手写的ajax分页控件

/**************************

  创建XMLHttpRequest对象
 
**************************/
function CreateRequest()
{
    var xmlObj = null;
    try
    {
        xmlObj = new XMLHttpRequest();
    }
    catch(e)
    {
        try
        {
            xmlObj = new ActiveXObject("MSXML2.XMLHTTP");
        }
        catch(e2)
        {
            try
            {
                xmlObj = new ActiveXObject("Microsoft.XMLHTTP");
            }
            catch(e3)
            {
                xmlObj = null;
            }
        }
    }
   
    if ( !xmlObj && typeof XMLHttpRequest != "undefined" )
    {
        xmlObj=new XMLHttpRequest();
    }
    return xmlObj;
}

function  Poress(weburl,objID) 

... {

    var objP = document.getElementById(objID) //得到父控件 

     xmlhttp  CreateRequest(); 初始化个xmlhttp对象     xmlhttp.open("get,weburl,true); 提交数据    xmlhttp.onreadystatechangefunction() 

    ...{ 

        if(xmlhttp.readyState==4)4代表成功返回数据 

        ...{ 

             result  xmlhttp.responseText;得到服务器返回的数据             (result.indexOf(##Err##>=0)

            ...{

                pageresult.substr());

                 regExp=/page([-9]*/i;

                weburlchkUrl(weburl,regExp,0);">page=+page);

                Poress(weburl,objID);

            }

            else

            objP.innerHTMLresult;

        }

    };

    xmlhttp.send(null发送数据，请注意顺序和参数，参数一定为null或者"" 

}

 changeUrl(weburl,divID)

...  txtPagedocument.getElementById(txtPage);

    (txtPage!=)

    ...{

         pagetxtPage.value;

        i;

        weburlpage);

    }

    (divID.length)

        location.hrefweburl;

    

        Process(weburl,divID);

}

 changePage(page)

... );

    txtPage.valuepage;

}  chkUrl(url,parma)

... (url.indexOf(?<)

        url+=parma;

     (regExp.test(url))

    ...{

        urlurl.replace(regExp,parma);

    }

        url&return url;

}  changeOrderUrl(weburl,divID,ascValue)

...  drpSortBydrpSortBy btnOrderbtnOrder);

    SortBy^&i;

    weburlSortBy=drpSortBy.value);

    

    (btnOrder.valueascValue)

        strSortOrderDESC

        strSortOrderASC

        

    regExpSortOrderSortOrder=strSortOrder);

     changeOrder()

... );

    btnOrder.value'';

}

ascx
请自己设置载入JS文件

<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="PageControl.ascx.cs" Inherits="DonDear.Web.UserControls.PageControl" %>
<asp:Literal ID="ltPage" runat="server"></asp:Literal>

cs

using  System;

 System.Data;

 System.Configuration;

 System.Collections;

 System.Text.RegularExpressions;

 System.Text;

 System.Web;

 System.Web.Security;

 System.Web.UI;

 System.Web.UI.WebControls;

 System.Web.UI.WebControls.WebParts;

 System.Web.UI.HtmlControls;

 DonDear.Utility;

namespace  DonDear.Web.UserControls

... publicpartialclass PageControl : System.Web.UI.UserControl

    ...string mStyleClass ""首页尾页上页下页Go;

        int mPage 201215bool mShowButton false mContentID ;

         ContentID

        ...{

            set ...{ this.mContentID  value; }

        }

         StyleClass

        ...{

            ....mStyleClass  SelectedStyleClass

        ...{

            ....mSelectedStyleClass 

         InputStyle

        ...{

            ....mInputStyle  ButtonStyle

        ...{

            ....mButtonStyle  FirstPage

        ...{

            ....mFirstPage  LastPage

        ...{

            ....mLastPage  PrePage

        ...{

            ....mPrePage  NextPage

        ...{

            ....mNextPage  GoPage

        ...{

            ....mGoPage  ToPage

        ...{

            ....mPage 

            get....mPage; } PageSize

        ...{

            ....mPageSize 

            ....mPageSize; } TotalCount

        ...{

            ....mTotalCount; }

            ....mTotalCount  ShowCount

        ...{

            ....mShowCount  ShowButton

        ...{

            ....mShowButton  ShowFix

        ...{

            ....mShowFix protectedvoid Page_Load(object sender, EventArgs e)

        ...{

             webUrl .Request.Url.ToString();

            Regex regExp new Regex(Page=([-0-9]*)

             (!Page.IsPostBack)

            ...{

                 pageCount 1;

                >)

                ...{

                     ((mTotalCount % mPageSize) )

                        pageCount  mTotalCount  mPageSize;

                    

                        pageCount  (mTotalCount ;

                }

                StringBuilder sb  StringBuilder();

                

                 (Request.QueryString[Page] &&.mPage)

                     Convert.ToInt32(Request.QueryString[]);

                )

                ...;

                    webUrl  StrHelper.ReplaceUrl(webUrl, regExp, Page=1);

                    Response.Redirect(webUrl);

                }

                 pageCount)

                ... pageCount;

                    webUrl Page= pageCount.ToString());

                    Response.Redirect(webUrl);

                }

                ... strScript javascript:changeUrl('','');;

                     strClick                     <=)

                        sb.Append(<a  mFirstPage </a> <a  mPrePage </a> );

                    

                    ...{

                        strClick changePage(1); strScript;

                        sb.Append(<a href='javascript:;' οnclick="" );

                        strClick changePage() ););

                    }

                     befPageCount 2 pageCount;

                     pageCount)

                         (()

                        midPage 

                        midPage ;

                    befPageCount  midPage ;

                    nextPageCount  midPage;

                    }

                     midPage)

                    ...{

                        fromPage  midPage);

                        toPage  midPage;

                    }

                        toPage .mShowCount;

                     midPage)  pageCount)

                    ...;

                        toPage  pageCount;

                    }

                     (fromPage .mShowFix)

                        sb.Append(>...</a> );

                    for i  fromPage; i  toPage; i++)

                    ...{

                         (i .mPage)

                            sb.Append();

                        

                        ...{

                            strClick  strScript;

                            sb.Append();

                        }

                    } (toPage  pageCount)

                        sb.Append(

                    ... mNextPage  mLastPage  strStyle .mShowButton)

                    ...{

                        strStyle display:none;;

                    }

                    sb.Append(<input size='3px' type='text' id='txtPage' value=''  mInputStyle  style='width: 23px;'> <input type='button' id='btnGo' οnclick=" mButtonStyle  value=' mGoPage ' style='' /> );

                }.ltPage.Text  sb.ToString();

            }

}

 

原文地址：https://blog.csdn.net/lee576/article/details/2040092