自己写的一个分页控件类(WinForm)

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

namespace xYuanShian.ControlLibrary
{
        /// <summary>
        /// 翻页控件
        /// </summary>
        public partial class PageControl : UserControl
        {
                #region 私有成员
                /// <summary>
                /// 页长
                /// </summary>
                private int _PageSize = 50;
                /// <summary>
                /// 总记录数
                /// </summary>
                private int _RecordCount = 0;
                /// <summary>
                /// 当前页码
                /// </summary>
                private int _PageIndex = 1;
                /// <summary>
                /// 获取或设置页数量
                /// </summary>
                private int PageCount { get; set; }
                /// <summary>
                /// 获取或设置跳转页面
                /// </summary>
                private int GoIndex { get; set; }
                #endregion 私有成员

                #region 公有成员
                /// <summary>
                /// 获取或设置页显示数量
                /// </summary>
                public int PageSize
                {
                        get { return _PageSize; }
                        set
                        {
                                if ( value <= 0 )
                                {
                                        MessageBox.Show( "页码不正确!", "错误！" );
                                }
                                else
                                {
                                        _PageSize = value;
                                        this.SetPageCountValue();
                                }
                        }
                }
                /// <summary>
                /// 获取或设置数据总条数
                /// </summary>
                public int RecordCount
                {
                        get { return _RecordCount; }
                        set
                        {
                                _RecordCount = value;
                                this.SetPageCountValue();
                        }
                }
                /// <summary>
                /// 获取页码
                /// </summary>
                public int CurrentIndex { get { return _PageIndex; } }
                /// <summary>
                /// 翻页事件
                /// </summary>
                public event PageControlEventHandler PageChange;
                #endregion 公有成员

                /// <summary>
                /// 构造函数
                /// </summary>
                public PageControl()
                {
                        InitializeComponent();
                }
                /// <summary>
                /// 构造函数
                /// </summary>
                /// <param name="RecordCount">总记录数</param>
                public void Init( int RecordCount, int pageSize )
                {
                        /// 数据条数
                        _RecordCount = RecordCount;

                        /// 页长
                        _PageSize = pageSize;

                        //跳转页码
                        GoIndex = 0;

                        SetPageCountValue();
                        RefreshData();
                }
                /// <summary>
                /// 刷新控件的显示
                /// </summary>
                public void RefreshText()
                {
                        lblCustomInfo.Text = "第 " + CurrentIndex.ToString() + " 页／共 " + PageCount.ToString() + " 页";
                        txtPageSize.Text = _PageSize.ToString();

                        #region 设置按钮状态
                        if ( PageCount == 1 )
                        {
                                lbllPage.Enabled = false;
                                lblnPage.Enabled = false;
                                lblpPage.Enabled = false;
                                lblfPage.Enabled = false;
                        }
                        else if ( _PageIndex >= PageCount )
                        {
                                lblnPage.Enabled = false;
                                lbllPage.Enabled = false;
                                lblpPage.Enabled = true;
                                lblfPage.Enabled = true;
                        }
                        else if ( _PageIndex <= 1 )
                        {
                                lblnPage.Enabled = true;
                                lbllPage.Enabled = true;
                                lblpPage.Enabled = false;
                                lblfPage.Enabled = false;
                        }
                        else
                        {
                                lbllPage.Enabled = true;
                                lblnPage.Enabled = true;
                                lblpPage.Enabled = true;
                                lblfPage.Enabled = true;
                        }
                        #endregion 设置按钮状态
                }
                /// <summary>
                /// 设置各种值
                /// </summary>
                private void SetPageCountValue()
                {
                        /// 页总数
                        PageCount = ( _RecordCount / _PageSize ) + 1;

                        /// 如果总数刚才被页长整除，则页码减1
                        if ( _RecordCount % _PageSize == 0 ) PageCount--;

                        /// 当改页总数改变后，当前页码比最大的页码还大，则设置为最大页码
                        if ( _PageIndex > PageCount )
                                _PageIndex = PageCount;
                        else if ( _PageIndex <= 0 )
                                _PageIndex = 1;
                }
                /// <summary>
                /// 翻到首页
                /// </summary>
                /// <param name="sender"></param>
                /// <param name="e"></param>
                private void lblfPage_LinkClicked( object sender, LinkLabelLinkClickedEventArgs e )
                {
                        //第一页
                        this.JumpPage( 1 );
                }
                /// <summary>
                /// 上一页
                /// </summary>
                /// <param name="sender"></param>
                /// <param name="e"></param>
                private void lblpPage_LinkClicked( object sender, LinkLabelLinkClickedEventArgs e )
                {
                        //上一页
                        this.JumpPage( _PageIndex - 1 );
                }
                /// <summary>
                /// 下一页
                /// </summary>
                /// <param name="sender"></param>
                /// <param name="e"></param>
                private void lblnPage_LinkClicked( object sender, LinkLabelLinkClickedEventArgs e )
                {
                        //下一页
                        this.JumpPage( _PageIndex + 1 );
                }
                /// <summary>
                /// 末页
                /// </summary>
                /// <param name="sender"></param>
                /// <param name="e"></param>
                private void lbllPage_LinkClicked( object sender, LinkLabelLinkClickedEventArgs e )
                {
                        //最后页
                        this.JumpPage( PageCount );
                }
                /// <summary>
                /// 跳转
                /// </summary>
                /// <param name="sender"></param>
                /// <param name="e"></param>
                private void lblGo_LinkClicked( object sender, LinkLabelLinkClickedEventArgs e )
                {
                        //跳转
                        int gpi = 0;
                        if ( String.IsNullOrEmpty( tbxGo.Text ) || !int.TryParse( tbxGo.Text, out gpi ) )
                        {
                                tbxGo.Text = "";
                                MessageBox.Show( "目标页码不正确！", "错误" );
                                return;
                        }

                        this.JumpPage( gpi );
                }
                /// <summary>
                /// 翻页
                /// </summary>
                /// <param name="pIndex">目标页码</param>
                private void JumpPage( int pIndex )
                {
                        _PageIndex = pIndex;
                        if ( _PageIndex <= 0 )
                                _PageIndex = 1;
                        else if ( _PageIndex > PageCount )
                                _PageIndex = PageCount;

                        /// 更新外观，以及调用数据
                        RefreshData();
                }
                /// <summary>
                /// 刷新文本
                /// </summary>
                private void RefreshData()
                {
                        if ( PageChange != null )
                                PageChange( this, new PageControlEventArgs( PageSize, CurrentIndex ) );

                        this.RefreshText();
                }
                /// <summary>
                /// 页长改变
                /// </summary>
                /// <param name="sender"></param>
                /// <param name="e"></param>
                private void txtPageSize_TextChanged( object sender, EventArgs e )
                {
                        if ( !String.IsNullOrEmpty( txtPageSize.Text ) )
                        {
                                int ps = 0;
                                if ( int.TryParse( txtPageSize.Text, out ps ) )
                                {
                                        PageSize = ps;
                                }
                        }
                }
                /// <summary>
                /// 改变页长
                /// </summary>
                /// <param name="sender"></param>
                /// <param name="e"></param>
                private void lblShow_LinkClicked( object sender, LinkLabelLinkClickedEventArgs e )
                {
                        this.RefreshData();
                }
        }
        /// <summary>
        /// 翻页事件
        /// </summary>
        /// <param name="Sender">事件调用者</param>
        /// <param name="PageSize">页长</param>
        /// <param name="PageIndex">页码</param>
        public delegate void PageControlEventHandler( object Sender, PageControlEventArgs e );
        /// <summary>
        /// 翻页事件参数
        /// </summary>
        public class PageControlEventArgs : EventArgs
        {
                /// <summary>
                /// 页长
                /// </summary>
                public int PageSize = 0;
                /// <summary>
                /// 页码
                /// </summary>
                public int CurrentIndex = 0;
                /// <summary>
                /// 构造函数
                /// </summary>
                /// <param name="PageSize"></param>
                /// <param name="PageIndex"></param>
                public PageControlEventArgs( int PageSize, int PageIndex )
                {
                        this.PageSize = PageSize;
                        this.CurrentIndex = PageIndex;
                }
        }
}

PageControl.Designer.cs类

 

namespace xYuanShian.ControlLibrary
{
        partial class PageControl
        {
                /// <summary>
                /// 必需的设计器变量。
                /// </summary>
                private System.ComponentModel.IContainer components = null;

                /// <summary>
                /// 清理所有正在使用的资源。
                /// </summary>
                /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
                protected override void Dispose( bool disposing )
                {
                        if ( disposing && ( components != null ) )
                        {
                                components.Dispose();
                        }
                        base.Dispose( disposing );
                }

                #region 组件设计器生成的代码

                /// <summary>
                /// 设计器支持所需的方法 - 不要
                /// 使用代码编辑器修改此方法的内容。
                /// </summary>
                private void InitializeComponent()
                {
                        this.lblfPage = new System.Windows.Forms.LinkLabel();
                        this.lblpPage = new System.Windows.Forms.LinkLabel();
                        this.lblnPage = new System.Windows.Forms.LinkLabel();
                        this.lbllPage = new System.Windows.Forms.LinkLabel();
                        this.tbxGo = new System.Windows.Forms.TextBox();
                        this.lblGo = new System.Windows.Forms.LinkLabel();
                        this.txtPageSize = new System.Windows.Forms.TextBox();
                        this.label6 = new System.Windows.Forms.Label();
                        this.lblCustomInfo = new System.Windows.Forms.Label();
                        this.lblShow = new System.Windows.Forms.LinkLabel();
                        this.SuspendLayout();
                        //
                        // lblfPage
                        //
                        this.lblfPage.AutoSize = true;
                        this.lblfPage.Font = new System.Drawing.Font( "宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ( ( byte )( 134 ) ) );
                        this.lblfPage.LinkColor = System.Drawing.Color.Black;
                        this.lblfPage.Location = new System.Drawing.Point( 6, 10 );
                        this.lblfPage.Name = "lblfPage";
                        this.lblfPage.Size = new System.Drawing.Size( 29, 12 );
                        this.lblfPage.TabIndex = 0;
                        this.lblfPage.TabStop = true;
                        this.lblfPage.Text = "首页";
                        this.lblfPage.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler( this.lblfPage_LinkClicked );
                        //
                        // lblpPage
                        //
                        this.lblpPage.AutoSize = true;
                        this.lblpPage.Font = new System.Drawing.Font( "宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ( ( byte )( 134 ) ) );
                        this.lblpPage.LinkColor = System.Drawing.Color.Black;
                        this.lblpPage.Location = new System.Drawing.Point( 41, 10 );
                        this.lblpPage.Name = "lblpPage";
                        this.lblpPage.Size = new System.Drawing.Size( 29, 12 );
                        this.lblpPage.TabIndex = 1;
                        this.lblpPage.TabStop = true;
                        this.lblpPage.Text = "上页";
                        this.lblpPage.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler( this.lblpPage_LinkClicked );
                        //
                        // lblnPage
                        //
                        this.lblnPage.AutoSize = true;
                        this.lblnPage.Font = new System.Drawing.Font( "宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ( ( byte )( 134 ) ) );
                        this.lblnPage.LinkColor = System.Drawing.Color.Black;
                        this.lblnPage.Location = new System.Drawing.Point( 76, 10 );
                        this.lblnPage.Name = "lblnPage";
                        this.lblnPage.Size = new System.Drawing.Size( 29, 12 );
                        this.lblnPage.TabIndex = 2;
                        this.lblnPage.TabStop = true;
                        this.lblnPage.Text = "下页";
                        this.lblnPage.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler( this.lblnPage_LinkClicked );
                        //
                        // lbllPage
                        //
                        this.lbllPage.AutoSize = true;
                        this.lbllPage.Font = new System.Drawing.Font( "宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ( ( byte )( 134 ) ) );
                        this.lbllPage.LinkColor = System.Drawing.Color.Black;
                        this.lbllPage.Location = new System.Drawing.Point( 111, 10 );
                        this.lbllPage.Name = "lbllPage";
                        this.lbllPage.Size = new System.Drawing.Size( 29, 12 );
                        this.lbllPage.TabIndex = 3;
                        this.lbllPage.TabStop = true;
                        this.lbllPage.Text = "末页";
                        this.lbllPage.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler( this.lbllPage_LinkClicked );
                        //
                        // tbxGo
                        //
                        this.tbxGo.Location = new System.Drawing.Point( 326, 7 );
                        this.tbxGo.Name = "tbxGo";
                        this.tbxGo.Size = new System.Drawing.Size( 39, 21 );
                        this.tbxGo.TabIndex = 5;
                        //
                        // lblGo
                        //
                        this.lblGo.AutoSize = true;
                        this.lblGo.Font = new System.Drawing.Font( "宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ( ( byte )( 134 ) ) );
                        this.lblGo.LinkColor = System.Drawing.Color.Black;
                        this.lblGo.Location = new System.Drawing.Point( 371, 10 );
                        this.lblGo.Name = "lblGo";
                        this.lblGo.Size = new System.Drawing.Size( 29, 12 );
                        this.lblGo.TabIndex = 6;
                        this.lblGo.TabStop = true;
                        this.lblGo.Text = "跳转";
                        this.lblGo.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler( this.lblGo_LinkClicked );
                        //
                        // txtPageSize
                        //
                        this.txtPageSize.Location = new System.Drawing.Point( 234, 7 );
                        this.txtPageSize.Name = "txtPageSize";
                        this.txtPageSize.Size = new System.Drawing.Size( 40, 21 );
                        this.txtPageSize.TabIndex = 15;
                        this.txtPageSize.TextChanged += new System.EventHandler( this.txtPageSize_TextChanged );
                        //
                        // label6
                        //
                        this.label6.AutoSize = true;
                        this.label6.Location = new System.Drawing.Point( 146, 11 );
                        this.label6.Name = "label6";
                        this.label6.Size = new System.Drawing.Size( 89, 12 );
                        this.label6.TabIndex = 14;
                        this.label6.Text = "每页显示记录数";
                        //
                        // lblCustomInfo
                        //
                        this.lblCustomInfo.AutoSize = true;
                        this.lblCustomInfo.Location = new System.Drawing.Point( 406, 10 );
                        this.lblCustomInfo.Name = "lblCustomInfo";
                        this.lblCustomInfo.Size = new System.Drawing.Size( 35, 12 );
                        this.lblCustomInfo.TabIndex = 16;
                        this.lblCustomInfo.Text = "第1页";
                        //
                        // lblShow
                        //
                        this.lblShow.AutoSize = true;
                        this.lblShow.Font = new System.Drawing.Font( "宋体", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ( ( byte )( 134 ) ) );
                        this.lblShow.LinkColor = System.Drawing.Color.Black;
                        this.lblShow.Location = new System.Drawing.Point( 278, 11 );
                        this.lblShow.Name = "lblShow";
                        this.lblShow.Size = new System.Drawing.Size( 29, 12 );
                        this.lblShow.TabIndex = 17;
                        this.lblShow.TabStop = true;
                        this.lblShow.Text = "显示";
                        this.lblShow.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler( this.lblShow_LinkClicked );
                        //
                        // PageControl
                        //
                        this.AutoScaleDimensions = new System.Drawing.SizeF( 6F, 12F );
                        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
                        this.Controls.Add( this.lblShow );
                        this.Controls.Add( this.lblCustomInfo );
                        this.Controls.Add( this.txtPageSize );
                        this.Controls.Add( this.label6 );
                        this.Controls.Add( this.lblGo );
                        this.Controls.Add( this.tbxGo );
                        this.Controls.Add( this.lbllPage );
                        this.Controls.Add( this.lblnPage );
                        this.Controls.Add( this.lblpPage );
                        this.Controls.Add( this.lblfPage );
                        this.Name = "PageControl";
                        this.Size = new System.Drawing.Size( 553, 30 );
                        this.ResumeLayout( false );
                        this.PerformLayout();

                }

                #endregion

                private System.Windows.Forms.LinkLabel lblfPage;
                private System.Windows.Forms.LinkLabel lblpPage;
                private System.Windows.Forms.LinkLabel lblnPage;
                private System.Windows.Forms.LinkLabel lbllPage;
                private System.Windows.Forms.TextBox tbxGo;
                private System.Windows.Forms.LinkLabel lblGo;
                private System.Windows.Forms.TextBox txtPageSize;
                private System.Windows.Forms.Label label6;
                private System.Windows.Forms.Label lblCustomInfo;
                private System.Windows.Forms.LinkLabel lblShow;
        }
}

使用方法

                private void test()
                {
                        PageControl pageControl1 = new PageControl();
                        pageControl1.Init( 总记录数, 页长 );          // 或者用下面的方式
                        pageControl1.RecordCount = 设置记录数;
                        pageControl1.PageSize = 页长;
                        pageControl1.PageChange += new PageControlEventHandler( myDataBinder );
                }

                private void myDataBinder(object Sender, PageControlEventArgs e)
                {
                        //绑定数据源操作 e.CurrentIndex, e.PageSize
                }