自定义分页控件，如何支持updatepanel

悬赏园豆：5 [已关闭问题] 关闭于 2009-09-10 12:52

以前自己用过的一个分页控件，2.0写的，想让它兵刷新页面，放到updatepanel里还是刷新页面，兵知道改怎么改进，？

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问题补充： 说说原理也可以

蓝蓝的天 | 初学一级 | 园豆：50
提问于：2009-09-04 16:15

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所有回答(2)

http://download.csdn.net/source/1213151

邀月 | 园豆：25475 (高人七级) | 2009-09-04 16:47

这是我以前写的一个分页控件..虽然只是给gridView的分页的扩展..但是如果把.控制gridview的部分改成取存储过程数据..在每一个点击事件中分页控制类来控制分页，还是可行的。

后边的一个类是一个用户控件分页的控制类，可以参考一下。两个合并一下，应该就是一个分页控件了。

Code
using System;using System.Collections.Generic;using System.ComponentModel;using System.Text;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;namespace OAWebControl{    [DefaultProperty("Text")]    [ToolboxData("<{0}:PageBreakControl runat=server></{0}:PageBreakControl>")]    public class PageBreakControl : WebControl, INamingContainer    {        private LinkButton lbtLast = new LinkButton();//末页        private LinkButton lbtNext = new LinkButton();//下一页        private LinkButton lbtPrev = new LinkButton();//上一页        private LinkButton lbtFirst = new LinkButton();//首页        private HeadGridView gridView = new HeadGridView ();        private Label labInfo = new Label();        [Bindable(true)]        [Category("Appearance")]        [DefaultValue("")]        [Localizable(true)]        public string Text        {            get            {                String s = (String)ViewState["Text"];                return ((s == null) ? String.Empty : s);            }            set            {                ViewState["Text"] = value;            }        }        #region 属性        [DefaultValue("")]        [Localizable(true)]        public HeadGridView GridViewDataSoure        {            get            {                this.EnsureChildControls();                return gridView;            }            set            {                this.EnsureChildControls();                gridView = value;            }        }        [DefaultValue("首页")]        public string LbtFirst        {            set { lbtFirst.Text = value; }            get { return lbtFirst.Text; }        }        [DefaultValue("末页")]        public string LbtLast        {            set { lbtLast.Text = value; }            get { return lbtLast.Text; }        }        [DefaultValue("上一页")]        public string LbtPrev        {            set { lbtPrev.Text = value; }            get { return lbtPrev.Text; }        }        [DefaultValue("下一页")]        public string LbtNext        {            set { lbtNext.Text = value; }            get { return lbtNext.Text; }        }        #endregion        #region 触发事件        void lbtPrev_Click(object sender, EventArgs e)        {            if (gridView.PageIndex > 0)            {                gridView.PageIndex = gridView.PageIndex - 1;                gridView.DataBind();            }        }        void lbtNext_Click(object sender, EventArgs e)        {            if (gridView.PageIndex < gridView.PageCount - 1)            {                gridView.PageIndex = gridView.PageIndex++;                gridView.DataBind();            }        }        void lbtLast_Click(object sender, EventArgs e)        {            if (gridView.PageCount > 0)            {                gridView.PageIndex = gridView.PageCount - 1;                gridView.DataBind();            }        }        void lbtFirs_Click(object sender, EventArgs e)        {            gridView.PageIndex = 0;            gridView.DataBind();        }        #endregion        protected override void Render(HtmlTextWriter writer)        {            AddAttributesToRender(writer);            writer.AddAttribute(HtmlTextWriterAttribute.Cellpadding,                "1", false);            writer.RenderBeginTag(HtmlTextWriterTag.Div);            writer.RenderBeginTag(HtmlTextWriterTag.Table);            writer.RenderBeginTag(HtmlTextWriterTag.Tr);            writer.RenderBeginTag(HtmlTextWriterTag.Td);            this.labInfo.RenderControl(writer);            writer.RenderEndTag();            writer.RenderBeginTag(HtmlTextWriterTag.Td);            this.lbtFirst.RenderControl(writer);            writer.RenderEndTag();            writer.RenderBeginTag(HtmlTextWriterTag.Td);            this.lbtPrev.RenderControl(writer);            writer.RenderEndTag();            writer.RenderBeginTag(HtmlTextWriterTag.Td);            this.lbtNext.RenderControl(writer);            writer.RenderEndTag();            writer.RenderBeginTag(HtmlTextWriterTag.Td);            this.lbtLast.RenderControl(writer);            writer.RenderEndTag();            writer.RenderEndTag();            writer.RenderEndTag();            writer.RenderEndTag();        }        protected override void CreateChildControls()        {            Controls.Clear();            lbtFirst.Text = LbtFirst;//"首页";            lbtFirst.CommandArgument = "lbtFirs";            lbtFirst.Click += new EventHandler(lbtFirs_Click);            lbtLast.Text = LbtLast;// "末页";            lbtLast.CommandArgument = "lbtLast";            lbtLast.Click += new EventHandler(lbtLast_Click);            lbtNext.Text = LbtNext;//"下一页";            lbtNext.CommandArgument = "lbtNext";            lbtNext.Click += new EventHandler(lbtNext_Click);            lbtPrev.Text = LbtPrev;//"上一页";            lbtPrev.CommandArgument = "lbtPrev";            lbtPrev.Click += new EventHandler(lbtPrev_Click);            labInfo.Text = "总共" + gridView.PageCount.ToString() + "1页 当前" + (gridView.PageIndex + 1) + "页   ";            this.Controls.Add(lbtFirst);            this.Controls.Add(lbtLast);            this.Controls.Add(lbtNext);            this.Controls.Add(lbtPrev);        }    }}

Code
/// <summary>
    /// 分页控制类 作者:邢少
    /// </summary>
    [Serializable]
    public class DataPageView
    {
        private string _tableName;
        private string _fldName;
        private int _pageSize;
        private string _fieldOrder;
        private string _where;
        private int _pageCount=1;
        private int _currPage = 1;
        private DataSet _ds=new DataSet();
        private string lab;
        private string _sort;
        private string _strCondition;
        private string _iD;
        private string _dist;
        private int _rowCount;

        #region 字段
        /// <summary>
        /// 数据总行数
        /// </summary>
        public int RowCount
        {
            get { return _rowCount; }
            set { _rowCount = value; }
        }
        /// <summary>
        /// 是否添加查询字段的 DISTINCT 默认0不添加/1添加
        /// </summary>
        public string Dist
        {
            get { return _dist; }
            set { _dist = value; }
        }
        /// <summary>
        /// 主键
        /// </summary>
        public string ID
        {
            get { return _iD; }
            set { _iD = value; }
        }
        /// <summary>
        /// 查询条件,不需where
        /// </summary>
        public string StrCondition
        {
            get { return _strCondition; }
            set { _strCondition = value; }
        }
        /// <summary>
        /// -排序方法，0为升序，1为降序(如果是多字段排列Sort指代最后一个排序字段的排列顺序(最后一个排序字段不加排序标记
        /// </summary>
        public string Sort
        {
            get { return _sort; }
            set { _sort = value; }
        }/// <summary>
        /// 数据集
        /// </summary>
        public DataTable DataTableView
        {
            get
            {
                DataInitializtion();
                return _ds.Tables[0];
            }
        }
        /// <summary>
        /// 分页显示的表名
        /// </summary>
        public string TableName
        {
            get { return _tableName; }
            set { _tableName = value; }
        }
        /// <summary>
        /// 要显示的字段列表
        /// </summary>
        public string FfldName
        {
            get { return _fldName; }
            set { _fldName = value; }
        }
        /// <summary>
        /// 每页显示的数据行
        /// </summary>
        public int PageSize
        {
            get { return _pageSize; }
            set { _pageSize = value; }
        }
        /// <summary>
        /// 以逗号分隔的排序字段列表,可以指定在字段后面指定DESC/ASC用于指定排序顺序
        /// </summary>
        public string FieldOrder
        {
            get { return _fieldOrder; }
            set { _fieldOrder = value; }
        }
        /// <summary>
        /// 查询条件
        /// </summary>
        public string Where
        {
            get { return _where; }
            set { _where = value; }
        }
        /// <summary>
        /// 总页数
        /// </summary>
        public int PageCount
        {
            get { return _pageCount; }
        }
        /// <summary>
        /// 页数信息
        /// </summary>
        public string TablePageInfo
        {
            get
            {
                lab = "数据 " + RowCount + " 条 当前第 " + (_currPage <= _pageCount ? _currPage.ToString() : _pageCount.ToString()) + " 页 共 " + (_pageCount > 0 ? _pageCount.ToString() : "0") + " 页";
                return lab;
            }
        }
        public int CurrPgae
        {
            get { return _currPage; }
        }

        #endregion

        #region 构造函数
        /// <summary>
        /// 
        /// </summary>
        /// <param name="tableName">表名</param>
        /// <param name="id">主键</param>
        /// <param name="pageSize">页面行数</param>
        /// <param name="fldName">要显示的字段列表</param>
        /// <param name="where">查询条件,不需where</param>
        /// <param name="sort">-排序方法，0为升序，1为降序</param>
        public DataPageView(string tableName, string id, int pageSize,string fldName, string where, string sort,string fieldOrder)
        {
            _iD = id;
            _fldName = fldName;
            _pageSize = pageSize;
            _strCondition = where;
            _tableName = tableName;
            _sort = sort;
            _fieldOrder = fieldOrder;
            //_currPage =Convert.ToInt32(curr);
        }
        public DataPageView(string[] list)
        {
            _iD = list[1];
            _fldName = list[4];
            _pageSize = Convert.ToInt32(list[2]);
            _strCondition = list[5];
            _tableName = list[0];
            _sort = list[6];
            _fieldOrder = list[7];
            _currPage = Convert.ToInt32(list[3]);
        }
        #endregion

        #region Methods
        /// <summary>
        /// 末页
        /// </summary>
        public void Last()
        {
            if (_pageCount == 0)
                _currPage = 1;
            else
                _currPage = Convert.ToInt32(_pageCount);
           
        }
        /// <summary>
        /// 首页
        /// </summary>
        public void Home()
        {
            _currPage = 1;
           
        }
        /// <summary>
        /// 上页
        /// </summary>
        public void Up()
        {
            if (_currPage >1)
                _currPage--;

        }
        /// <summary>
        /// 下页
        /// </summary>
        public void Down()
        {
            if(_currPage<_pageCount)
                _currPage++;
         
        }

        public void Goto(string currPage)
        {
            _currPage = Convert.ToInt32(currPage);
        }

        #endregion

        private void DataInitializtion()
        {
        
            ..省略
            IDataParameter[] parameters ={ tbname, FieldKey, pageSize, page, fldSort, strCondition, Sort, pageCount, Counts, psFieldName2 };
            _ds = DbHelperSQL.RunProcedure("", parameters, "List");

            _pageCount = Convert.ToInt32(parameters[7].Value);
            _rowCount = Convert.ToInt32(parameters[8].Value);
            if (_currPage > _pageCount) _currPage = _pageCount;
        }
    }
}

邢少 | 园豆：10926 (专家六级) | 2009-09-04 18:07

根本看不到啊关键是要支持updatepanel

支持(0) 反对(0) 蓝蓝的天 | 园豆：50 (初学一级) | 2009-09-04 18:27

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自定义分页控件 ，如何支持updatepanel

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自定义分页控件，如何支持updatepanel