修改了初始化

lu

2024-12-03 b7b06604c4057163332b4017e02fe38bb40f51e4

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using Gs.DevApp.ToolBox;
using System;
using System.Windows.Forms;
 
namespace UserControls.Data
{
    public partial class UcPageBar : UserControl
    {
        public delegate void
            GetPageDataEvents(int curPage, int pageSize); //定义委托
 
        public UcPageBar()
        {
            InitializeComponent();
            this.cbxRowCount.Text = "50";
            this.cbxRowCount.SelectedIndexChanged += new System.EventHandler(this.cbxRowCount_SelectedIndexChanged);
        }
 
        public event GetPageDataEvents PagerEvent; //定义事件
 
        //选择每页显示条数
        private void cbxRowCount_SelectedIndexChanged(object sender,
            EventArgs e)
        {
           int  _RowsCount = Convert.ToInt32(cbxRowCount.Text);
            CurrentPage = 1;
            if (PagerEvent != null)
                if (_RowsCount > 0 && _RowsCount > 0)
                    BtnEvents(sender, e);
        }
 
        //手动输入显示页面编号
        private void tbxCurrentPage_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                var page = Convert.ToInt32(tbxCurrentPage.Text);
                if (page < 1)
                    CurrentPage = 1;
                else if (page > TotalPages)
                    CurrentPage = TotalPages;
                else
                    CurrentPage = page;
                if (PagerEvent != null)
                    BtnEvents(sender, e);
            }
        }
 
 
        //点击首页按钮
        private void lbFirstPage_Click(object sender, EventArgs e)
        {
            if (CurrentPage == 1)
                return;
            CurrentPage = 1;
            if (PagerEvent != null)
                BtnEvents(sender, e);
        }
 
        //点击上一页按钮
        private void lbPrePage_Click(object sender, EventArgs e)
        {
            if (CurrentPage == 1)
                return;
            if (CurrentPage <= TotalPages) CurrentPage -= 1;
            if (PagerEvent != null)
                BtnEvents(sender, e);
        }
 
        //点击下一页按钮
        private void lbNextPage_Click(object sender, EventArgs e)
        {
            if (CurrentPage == TotalPages)
                return;
            if (CurrentPage < TotalPages) CurrentPage += 1;
            if (PagerEvent != null)
                BtnEvents(sender, e);
        }
 
        //末页按钮
        private void lbEnd_Click(object sender, EventArgs e)
        {
            if (CurrentPage == TotalPages)
                return;
            CurrentPage = TotalPages;
            if (PagerEvent != null)
                BtnEvents(sender, e);
        }
 
        private void BtnEvents(object sender, EventArgs e)
        {
            PagerEvent(CurrentPage, RowsCount);
        }
 
        public void setTxt()
        {
            tbxCurrentPage.Text = CurrentPage.ToString();
            lbTotalPages.Text = "共 " + TotalPages + "页";
            lbTotalRows.Text = "共 " + RecordCount + " 条记录";
            if (RowsCount > 0)
                cbxRowCount.Text = RowsCount.ToString();
            if (CurrentPage == 1)
                lbFirstPage.Enabled = false;
            else
                lbFirstPage.Enabled = true;
            if (CurrentPage == TotalPages)
                lbEnd.Enabled = false;
            else
                lbEnd.Enabled = true;
            if (CurrentPage == 1)
                lbPrePage.Enabled = false;
            else
                lbPrePage.Enabled = true;
            if (CurrentPage == TotalPages)
                lbNextPage.Enabled = false;
            else
                lbNextPage.Enabled = true;
        }
 
        #region 定义属性
 
        /// <summary>
        ///     总页数
        /// </summary>
        public int TotalPages { get; set; }
 
        /// <summary>
        ///     当前页
        /// </summary>
        public int CurrentPage { get; set; }
 
        /// <summary>
        ///     每页条数
        /// </summary>
        public int RowsCount { get { return int.Parse(this.cbxRowCount.Text); } }
 
 
        int _RecordCount;
        /// <summary>
        ///     总记录数
        /// </summary>
        public int RecordCount
        {
            get { return _RecordCount; }
            set
            {
                _RecordCount = value;
                setTxt();
            }
        }
 
        #endregion
    }
}