How to display array values in textfield?

i am creating student details with mysql database using JSON to get values and display in xcode.i got json array values from php and converted to NSMuatable array. my array result
    firstName = hari;
    lastname = krishna;
    age=10;
    fathername=ragav;
    firstName = priya;
    lastname = amirtha;
    age=8;
    fathername=ravi;
now i want to display values iwhen i am enter firstname other field values display  in  textfiled  on button click.how to do that .help me .thanks in advance.
i am very new to xcode.

Hi,
I think that its necessaries to use AJaX.
I am implemeting something like that.
I have a input text that works like a filter and depends on what my user types in input text I populate my table with some information.
In order to do that, I put in my JSP a div with an Id and I used ajax, like that:
function ajaxFunction()
          var xmlhttp;
          if (window.XMLHttpRequest)
          xmlhttp=new XMLHttpRequest();
          else if (window.ActiveXObject)
          // code for IE6, IE5
          xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
          else
          alert("Your browser does not support XMLHTTP!");
          xmlhttp.onreadystatechange=function()
                                                  if( xmlhttp.readyState==4 )
                                                       document.getElementById("tabelaResponsaveis").innerHTML = xmlhttp.responseText;
     var resp = "<f:invokeUrl var='solicitacao' methodName='getResponsaveis'/>";
     xmlhttp.open("POST",resp,true);
     xmlhttp.send(null);
getResponsaveis is a method inside my BPM that returns a HTML code (the table HTML code with all the information that I need to show.
I Hope to help
Thanks Marcos

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