PagerToolsLibrary/PagerToolsControl.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Windows.Forms;

namespace PagerToolsLibrary
{
    /// <summary>
    /// 分页组件
    /// </summary>
    public partial class PagerToolsControl : UserControl
    {
        /// <summary>
        /// 当前页改变时发生
        /// </summary>
        public event C_EventClass.OnPagerIndexChangedEventHandler PagerIndexChanged = null;

        /// <summary>
        /// 每页行数改变时发生
        /// </summary>
        public event C_EventClass.OnPagerNumChangedEventHandler PagerNumChanged = null;

        /// <summary>
        /// 总页数
        /// </summary>
        public int Total
        {
            get { return aTotal; }
        }

        /// <summary>
        /// 数据总数
        /// </summary>
        [Description("数据总数"), Browsable(false)]
        public int DataCount
        {
            get { return aDataCount; }
            set
            {
                aDataCount = value;
                aTotal = ((aDataCount + aPagerNum - 1) / aPagerNum);
                tlab_datacount.Text = aDataCountLable.Replace("#count", aDataCount.ToString());
                UpdataTotal();
            }
        }

        /// <summary>
        /// 当前页数
        /// </summary>
        [Description("当前页"),Browsable(false)]
        public int Current
        {
            get { return aCurrent; }
            set
            {
                if ((value < 0) || (value > aTotal))
                    throw new Exception("当前页不能小于0或大于总页数");

                aCurrent = value;
                UpdataCurrent();