Webdiyer的分页控件+通用存储过程+查询+ajax分页

 

default .aspx
<% @ Page Language = " C# "  MasterPageFile = " ~/MasterPage.master "  AutoEventWireup = " true "  CodeFile = " Default.aspx.cs "  Inherits = " _Default "  Title = " Untitled Page "   %>
<% @ Register Assembly = " AspNetPager "  Namespace = " Wuqi.Webdiyer "  TagPrefix = " webdiyer "   %>

< asp:Content ID = " Content1 "  ContentPlaceHolderID = " ContentPlaceHolder1 "  Runat = " Server " >
   < asp:ScriptManager id = " ScriptManager1 "  runat = " server " >
     </ asp:ScriptManager >
      < asp:UpdatePanel ID = " UpdatePanel1 "  runat = " server " >
         < ContentTemplate >
     < asp:Repeater ID = " Repeater1 "  runat = " server " >
             < HeaderTemplate >
               
              
         < table width = " 100% "  border = " 1 "  cellspacing = " 0 "  cellpadding = " 4 "  style = " border-collapse:collapse " >
         < tr style = " backGround-color:#CCCCFF " >< th style = " width:15% " >< asp:Literal ID = " Literal1 "  runat = " server "  Text = " ProductID "   /></ th >< th style = " width:15% " >< asp:Literal ID = " Literal3 "  runat = " server "  Text = " SupplierID "   /></ th >< th style = " width:30% " >< asp:Literal ID = " Literal5 "  runat = " server "  Text = " CategoryID "   /></ th >< th style = " width:20% " >< asp:Literal ID = " Literal2 "  runat = " server "  Text = " QuantityPerUnit "   /></ th ></ tr >
         </ HeaderTemplate >
         < ItemTemplate >
         < tr style = " background-color:#FAF3DC " >
         < td ><% #GetArticleTitleSummary(Convert.ToString(DataBinder.Eval(Container.DataItem, " productname " ))) %></ td >
         < td ><% #DataBinder.Eval(Container.DataItem,  " id " ) %></ td >
         < td ><% #DataBinder.Eval(Container.DataItem,  " productprice " ) %></ td >
         < td ><% #DataBinder.Eval(Container.DataItem,  " productaddtime " ) %></ td >
         </ tr >
         </ ItemTemplate >
         < AlternatingItemTemplate >
         < tr style = " background-color:#eaeaea " >
         < td ><% #GetArticleTitleSummary(Convert.ToString(DataBinder.Eval(Container.DataItem, " productname " ))) %></ td >
         < td ><% #DataBinder.Eval(Container.DataItem,  " id " ) %></ td >
         < td ><% #DataBinder.Eval(Container.DataItem,  " productprice " ) %></ td >
         < td ><% #DataBinder.Eval(Container.DataItem,  " productaddtime " ) %></ td >
         </ tr >
         </ AlternatingItemTemplate >
         < FooterTemplate >
         </ table >
         </ FooterTemplate >
         </ asp:Repeater >
     < asp:TextBox id = " textbox1 "  runat = " server " ></ asp:TextBox >
  < asp:Button id = " button1 "  runat = " server "   OnClick = " btn_search_Click " />
 
  < webdiyer:aspnetpager id = " AspNetPager1 "  runat = " server "  HorizontalAlign = " Center "  Width = " 100% "  pagesize = " 10 "   OnPageChanged = " AspNetPager1_PageChanged "  AlwaysShow = " True " ></ webdiyer:aspnetpager >
  < asp:Label id = " lable1 "  runat = " server " ></ asp:Label >
        </ ContentTemplate >
           </ asp:UpdatePanel >          
</ asp:Content >

default .aspx.cs
using  System;
using  System.Data;
using  System.Configuration;
using  System.Collections;
using  System.Web;
using  System.Web.Security;
using  System.Web.UI;
using  System.Web.UI.WebControls;
using  System.Web.UI.WebControls.WebParts;
using  System.Web.UI.HtmlControls;

public   partial   class  _Default : System.Web.UI.Page
{
    const string vsKey = "searchCriteria";
    const string vsKey1 = "searchCriteria1";
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
  {
  ShowData(string.Empty,string.Empty);
  }
    }
    protected void btn_search_Click(object sender, EventArgs e)
    {
        string s = "productname like '%"+textbox1.Text+"%'";
        ViewState[vsKey] = s;
        string s1 = "where productname like '%" + textbox1.Text + "%' ";
        ViewState[vsKey1] = s1;
         ShowData(s,s1);
        
    }
    private void ShowData(string str1,string str2)
    {
        AspNetPager1.RecordCount = Class1.dddd(str2);
       // lable1.Text = "SELECT COUNT(*) FROM productlistnew " + str2 + "";
        Repeater1.DataSource = Class1.ddd(AspNetPager1.CurrentPageIndex, AspNetPager1.PageSize,str1);
        Repeater1.DataBind();
    }

    protected void AspNetPager1_PageChanged(object sender, EventArgs e)
    {
        ShowData((string)ViewState[vsKey], (string)ViewState[vsKey1]);
       
    }
    protected string GetArticleTitleSummary(string strTitle)
    {
        if (strTitle.Length <= 7)
        {
            return strTitle;
        }
        return (strTitle.Substring(0, 7)  );
    }

}

public class Class1
{
    public static string cs = ConfigurationSettings.AppSettings["SqlServerConnectionString"];
    public static AdoHelper helper = AdoHelper.CreateHelper("sqlDA");

 public static DataSet ddd(int str1, int str2,string str3)// dataset 换成 IDataReader
    {
        IDataParameter[] para = new IDataParameter[7];
        para = helper.GetSpParameterSet(cs, "SP_Pagination");
        para[0].Value = "productlistnew";//表名称,视图
        para[1].Value = "id";//主关键字
        para[2].Value = "id Desc";//排序语句，不带Order By 比如：ArticleID Desc
        para[3].Value = str1;//当前页码
        para[4].Value = str2;//分页尺寸
        para[5].Value = "*";//;要查询的字段
        para[6].Value = str3;// Filter :过滤语句，不带Where
        para[7].Value = "";//Group语句,不带Group By
        return helper.ExecuteDataset(cs, CommandType.StoredProcedure, "SP_Pagination", para);
    }

    public static int dddd(string str4)
    {
       
        return Convert.ToInt32(helper.ExecuteScalar(cs, System.Data.CommandType.Text, "SELECT COUNT(*) FROM productlistnew " + str4 +""));
   
    }
  

 

存储过程

CREATE PROCEDURE SP_Pagination
/*
***************************************************************
**     通用分页存储过程                      **
***************************************************************
参数说明:
1.Tables             :表名称,视图
2.PrimaryKey         :主关键字
3.Sort               :排序语句，不带Order By 比如：NewsID Desc,OrderRows Asc
4.CurrentPage        :当前页码
5.PageSize           :分页尺寸
6.Filter             :过滤语句，不带Where
7.Group              :Group语句,不带Group By
***************************************************************/
(
@Tables varchar(1000),
@PrimaryKey varchar(100),
@Sort varchar(200) = NULL,
@CurrentPage int = 1,
@PageSize int = 10,
@Fields varchar(1000) = '*',
@Filter varchar(1000) = NULL,
@Group varchar(1000) = NULL
)
AS

/*默认排序*/
IF @Sort IS NULL OR @Sort = ''
 SET @Sort = @PrimaryKey

DECLARE @SortTable varchar(100)
DECLARE @SortName varchar(100)
DECLARE @strSortColumn varchar(200)
DECLARE @operator char(2)
DECLARE @type varchar(100)
DECLARE @prec int

/*设定排序语句.*/
IF CHARINDEX('DESC',@Sort)>0
 BEGIN
  SET @strSortColumn = REPLACE(@Sort, 'DESC', '')
  SET @operator = '<='
 END
ELSE
 BEGIN
  IF CHARINDEX('ASC', @Sort) > 0
   SET @strSortColumn = REPLACE(@Sort, 'ASC', '')
  ELSE
   SET @strSortColumn = @Sort
  SET @operator = '>='
 END

IF CHARINDEX('.', @strSortColumn) > 0
 BEGIN
  SET @SortTable = SUBSTRING(@strSortColumn, 0, CHARINDEX('.',@strSortColumn))
  SET @SortName = SUBSTRING(@strSortColumn, CHARINDEX('.',@strSortColumn) + 1, LEN(@strSortColumn))
 END
ELSE
 BEGIN
  SET @SortTable = @Tables
  SET @SortName = @strSortColumn
 END

SELECT @type=t.name, @prec=c.prec
FROM sysobjects o
JOIN syscolumns c on o.id=c.id
JOIN systypes t on c.xusertype=t.xusertype
WHERE o.name = @SortTable AND c.name = @SortName

IF CHARINDEX('char', @type) > 0
   SET @type = @type + '(' + CAST(@prec AS varchar) + ')'

DECLARE @strPageSize varchar(50)
DECLARE @strStartRow varchar(50)
DECLARE @strFilter varchar(1000)
DECLARE @strSimpleFilter varchar(1000)
DECLARE @strGroup varchar(1000)

/*默认当前页*/
IF @CurrentPage < 1
 SET @CurrentPage = 1

/*设置分页参数.*/
SET @strPageSize = CAST(@PageSize AS varchar(50))
SET @strStartRow = CAST(((@CurrentPage - 1)*@PageSize + 1) AS varchar(50))

/*筛选以及分组语句.*/
IF @Filter IS NOT NULL AND @Filter != ''
 BEGIN
  SET @strFilter = ' WHERE ' + @Filter + ' '
  SET @strSimpleFilter = ' AND ' + @Filter + ' '
 END
ELSE
 BEGIN
  SET @strSimpleFilter = ''
  SET @strFilter = ''
 END
IF @Group IS NOT NULL AND @Group != ''
 SET @strGroup = ' GROUP BY ' + @Group + ' '
ELSE
 SET @strGroup = ''
 
/*执行查询语句*/
EXEC(
'
DECLARE @SortColumn ' + @type + '
SET ROWCOUNT ' + @strStartRow + '
SELECT @SortColumn=' + @strSortColumn + ' FROM ' + @Tables + @strFilter + ' ' + @strGroup + ' ORDER BY ' + @Sort + '
SET ROWCOUNT ' + @strPageSize + '
SELECT ' + @Fields + ' FROM ' + @Tables + ' WHERE ' + @strSortColumn + @operator + ' @SortColumn ' + @strSimpleFilter + ' ' + @strGroup + ' ORDER BY ' + @Sort + '
'
)

GO