zoukankan      html  css  js  c++  java
  • 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>&nbsp;<a href="#" onClick="showContent("'previous"')">上一页

    </a>&nbsp;<a href="#" onClick="showContent("'next"')">下一页

    </a>&nbsp;<a href="#" onClick="showContent("'last"')">最后页

    </a></td>';
    content += '</tr>';
    content += '</table>';
    window.document.getElementById("sp_ShowContent").innerHTML=content;
    }
    showContent("first");
    </script>

  • 相关阅读:
    在window10系统下安装redis
    Dubbo 基础用法
    vue处理对象值改变时dom值没有跟着变化的问题
    KMP算法
    Leetcode 502 IPO
    vue页面无法正常渲染的问题
    vue锚点双向绑定
    JavaScript克隆一个对象
    el-table刷新后table出现抖动现象
    el-table组件去掉滚动条的问题
  • 原文地址:https://www.cnblogs.com/dfsxh/p/1367462.html
Copyright © 2011-2022 走看看