Webdiyer的分页控件+通用存储过程+查询+ajax分页

时间：2011-05-24 来源：EudemoniaLei

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 + '
'
)