小小ajax分页
default.aspx.cs:
public partial class _Default : System.Web.UI.Page
{
string connectString = "";
protected void Page_Load(object sender, EventArgs e)
{
AjaxPro.Utility.RegisterTypeForAjax(typeof(_Default));
}
[AjaxPro.AjaxMethod]
public DataTable GetDataTable()
{
SqlDataAdapter ad = new SqlDataAdapter("select * from tableName",
connectString);
DataSet ds = new DataSet();
ad.Fill(ds);
int num = ds.Tables[0].Rows.Count;
return ds.Tables[0];
}
}
default.aspx:
<%@ Page Language="C#" AutoEventWireup="true"
CodeFile="Default.aspx.cs" Inherits="_Default" %>
<html>
<head runat="server">
<title></title>
<script language="javascript">
var dtObj=new Object();
function stringToInteger(inputString)
{
if(inputString == null || inputString == "")
{
return 0;
}
else
{
try
{
return parseInt(inputString);
}
catch(e)
{
return 0;
}
}
}
function numberToString(inputNumber)
{
return inputNumber.toString();
}
function getUrlParam(param)
{
var url=window.location.search.substring(1);
var paramArray=url.split("&");
for(var i=0;i<paramArray.length;i++)
{
var pramArraySub=paramArray[i].split("=");
if(pramArraySub[0]==param && pramArraySub[1] != "undefined")
return pramArraySub[1];
}
return "";
}
//
var pageSize=5;
//var pageNo=stringToInteger(getUrlParam("pageno"));
</script>
</head>
<body>
<form id="form1" runat="server">
<div align=center><span id="sp_ShowContent"></span></div>
</form>
</body>
</html>
<script language=javascript>
var pageNo =0;
var dtObj = new Object();
dtObj=_Default.GetDataTable().value;
var totalPage=0;
var totalRecord = dtObj.Rows.length;
if((dtObj.Rows.length%pageSize)==0)
totalPage = dtObj.Rows.length/pageSize;
else
totalPage = Math.ceil(dtObj.Rows.length/pageSize);
function showContent(op)
{
if(op == "first")
{
pageNo = 0;
}
else if(op == "previous")
{
if(pageNo>0)
pageNo-=1;
else
pageNo=0;
}
else if(op == "next")
{
if(pageNo<totalPage-1)
pageNo+=1;
else
pageNo = totalPage-1;
}
else if(op == "last")
{
pageNo=totalPage-1;
}
else
{
pageNo=0;
}
var content = "";
var startRecord = pageNo*pageSize;
var endRecord = 0;
if(pageNo>=totalPage-1)
endRecord = totalRecord;
else
endRecord = (pageNo+1)*pageSize;
content = '<table width="75%" border="1" cellspacing="0"
bordercolordark="#FFFFFF" bordercolorlight="#339900">';
content += '<tr>';
content += '<td width="45%">编号</td>';
content += '<td width="55%">用户名</td>';
content += '</tr>';
for(var i=startRecord;i<endRecord;i++)
{
content += '<tr>';
content += '<td width="45%">'+dtObj.Rows[i]["ID"]
+'</td>';//ID,UserName is Column Name
content += '<td width="55%">'+dtObj.Rows[i]["UserName"]+'</td>';
content += '</tr>';
}
content += '<tr align="center">';
content += '<td colspan="2"><a href="#" _fcksavedurl=""#""
_fcksavedurl=""#"" _fcksavedurl=""#"" _fcksavedurl=""#""
_fcksavedurl=""#"" onClick="showContent("'first"')">第一页
</a> <a href="#" onClick="showContent("'previous"')">上一页
</a> <a href="#" onClick="showContent("'next"')">下一页
</a> <a href="#" onClick="showContent("'last"')">最后页
</a></td>';
content += '</tr>';
content += '</table>';
window.document.getElementById("sp_ShowContent").innerHTML=content;
}
showContent("first");
</script>