vedi se ti può servire
codice:
<HTML>
<HEAD>
<META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0">
<TITLE></TITLE>
<SCRIPT ID=clientEventHandlersJS LANGUAGE=javascript>
<!--
function button1_onclick() {
/*
var tabella = document.getElementById("Tabella1");
if(!tabella) return;
var i, j;
var tabella_n = tabella.childNodes.length;
for(i = 0; i < tabella_n; i++)
if(tabella.childNodes[i].tagName != undefined)
alert(tabella.childNodes[i].tagName);
var tb = tabella.getElementsByTagName("TBODY")[0];
var r = -1, c = -1;
for(i = 0; i < tb.childNodes.length; i++)
if(tb.childNodes[i].tagName != undefined)
{
//alert(tb.childNodes[i].tagName);
r++; c = -1;
for (j = 0; j < tb.childNodes[i].childNodes.length; j++)
{
if(tb.childNodes[i].childNodes[j].tagName != undefined)
{
c++;
alert(r + ", " + c + ": " + tb.childNodes[i].childNodes[j].innerHTML);
}
}
}
return;
*/
var tb = document.getElementById("Tabella1");
if(!tb) return;
var i, j;
var righe = tb.getElementsByTagName("TR");
for(i = 0; i < righe.length; i++)
{
var colonneTD = righe[i].getElementsByTagName("TD");
for(j = 0; j < colonneTD.length; j++)
alert(i + ", " + j + ": " + colonneTD[j].innerHTML);
var colonneTH = righe[i].getElementsByTagName("TH");
for(j = 0; j < colonneTH.length; j++)
alert(i + ", " + j + ": " + colonneTH[j].innerHTML);
}
}
//-->
</SCRIPT>
</HEAD>
<BODY>
<table border="1" id="Tabella1" cellpadding="2" cellspacing="0">
<tr>
<th width="30" height="30">a1</th>
<th width="30" height="30">b1</th>
<th width="30" height="30">c1</th>
<th width="30" height="30">d1</th>
</tr>
<tr>
<td width="30" height="30">a2</td>
<td width="30" height="30">b2</td>
<td width="30" height="30">c2</td>
<td width="30" height="30">d2</td>
</tr>
<tr>
<td width="30" height="30">a3</td>
<td width="30" height="30">b3</td>
<td width="30" height="30">c3</td>
<td width="30" height="30">d3</td>
</tr>
<tr>
<td width="30" height="30">a4</td>
<td width="30" height="30">b4</td>
<td width="30" height="30">c4</td>
<td width="30" height="30">d4</td>
</tr>
</table>
<INPUT type="button" value="Button" id=button1 name=button1 LANGUAGE=javascript onclick="return button1_onclick()">
</BODY>
</HTML>