• 【转】分页控件ASPNETPAGET


    最近开发项目的时候用到了分页控件ASPNETPAGET,现在将使用心得记录在此
    1添加存储过程





    --第二个存储过程
    /*
    ***************************************************************
    **  千万数量级分页存储过程  **
    ***************************************************************
    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

    ***************************************************************/
    CREATE  PROCEDURE ComPagerData(
        @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', '')
        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


    和存储过程
    -- Add the parameters for the stored procedure here
    -- =============================================
    -- Author:    <caizhenfang>
    -- ALTER  date: <2007-05-30>
    -- Description:    <读取数据记录数量>
    -- =============================================
    CREATE PROCEDURE ComPagerCount(
        @Tables varchar(50),            --表
        @PrimaryKey varchar(50),        --主键
        @Filter varchar(800) = NULL,    --:条件过滤,不带 Where
        @Sort varchar(200) = Null,        --:排序,不带 order by
        @PageSize int,                    --分页大小
        @CurrentPage int,                --分页索引
        @docount bit                    --if true 则仅读取总记录数
    )
    as
    Declare @sCondit varchar(800)
    Declare @sOrder  varchar(200)
    if @Filter IS NOT NULL AND @Filter != ''
        SET @sCondit = ' WHERE ' + @Filter
    else
        SET @sCondit = ''
    if @Sort IS Null And @Sort = ''
        Set @sOrder = ' ORDER By '+ @PrimaryKey
    else
        Set @sOrder = ' ORDER By '+ @Sort
    BEGIN
      Begin Tran
        set nocount on
        IF(@docount=1)
          exec('select count('+ @PrimaryKey +') from '+ @Tables + @sCondit)
        ELSE
        begin
          declare @PageLowerBound int
          declare @PageUpperBound int
          set @PageLowerBound=(@CurrentPage-1)*@PageSize
          set @PageUpperBound=@PageLowerBound+@PageSize
          create table #pageindex(id int identity(1,1) not null,nid int)
          set rowcount @PageUpperBound
          exec('insert into #pageindex(nid)
          select '+ @PrimaryKey +' from '+ @Tables + @sCondit + @sOrder )
       
          Exec('SELECT O.* FROM '+ @Tables +' O,#pageindex p WHERE O.'
          + @PrimaryKey +'=p.nid and p.id>'+ @PageLowerBound +' and p.id<='+ @PageUpperBound +' order by p.id')
        END
        set nocount off
      If (@@Error=0) Commit Tran
      Else ROLLBACK Tran
    END



    GO
    2添加类库
    ///////////////////////////////////////////////////////////
    //名称:SelectPager.cs
    //用途:分页函数
    //作者:蔡振芳

    //时间:2007-5-22
    //修改:
    //描述:所有列表分页函数
    ////////////////////////////////////////////////////////////
    using System;
    using System.Collections;
    using System.Collections.Generic;
    using System.Text;
    using System.Data;
    using System.Data.Common;

    using Microsoft.Practices.EnterpriseLibrary.Data;
    using Microsoft.Practices.EnterpriseLibrary.Common;


    namespace Dinge.CnGameAD.DataAccess
    {
        public class SelectPager
        {
            /// <summary>
            /// 执行存储过程,返回数据记录条数
            /// </summary>
            /// <param name="PageIndex">开始索引</param>
            /// <param name="hashtable">存储过程参数列表,参数必须包括 Key1:@Tables,Value1:表名称,Key2:@Filter,Value2:查询字符串</param>
            /// <param name="DataBaseSelect">数据库选择 1:CnGameAD_Base 基础数据库,2:CnGameAD_Report报表数据库,3:CnGameAD_Log日志数据库</param>                    
            /// <returns>返回整型</returns>
            public static int ReadRowsCount(Hashtable hashtable,int DataBaseSelect)
            {
                int row = 0;
                Database DBAdmin = DatabaseFactory.CreateDatabase("EipString");//连接数据库类别
                DataSet DSAdmin = null;
              
                try
                {
                  
                    DbCommand ComAdmin = DBAdmin.GetStoredProcCommand("ComPagerCount");//分页存储过程
                    DBAdmin.AddInParameter(ComAdmin, "@PrimaryKey", DbType.String, "ID");//表主键
                    DBAdmin.AddInParameter(ComAdmin, "@PageSize", DbType.Int32, 10);//分页大小
                    DBAdmin.AddInParameter(ComAdmin, "@CurrentPage", DbType.Int32, 1);//当前页
                    DBAdmin.AddInParameter(ComAdmin, "@docount", DbType.Int32, 1);//是只统计数据 

                    foreach (DictionaryEntry fn in hashtable)
                    {
                        DBAdmin.AddInParameter(ComAdmin, (string)fn.Key, DbType.String, (string)fn.Value);
                    }
                    //得到输出参数的值,注意转化返回值类型
                    row = (int)DBAdmin.ExecuteScalar(ComAdmin);
                }
                catch (Exception ex)
                {

                    return 0;
                }
                return row;
            }

            /// <summary>
            /// 执行存储过程,返回分页数据集
            /// </summary>
            /// <param name="PrimaryKey">存储过程名</param>
            /// <param name="CurrentPage">表主键</param>
            /// <param name="PageSize">分页大小</param>
            /// <param name="oValue">存储过程参数数组,参数必须包括 Key1:@Tables,Value1:表名称,Key2:@Filter,Value2:查询字符串</param>
            ///                                                     Key3:@Fields,Value3:选择字段名,Key4:@Sort,Value4:排序方式,不带Order By可以为''
            ///                                                     Key3:@Group,Value3:分组方式,不带Group By,可以为''
            ///
            /// <param name="DataBaseSelect">数据库选择 1:CnGameAD_Base 基础数据库,2:CnGameAD_Report报表数据库,3:CnGameAD_Log日志数据库</param>     
            /// <returns>DataSet</returns>
            public static DataSet ReadPageData(int PageIndex, int PageSize, Hashtable hashtable, int DataBaseSelect)
            {
                Database DBAdmin = DatabaseFactory.CreateDatabase("EipString");//连接数据库类别
                DataSet DSAdmin = null;

              
                try
                {
                    //DBAdmin = DatabaseFactory.CreateDatabase("CnGameAD_Base");
                    DbCommand ComAdmin = DBAdmin.GetStoredProcCommand("ComPagerData");//分页存储过程
                    DBAdmin.AddInParameter(ComAdmin, "@PrimaryKey", DbType.String, "ID");//表主键
                    DBAdmin.AddInParameter(ComAdmin, "@PageSize", DbType.Int32, PageSize);//分页大小
                    DBAdmin.AddInParameter(ComAdmin, "@CurrentPage", DbType.Int32, PageIndex);//当前页  

                    foreach (DictionaryEntry fn in hashtable)
                    {
                        DBAdmin.AddInParameter(ComAdmin, (string)fn.Key, DbType.String, (string)fn.Value);
                    }
                    DSAdmin = new DataSet();
                    DSAdmin = DBAdmin.ExecuteDataSet(ComAdmin);
                }
                catch (Exception ex)
                {
                  
                    return null;
                }
                return DSAdmin;
            }
        }
    }
    3在第2步中引入企业库名称空间
    4实现分页程序
    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;

    using Dinge.CnGameAD.DataAccess;

    public partial class TestAspNetPager : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
          

            if (!Page.IsPostBack)
            {
                LoadDataBind();
            }
        }

        /// <summary>
        /// 数据查询与绑定
        /// </summary>
        /// <param name="PageIndex">开始页</param>
        private void LoadDataBind()
        {
         

            Hashtable hsTableCount = new Hashtable();//记录查询数据数量
            Hashtable hsTableData = new Hashtable();//记录查询结果数据集

            ////建立逻辑对象
            string keywords = "ID";
            string Fields = string.Empty;//查询字段
            string Filter = string.Empty;//查询条件
            string Group = string.Empty;//分组方式,不带 Group By
            string Sort = string.Empty;//排序方式,不带 Order By
            Sort = "id DESC";
            Fields = "ID";

            Fields = "ID,reportowner,MtSucceedNum,MtErorNum,MoNum";

         //   Filter = Filter + "reportowner" + "=1" + " and ";


          Filter = Filter + "reportowner=" + Convert.ToInt64(Session["ID"]) +" and ";

          Filter = Filter + "1=1";

            hsTableCount.Add("@Tables", "eip_reportNote");//操作的表名
            hsTableCount.Add("@Filter", Filter);
            //获取符合条件的记录总数
            Pager.RecordCount = SelectPager.ReadRowsCount(hsTableCount, 1);

            hsTableData.Add("@Tables", "eip_reportNote");//操作的表名
            hsTableData.Add("@Group", Group);
            hsTableData.Add("@Sort", Sort);
            hsTableData.Add("@Fields", Fields);
            hsTableData.Add("@Filter", Filter);
            //分页获取符合条件的记录并绑定
            gvData.DataSource = SelectPager.ReadPageData(Pager.CurrentPageIndex, Pager.PageSize, hsTableData, 1);
            gvData.DataBind();

            //Clear();
        }
        public int MtNum(object container,string mtok,string mtero)
        {
            string Smtok = DataBinder.GetPropertyValue(container, mtok).ToString();
            string Smtero = DataBinder.GetPropertyValue(container, mtero).ToString();

            Int32 Return = 0;
            Return = Convert.ToInt32(Smtok) + Convert.ToInt32(Smtero);
            return Return;
       
       
        }
      
        protected void gvData_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            if (e.Row.RowType.Equals(DataControlRowType.DataRow))
            {
                e.Row.Attributes.Add("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='#ffffff'");
                e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=c");
            }
        }

        /// <summary>
        /// 网格删除事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void gvData_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
          
        }

     

        /// <summary>
        /// 分页事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void pager_PageChanged(object sender, EventArgs e)
        {
            LoadDataBind();
        }

     

        //public string MtNum(object container, string MtSucceedNum, string MtErorNum)
        //{
        //    string Return;

        //    int mtall,mtsucc,mter;
        //    mtsucc=Convert.ToInt32(MtSucceedNum);
        //    mter=Convert.ToInt32(MtErorNum);
        //    mtall=mtsucc + mter;
        //    Return = mtall.ToString();
        //    return Return;
        //}



        /// <summary>
        /// 批量审核
        /// </summary>
        //private void CheckMultiple()
        //{
        //    string ID = string.Empty;
        //    string State = string.Empty;
        //    Hashtable hsTable = new Hashtable();

        //    //建立逻辑对象
        //    //DAABExternal _DAABExternal = new DAABExternal();
        //}




        /// <summary>
        /// 查询
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>


        /// <summary>
        /// 网格颜色事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
    }


     就是这些代码拼在一起及解决问题了,近期将整理一下思路重写这篇文站
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  • 原文地址:https://www.cnblogs.com/itelite/p/939670.html
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