请编程前辈高手帮帮我，帮我看一下这一篇源码哪个地方限制了数据的数量谢谢
<%@ Page language="c#" Codebehind="data_grid.aspx.cs" AutoEventWireup="True" Inherits="gzcx.aspx.data_grid" %><%@ Register TagPrefix="uc1" TagName="Pager" Src="../../modules/Pager.ascx" %>
<HTML>
<HEAD>
<title></title>
<meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
<meta content="C#" name="CODE_LANGUAGE">
<meta content="JavaScript" name="vs_defaultClientScript">
<LINK href="../../css/style.css" type="text/css" rel="stylesheet">
<script language="JavaScript" src="../../js/Calendar.js" type="text/javascript"></script>
<script language="JavaScript" src="../../js/common.js" type="text/javascript"></script>
<script language="javascript" src="../../js/My97DatePicker/WdatePicker.js" defer type="text/javascript"></script>
<script language="JavaScript">
function chkSelected()
{
var fm=document.forms[0];
var ys=fm.Pager1_ddl_page.options[fm.Pager1_ddl_page.selectedIndex].text; //表格当前页数
var hs=fm.Pager1_listRowNum.options[fm.Pager1_listRowNum.selectedIndex].text; //表格显示行数
var bRet = false;
var dg = document.getElementById("gdv");
var stemp="";
var id="";
var sid=document.getElementById("tb_s_id").value;
var eid=document.getElementById("tb_e_id").value;
if (sid==null||sid==""||isNaN(sid))
{
alert("请输入正确起始序号!");
return false;
}
if (eid==null||eid==""||isNaN(eid))
{
alert("请输入正确截止序号!");
return false;
}
var hdid=document.getElementById("hd_id").value;
var arr=hdid.split(",");
for(var i=2; i<=dg.rows.length; i++)
{
id=dg.rows[i-1].cells[0].innerHTML;
if (parseInt(id)>=parseInt(sid)&&parseInt(id)<=parseInt(eid))
{
if (stemp=="")
{
stemp=arr[id-(ys-1)*hs-1];
}
else
{
stemp+=","+arr[id-(ys-1)*hs-1];
}
bRet = true;
}
}
if (stemp=="")
return false;
document.getElementById("hd_temp_id").value=stemp;
return bRet;
}
</script>
</HEAD>
<body >
<form id="Form1" runat="server">
<br><table id="Table4" align="center" border="0" cellpadding="0" cellspacing="0" width="98%">
<tr>
<td colspan="3">
<table id="Table5" border="0" cellpadding="0" cellspacing="1" class="sys_grid" width="100%">
<tr>
<td align="left" class="sys_head_cell"><IMG src="../../Image/search.gif" align="absMiddle">
员工工资信息</td>
</tr>
<tr>
<TD class="sys_grid_cell_label" align="left" colSpan="2" height="25">
<asp:DropDownList ID="ddl_model" runat="server" AutoPostBack="True" OnSelectedIndexChanged="ddl_model_SelectedIndexChanged" >
</asp:DropDownList>
<asp:dropdownlist id="ddl_tj" runat="server">
<asp:ListItem Value="p.per_id">工号</asp:ListItem>
<asp:ListItem Value="p.per_name">员工姓名</asp:ListItem>
<asp:ListItem Value="d.dept_name">部门</asp:ListItem>
</asp:dropdownlist><asp:textbox id="tb_value" runat="server" Width="100px"></asp:textbox> <asp:Label
ID="Label1" runat="server" Text="部门："></asp:Label>
<asp:DropDownList ID="ddl_dept" runat="server" Width="115px" AutoPostBack="True" OnSelectedIndexChanged="ddl_dept_SelectedIndexChanged"/>
<asp:Label ID="Label2" runat="server" Text="年月："></asp:Label>
<input id="txtsdate" runat="server" class="stringedit" name="txtsdate" onfocus="WdatePicker({dateFmt:'yyyy-M'})"
size="15" style="height: 22px" type="text" />
<asp:button id="bntQuery" runat="server" Text=" 查询 " CssClass="sys_button" onclick="bntQuery_Click"
Width="39px"></asp:button> <asp:button id="Button1" runat="server" Text="导出数据" CssClass="sys_button" OnClick="Button1_Click"></asp:button>
<asp:Button ID="btn_model" runat="server" CssClass="sys_button" Text="导出工资模版" OnClientClick="javascript:Totemplate('gdv')"
ForeColor="Red" Font-Bold="True" OnClick="btn_model_Click" /></TD>
</tr>
</table>
<asp:GridView ID="gdv" runat="server" AllowPaging="True" AllowSorting="True"
CssClass="sys_grid" OnRowDataBound="gdv_RowDataBound" Width="100%" ShowFooter="True" >
<HeaderStyle CssClass="sys_grid_head_cell" />
<PagerSettings Visible="False" />
<RowStyle HorizontalAlign="Center" Height="25px" />
<FooterStyle BackColor="#FFFFC0" />
</asp:GridView> <uc1:pager id="Pager1" runat="server"></uc1:pager><INPUT id="hd" type="hidden" name="hd" runat="server">
</TD>
</TR>
</TABLE>
<br>
<table align="center" border="0" cellpadding="0" cellspacing="0" width="98%">
<tr>
<td colspan="3" style="height: 25px" align="right">
<asp:Label ID="Label3" runat="server" Text="批量删除记录： 序号从"></asp:Label>
<asp:TextBox ID="tb_s_id" runat="server" Width="40px"></asp:TextBox>
<asp:Label ID="Label4" runat="server" Text="至"></asp:Label>
<asp:TextBox ID="tb_e_id" runat="server" Width="40px"></asp:TextBox>
<asp:Button ID="btn_delete" runat="server" OnClick="btn_delete_Click" Text="确定删除" OnClientClick="javascript: return chkSelected();" />
<INPUT id="hd_temp_id" type="hidden" name="hd_temp_id" runat="server" style="width: 9px">
<INPUT id="hd_id" type="hidden" name="hd_id" runat="server" style="width: 9px">
</td>
</tr>
</table>
</form>
<script language="javascript">
var s='<%=url%>';
if (s!='')
{
window.showModalDialog('<%=url%>','','dialogWidth:620px;dialogHeight:550px;help:no;status:no;dialogHide:yes;scrollbars:no');
s='';
window.location="data_gtj="+document.getElementById('ddl_tj').value+"&value="+document.getElementById('tb_value').value+"&ym="+document.getElementById
('txtsdate').value+"&model="+document.getElementById('ddl_model').value; rid.aspx?
}
function OnRowClickRefresh(s1)
</script>
</body>
</HTML>
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