<script language="javascript" type="text/javascript">
function showAlert() {
// document.getElementById('isMultifaults'). = '1';
document.getElementById("isMultifaults").value = "1";
// document.getElementById('isMultifaults').innerText = "wo riririr";
//form1.elements
alert("goes into javascript:" + document.getElementById("isMultifaults").value);
document.getElementById('fault2').style.display = 'table-row';
document.getElementById('fault2con').style.display = 'table-row';
document.getElementById('fault2rcon').style.display = 'table-row';
}
</script>
solution: <td style="display:none">
<asp:Textbox ID="isMultifaults" runat= "server" Text="0"/>
</td>