sort json string

how to sort the json string accordingly for the below example ?
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <script>
    function srtodr()
        {
            var testString = "{ 'a':[ { 'Name':'Atest2','Age':'30','Date':'02/08/1988'}, { 'Name':'Zambort','Age':'25','Date':'30/10/1975'}, { 'Name':'Setest','Age':'41','Date':'24/12/1982'} ]} ";
            var oJSON = eval("(" + testString + ")");
            for (var i = 0; i < oJSON.a.length; i++)
            {
                conc.innerHTML = conc.innerHTML + "Name = " + oJSON.a[i].Name;
                conc.innerHTML = conc.innerHTML + " Age = " + oJSON.a[i].Age;
                conc.innerHTML = conc.innerHTML + " Date = " + oJSON.a[i].Date;
                conc.innerHTML = conc.innerHTML + "<br/>";
            }             
        }
    
    </script>
</head>
<body onload="srtodr()">
    <form id="form1" runat="server">
    <div id="conc"></div>
    <div>
      <a href="javascript:void(0)" onclick="srtodr()"> Sort Name </a> ||
       <a href="javascript:void(0)" onclick="srtodr()">Sort Age </a> ||
       <a href="javascript:void(0)" onclick="srtodr()">Sort Date </a> 
    </div>
    </form>
</body>
</html>

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LVL 18
Rajar AhmedConsultantAsked:
Who is Participating?
 
ZvonkoConnect With a Mentor Systems architectCommented:
Here you go:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Zvonko &#42;</title>
    <script>
    function srtodr(sFunc)
        {
            var testString = "{ 'a':[ { 'Name':'Atest2','Age':'30','Date':'02/08/1988'}, { 'Name':'Zambort','Age':'25','Date':'30/10/1975'}, { 'Name':'Setest','Age':'41','Date':'24/12/1982'} ]} ";
            var oJSON = eval("(" + testString + ")");
			conc.innerHTML = "";
			oJSON.a.sort(sFunc);
            for (var i = 0; i < oJSON.a.length; i++)
            {
                conc.innerHTML = conc.innerHTML + "Name = " + oJSON.a[i].Name;
                conc.innerHTML = conc.innerHTML + " Age = " + oJSON.a[i].Age;
                conc.innerHTML = conc.innerHTML + " Date = " + oJSON.a[i].Date;
                conc.innerHTML = conc.innerHTML + "<br/>";
            }             
        }
	function sortName(a,b){
	  if(a.Name>b.Name) return 1;
	  if(a.Name<b.Name) return -1;
	  return 0;
	}
	function sortAge(a,b){
	  return (a.Age*1)-(b.Age*1)
	}
	function sortDate(a,b){
	  var aDate = a.Date.split('/');
	  var bDate = b.Date.split('/');
	  aDate = new Date(aDate[2],aDate[1],aDate[0]);
	  bDate = new Date(bDate[2],bDate[1],bDate[0]);
	  return aDate.getTime()-bDate.getTime();
	}
	
    
    </script>
</head>
<body onload="srtodr(sortName)">
    <form id="form1" runat="server">
    <div id="conc"></div>
    <div>
      <a href="javascript:void(0)" onclick="srtodr(sortName)"> Sort Name </a> ||
       <a href="javascript:void(0)" onclick="srtodr(sortAge)">Sort Age </a> ||
       <a href="javascript:void(0)" onclick="srtodr(sortDate)">Sort Date </a> 
    </div>
    </form>
</body>
</html>

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0
 
Rajar AhmedConsultantAuthor Commented:
almost , but its not changing to descending if d order is asc and vice versa .
0
 
ZvonkoSystems architectCommented:
That is an Example and the rest is your job.

Try to read the example and you will get the solution on your own which is much more worth then cut'n paste  my code.
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ZvonkoSystems architectCommented:
Here a version from 2005: http:Q_21425003.html
0
 
Rajar AhmedConsultantAuthor Commented:
thanks for ur wonderfull code.
i can play  with some filters using this
oJSON.a.reverse();
Hope it will work ..
Meeran03
0
 
ZvonkoSystems architectCommented:
Can you open a new Question for the sorting direction?
0
 
Rajar AhmedConsultantAuthor Commented:
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