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  • 分享一个Winform下的分页控件

    前两天有一个简单的C/S项目用到分页,因为是Winform下,没有现成的,自己也懒得写,就找了下,看到了ycmoon的一个控件

    http://www.cnblogs.com/ycmoon/archive/2010/01/07/1640689.html

    参考后,做了简化,只保留了分页的部分,主要是点击事件的Delegate,未做过多测试,有兴趣的朋友可以下载源码自行修改,如有好的建议,也可以给我反馈。3w@live.cn,效果如下:

    控件设计界面:

    邀月工作室

    设计时:

    邀月工作室

    运行时:

    邀月工作室

    附带一个取分页数据的存储过程:

    View Code
    CreateDataBase Db_TonyPaging
    go

    use Db_TonyPaging
    go



    ifexists (select1
    from sysobjects
    where id =object_id('DepartDemo')
    and type ='U')
    droptable DepartDemo
    go

    /*==============================================================*/
    /* Table: DepartDemo */
    /*==============================================================*/
    createtable DepartDemo (
    PKID
    intidentity(1,1),
    DName
    nvarchar(200) null,
    DCode
    nvarchar(500) null,
    Manager
    nvarchar(50) null,
    ParentID
    intnulldefault0,
    AddUser
    nvarchar(50) null,
    AddTime
    datetimenull,
    ModUser
    nvarchar(50) null,
    ModTime
    datetimenull,
    CurState
    smallintnotnulldefault0,
    Remark
    nvarchar(500) null,
    F1
    intnotnulldefault0,
    F2
    nvarchar(300) null,
    constraint PK_DEPARTDEMO primarykey (PKID)
    )
    go

    truncatetable DepartDemo
    go

    /***************创建54 条测试数据*********************
    ****************downmoo 3w@live.cn **************
    */

    declare@ddatetime
    set@d=getdate()

    declare@iint
    set@i=1
    while@i<=54
    begin
    --插入一条测试数据
    insertinto DepartDemo
    select'国家统计局房产审计'+Cast(@iasNvarchar(10))+'','0','胡不归',0,'DemoUser',getdate(),
    '','1900-01-01',1,'专业评估全国房价,为老百姓谋福祉',0,''
    set@i=@i+1
    end

    go





    --***********分页存储过程用于SQL server2005/2008、2008R2****************************
    SET ANSI_NULLS ON
    GO
    SET QUOTED_IDENTIFIER ON
    GO
    CreatePROCEDURE[dbo].[ZJF_CPP_GetPagedRecordFor2005_2008]
    (
    @Tablevarchar(1000), --表名,多表是请使用 tA a inner join tB b On a.AID = b.AID
    @TIndexnvarchar(100), --主键,可以带表头 a.AID
    @Columnnvarchar(2000) ='*',--读取字段
    @Sqlnvarchar(3000) ='',--Where条件
    @PageIndexint=1, --开始页码
    @PageSizeint=10, --页大小
    @Sortnvarchar(200) =''--排序字段
    )
    AS

    DECLARE@strWherevarchar(2000)
    declare@strsqlnvarchar(3900)
    IF@SqlISNOTNULLANDlen(ltrim(rtrim(@Sql)))>0
    BEGIN
    SET@strWhere=' WHERE '+@Sql+''
    END
    ELSE
    BEGIN
    SET@strWhere=''
    END

    if (charindex(ltrim(rtrim(@TIndex)),@Sort)=0)
    begin
    if(@Sort='')
    set@Sort=@TIndex+' DESC '
    else
    set@Sort=@Sort+' , '+@TIndex+' DESC '
    end
    IF@PageIndex<1
    SET@PageIndex=1

    if@PageIndex=1--第一页提高性能
    begin
    set@strsql='select top '+str(@PageSize) +''+@Column+' from '+@Table+''+@strWhere+' ORDER BY '+@Sort
    end
    else
    begin
    /**//**//**//*Execute dynamic query*/
    DECLARE@START_IDnvarchar(50)
    DECLARE@END_IDnvarchar(50)
    SET@START_ID=convert(nvarchar(50),(@PageIndex-1) *@PageSize+1)
    SET@END_ID=convert(nvarchar(50),@PageIndex*@PageSize)
    set@strsql=' SELECT '+@Column+'
    FROM (SELECT ROW_NUMBER() OVER(ORDER BY
    '+@Sort+') AS rownum,
    '+@Column+'
    FROM
    '+@Table+' WITH(NOLOCK) '+@strWhere+') AS D
    WHERE rownum BETWEEN
    '+@START_ID+' AND '+@END_ID+' ORDER BY '+@Sort
    END
    EXEC(@strsql)
    print@strsql
    set@strsql='SELECT Count(1) as TotalRecords FROM '+@Table+' WITH(NOLOCK) '+@strWhere
    print@strsql
    EXEC(@strsql)

    在WinForm项目中,需要设置控件的总记录数RecordCount(由分页存储过程计算得出),和翻页事件winFormPager1_PageIndexChanged

    邀月工作室
    邀月工作室

    邀月工作室

    测试源码如下:

    using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Text;
    using System.Windows.Forms;
    using System.Data.SqlClient;

    namespace DemoPager
    {
    publicpartialclass frmMain : Form
    {
    public frmMain()
    {
    InitializeComponent();
    }

    #region Members
    //总记录数
    publicint RecordCount =0;
    privatestring strConn =@"Data Source=ap2\vegnet;Initial Catalog=Db_TonyPaging;Integrated Security=SSPI;";
    //"Server=localhost;database=Db_TonyPaging;uid=sa;pwd=sa;";
    privatestring strProcedure ="ZJF_CPP_GetPagedRecordFor2005_2008";
    #endregion

    #region Methods

    ///<summary>
    /// 绑定第Index页的数据
    ///</summary>
    ///<param name="Index"></param>
    privatevoid BindDataWithPage(int Index)
    {
    winFormPager1.PageIndex
    = Index;
    //winFormPager1.PageSize = 10;; ;
    dgvList.DataSource = GetData(strConn, strProcedure, Index, winFormPager1.PageSize);
    //获取并设置总记录数
    winFormPager1.RecordCount = RecordCount;
    }


    ///<summary>
    /// 获取数据源
    ///</summary>
    ///<param name="conn"></param>
    ///<param name="strProcedure"></param>
    ///<param name="pageIndex"></param>
    ///<param name="pageSize"></param>
    ///<returns></returns>
    private DataTable GetData(string conn, string strProcedure, int pageIndex, int pageSize)
    {

    using (SqlConnection connection =new SqlConnection(conn))
    {
    SqlCommand command
    =new SqlCommand(strProcedure, connection);
    command.CommandType
    = CommandType.StoredProcedure;//采用存储过程
    //存储过程参数
    command.Parameters.Add("@Table", SqlDbType.NVarChar, 1000).Value ="DepartDemo";
    command.Parameters.Add(
    "@TIndex", SqlDbType.NVarChar, 100).Value ="PKID";
    command.Parameters.Add(
    "@Column", SqlDbType.NVarChar, 2000).Value ="*";
    command.Parameters.Add(
    "@Sql", SqlDbType.NVarChar, 3000).Value =" 1=1 ";
    command.Parameters.Add(
    "@PageIndex", SqlDbType.Int, 8).Value = pageIndex.ToString();
    command.Parameters.Add(
    "@PageSize", SqlDbType.Int, 8).Value = pageSize.ToString();
    command.Parameters.Add(
    "@Sort", SqlDbType.NVarChar, 200).Value =" PKID desc";
    //打开连接
    if (connection.State != ConnectionState.Open) { connection.Open(); }
    try
    {
    //填充数据
    SqlDataAdapter da =new SqlDataAdapter(command);
    DataSet ds
    =new DataSet();
    da.Fill(ds);
    //获取总记录数
    RecordCount = Convert.ToInt32(ds.Tables[1].Rows[0][0]);
    //返回数据集
    return ds.Tables[0];

    }
    catch (SqlException err)
    {
    MessageBox.Show(err.Message);
    returnnull; ;
    }
    finally
    {
    connection.Close();
    }
    }
    }
    #endregion

    #region Events
    privatevoid frmMain_Load(object sender, EventArgs e)
    {
    //不自动生成列
    dgvList.AutoGenerateColumns =false;
    //绑定数据
    BindDataWithPage(1);
    }

    ///<summary>
    /// 翻页事件
    ///</summary>
    ///<param name="sender"></param>
    ///<param name="e"></param>
    privatevoid winFormPager1_PageIndexChanged(object sender, EventArgs e)
    {
    BindDataWithPage(winFormPager1.PageIndex);
    }
    #endregion
    }
    }

    下载控件源码及演示程序(含SQL)

    下载地址一

    下载地址二

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  • 原文地址:https://www.cnblogs.com/downmoon/p/1950789.html
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