Answer Posted / sona

function DoPagingOnEnter()
{
var ControlPrefix = $get('<%
=hdnListViewClientID.ClientID%>').value;
if(!
(event.keyCode==48||event.keyCode==49||event.keyCode==50||ev
ent.keyCode==51||event.keyCode==52||event.keyCode==53||event
.keyCode==54||event.keyCode==55||event.keyCode==56||event.ke
yCode==57||event.keyCode==8||event.keyCode == 13))
{
event.returnValue=false;
}
else
{
var number = 0;
var Message;
var PrefixId = $get('<%=hdnNodeID.ClientID%
>').value;
number = $get(ControlPrefix+'txtPage').value;
if(!isNaN(number))
{
if (event.keyCode == 13)
{
var status ='1';
var PageFilter = /^[0-9]+$/;
if(!PageFilter.test($get
(ControlPrefix+'txtPage').value))
{
status='0';
}
else
{
number = parseInt(number);
var MaxPage = 0;
MaxPage = parseInt($get('<%
=hdnMaxPage.ClientID%>').value);
if(1 > number)
{
status ='0';
}
else if(number > MaxPage)
{
status ='0';
}
else
{
status ='1';
}
}
if(status == "0")
{
var mes = "<%
=CommonMessages.InvalidPage%>";
ShowMessage(mes,"<%
=CommonMessages.ErrorHeader%>",'Error');
content_resize();
return false;
}
else
{
__doPostBack
((PrefixId+'$btnPaging'), '');
}
}




<asp:Button ID="btnPaging" runat="server" Text="Button"
Style="height: 26px; display: none"
OnClick="btnPaging_Click" />

then the click event in code behind

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