 2 combobox say country,city & initially country contains
> some countyname from database .Now i want that when we select any item
> or any country from country combobox then other city combobox contains
> data from database according to each country
>
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RE: struts
Posted by Martin Gainty <mg...@hotmail.com>.
any new development you might want to think about starting with Struts2..its AOP based with interceptors
and support ajax controls on the UI with Dojo theme=ajax controls
Below is an example which enables you to use localised text strings to display to the user
http://struts.apache.org/2.0.11.2/docs/localization.html
Martin
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> Date: Sun, 26 Oct 2008 21:31:06 +0100
> From: reno.rkcrew@free.fr
> To: user@struts.apache.org
> Subject: Re: struts
>
> Nisha,
>
> there is no problem in your struts code. Your problem is that Struts
> cannot do this for you except if you send parameters to the action (that
> is a bit heavy)
>
> you can do this using javascript (ajax call to get the datas associated
> to a country)
> check out this post
> http://saloon.javaranch.com/cgi-bin/ubb/ultimatebb.cgi?ubb=get_topic&f=58&t=007607
> and this article
> http://www.omnytex.com/articles/xhrstruts/
> and
> http://www.scribd.com/doc/123490/Ajax-Tutorial
> and
> ....
>
> google is your friend
>
> > Hello everyone,
> >
> > There is a problem in my struts 1.x code is that
> >
> > Suppose I have 2 combobox say country,city & initially country contains
> > some countyname from database .Now i want that when we select any item or
> > any country from country combobox then other city combobox contains data
> > from database according to each country
> >
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: user-unsubscribe@struts.apache.org
> For additional commands, e-mail: user-help@struts.apache.org
>
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Re: struts
Posted by supareno <re...@free.fr>.
Nisha,
there is no problem in your struts code. Your problem is that Struts
cannot do this for you except if you send parameters to the action (that
is a bit heavy)
you can do this using javascript (ajax call to get the datas associated
to a country)
check out this post
http://saloon.javaranch.com/cgi-bin/ubb/ultimatebb.cgi?ubb=get_topic&f=58&t=007607
and this article
http://www.omnytex.com/articles/xhrstruts/
and
http://www.scribd.com/doc/123490/Ajax-Tutorial
and
....
google is your friend
> Hello everyone,
>
> There is a problem in my struts 1.x code is that
>
> Suppose I have 2 combobox say country,city & initially country contains
> some countyname from database .Now i want that when we select any item or
> any country from country combobox then other city combobox contains data
> from database according to each country
>
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