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">

<asp:Repeater ID="Repeater1" runat="server">

</HeaderTemplate>

</tr>

</ItemTemplate>

</tr>

</AlternatingItemTemplate>

</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 + '
'
)

posted on 2008-09-06 22:51 草原和大树阅读(1148) 评论(2) 编辑收藏举报