want data base connection in focus lost of a textbox in the table

i wrote a code in jsp to create dynamic table..the problem is i need data base connection when cursor moves from one cell to other...
eg...when i enter product id in the first cell, the product name and its rate should come in the next two cells...it should take from the data base...

it's my code........

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 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 

"http://www.w3.org/TR/html4/loose.dtd" > 

<%@ page import="java.sql.*" %> 

<%@ page import="java.io.*" %> 
 
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
 
<head>

  <title></title>

<script language="JavaScript" type="text/javascript">

/*<![CDATA[*/
 
    var i=1,j=0,k=0,tot=0,vat=0,totrow=0;

function Add(id){

 var id1='ta'+i;

 var id2='tb'+i;

 var id3='tc'+i;

 var id4='td'+i;

 var id5='te'+i;

 var table=document.getElementById(id);

 var tbody=table.getElementsByTagName('TBODY')[0];

 var newrow=tbody.appendChild(table.rows[0].cloneNode(true));

// newrow.getElementsByTagName('SELECT')[0].selectedIndex=0; for combobox

 newrow.getElementsByTagName('INPUT')[0].value='';

 newrow.getElementsByTagName('INPUT')[0].id=id1;

 newrow.getElementsByTagName('INPUT')[0].name=id1;
 
 newrow.getElementsByTagName('INPUT')[1].value='';

 newrow.getElementsByTagName('INPUT')[1].id=id2;

 newrow.getElementsByTagName('INPUT')[1].name=id2;
 
 newrow.getElementsByTagName('INPUT')[2].value='';

 newrow.getElementsByTagName('INPUT')[2].id=id3;

 newrow.getElementsByTagName('INPUT')[2].name=id3;
 
 newrow.getElementsByTagName('INPUT')[3].value='';

 newrow.getElementsByTagName('INPUT')[3].id=id4;

 newrow.getElementsByTagName('INPUT')[3].name=id4;
 
 newrow.getElementsByTagName('INPUT')[4].value='';

 newrow.getElementsByTagName('INPUT')[4].id=id5;

 newrow.getElementsByTagName('INPUT')[4].name=id5;
 
 newrow.getElementsByTagName('INPUT')[5].checked=false;

 i++;

}
 
function Remove(id,nme){

 var table=document.getElementById(id);

 var rows=table.rows;

 for (var remove=[],zxc0=0;zxc0<rows.length;zxc0++){

  var cb=rows[zxc0].getElementsByTagName('INPUT')[5];

  if (cb&&cb.name==nme&&cb.checked){

   remove.push(rows[zxc0]);

  }

 }

 if (remove.length==rows.length) return alert('U cant remove all rows');

 for (var zxc1=0;zxc1<remove.length;zxc1++){

  remove[zxc1].parentNode.removeChild(remove[zxc1]);

 }

}
 
/*

function Remove(id){

 var table=document.getElementById(id);

 var rows=table.rows;

 for (var zxc0=0;zxc0<rows.length;zxc0++){

  if (rows[zxc0].getElementsByTagName('INPUT')[5].checked){

   rows[zxc0].parentNode.removeChild(rows[zxc0]);

   zxc0--;

  }

 }

}

*/

function showText(tid,bid)

{

    var txt=document.getElementById(tid);

    var but=document.getElementById(bid);

    txt.type="textbox";

    but.type="button";

    //but.onclick="hideText()";

    alert("Please Enter Purchase.Order.No and click OK");

}

function hideText(tid1,bid1)

{

    var txt1=document.getElementById(tid1);

    var but1=document.getElementById(bid1);

    txt1.type="hidden";

    but1.type="hidden";
 
}

function test(tt0)

{

    var dd='ta'+j;

    var ttxt0=document.getElementById(tt0);

    var ttxt1=document.getElementById(dd);

    var ppnam=ttxt1.value;

    //var ppnam=ttxt1.value;

    ttxt0.value=ppnam;

    j++;
 
}

function test5(tt5)

{

    var dd3='tc'+k;

    var dd4='td'+k;
 
    var ttxt5=document.getElementById(tt5);

    var ttxt3=document.getElementById(dd3);

    var ttxt4=document.getElementById(dd4);
 
    var num2=ttxt4.value;

    var num1=ttxt3.value;
 
    var val=0;

    val=parseFloat(num1) * parseFloat(num2);

    ttxt5.value=val;

    k++;

}

function cal(id)

{

    var table=document.getElementById(id);

    var rows=table.rows;

    for (var zxc0=0;zxc0<rows.length;zxc0++)

     {

        //tot=tot+5;

        tot=parseFloat(tot)+parseFloat((rows[zxc0].getElementsByTagName('INPUT')[4].value));

        totrow++;

     }

     vat=parseFloat(tot/12.5);

     document.product.vate.value=vat;

     document.product.total.value=parseFloat(vat+tot);

     document.product.rcount.value=totrow;

     vat=0;

     tot=0;

     totrow=0;

}

</script>
 
<body>
 
<form name="product" action="mynew.jsp" method="get">

<table id="head" border="1">

<tbody>

<tr><td colspan="50"><b>&nbsp;Product Id&nbsp;&nbsp;&nbsp;</b></td><td colspan="50"><b>&nbsp;Product Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</b></td><td colspan="50"><b>&nbsp;Quantity&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</b></td><td colspan="30"><b>&nbsp;Rate&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</b></td><td colspan="30"><b>&nbsp;Value&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></b></td>

  </tr>

</tbody>

</table>

<table id="tst" border="1">

<tbody>

  <tr>

    <td>

    <input name="ta0" type="textbox" size="10" id="ta0"/>

    <input name="tb0" type="textbox" size="30" id="tb0" onfocus="test(id);"/>

    <input name="tc0" type="textbox" size="10" id="tc0"/>

    <input name="td0" type="textbox" size="10" id="td0"/>

    <input name="te0" type="textbox" size="10" id="te0" onfocus="test5(id);" readonly/>

    <input type="checkbox" name="bb[]" id="cbox"/></td>

  </tr>

</tbody>

</table>

<input type="button" name="" value="Add" onclick="Add('tst');"/>

<input type="button" name="" value="Remove" onclick="Remove('tst','bb[]');"/>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

<input name="txt1" type="hidden" id="textid" size="10"/>
 
<input name="" value="OK" type="hidden" id="buttonid" size="10" onclick="hideText('textid','buttonid');"/>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 
<input type="button" value="calculate" onclick="cal('tst');"/>

<br>

<br>

Vat:&nbsp;&nbsp;

<input type="textbox" name="vate"/>

<br>

<br>

Total:

<input type="textbox" name="total"/>

<br>

<br>

<input type="button" name="" value="Edit" onclick="showText('textid','buttonid');"/>

<input type="submit" name="" value="Save"/>

<br>

<br>

<input type="textbox" name="rcount"/>

<%
 
%>

<br>
 
<%

 int count=0;

  try { count = Integer.parseInt(request.getParameter("rcount")); 

  }

    catch (Throwable t) { }
 
 String pid[]=new String[count];

 String pnam[]=new String[count];

 String qtyt[]=new String[count];

 String rate[]=new String[count];

 String value[]=new String[count];

 String vatt=null,tot=null;
 
%>
 
<input type="textbox" name="rnum" value=<%=count%>>
 
</form>
 
</body>

</head>

</html>

Sep 22 '08 #1

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2438

r035198x

13,262

8TB

Please use code tags when posting code.
What you need is usually done using AJAX these days.

Sep 23 '08 #2

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