求asp.net pager分页控件的用法 求asp.net pager分页控件的用法 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 using System; using System.IO; using System.Drawing; using System.Data; using System.Data.SqlClient; using System.Web.UI; using System.Web.UI.WebControls; using System.ComponentModel; namespace DevCenter { #region PagingMode enum public enum PagingMode { Cached, NonCached } #endregion #region PagerStyle enum public enum PagerStyle { NextPrev, NumericPages } #endregion #region PageChangedEventArgs class public class PageChangedEventArgs : EventArgs { public int OldPageIndex; public int NewPageIndex; } #endregion #region SqlPager Control [DefaultProperty( "SelectCommand ")] [DefaultEvent( "PageIndexChanged ")] [ToolboxData( " <{0}:SqlPager runat=\ "server\ " /> ")] public class SqlPager : WebControl, INamingContainer { #region PRIVATE DATA MEMBERS private PagedDataSource _dataSource; private Control _controlToPaginate; private string CacheKeyName { get {return Page.Request.FilePath + "_ " + UniqueID + "_Data ";} } private string CurrentPageText = " <b> 页数: </b> {0} <b> / </b> {1} "; private string NoPageSelectedText = "无分页显示数据 "; #endregion #region CTOR(s) public SqlPager() : base() { _dataSource = null; _controlToPaginate = null; Font.Name = "verdana "; Font.Size = FontUnit.Point(8); BackColor = Color.Gainsboro; ForeColor = Color.Black; BorderStyle = BorderStyle.Outset; BorderWidth = Unit.Parse( "1px "); PagingMode = PagingMode.Cached; PagerStyle = PagerStyle.NextPrev; CurrentPageIndex = 1; ItemsPerPage = 10; TotalPages = 1; CacheDuration = 60; } #endregion #region PUBLIC PROGRAMMING INTERFACE public void ClearCache() { if (PagingMode == PagingMode.Cached) Page.Cache.Remove(CacheKeyName); } public delegate void PageChangedEventHandler(object sender, PageChangedEventArgs e); public event PageChangedEventHandler PageIndexChanged; protected virtual void OnPageIndexChanged(PageChangedEventArgs e) { if (PageIndexChanged != null) PageIndexChanged(this, e); } [Description( "Gets and sets for how many seconds the data should stay in the cache ")] public int CacheDuration { get {return Convert.ToInt32(ViewState[ "CacheDuration "]);} set {ViewState[ "CacheDuration "] = value;} } [Description( "Indicates whether the data are retrieved page by page or can be cached ")] public PagingMode PagingMode { get {return (PagingMode) ViewState[ "PagingMode "];} set {ViewState[ "PagingMode "] = value;} } [Description( "Indicates the style of the pager 's navigation bar ")] public PagerStyle PagerStyle { get {return (PagerStyle) ViewState[ "PagerStyle "];} set {ViewState[ "PagerStyle "] = value;} } [Description( "设置或者获取要用于分页的数据显示控件名称 ")] public string ControlToPaginate { get {return Convert.ToString(ViewState[ "ControlToPaginate "]);} set {ViewState[ "ControlToPaginate "] = value;} } [Description( "Gets and sets the number of items to display per page ")] public int ItemsPerPage { get {return Convert.ToInt32(ViewState[ "ItemsPerPage "]);} set {ViewState[ "ItemsPerPage "] = value;} } [Description( "Gets and sets the index of the currently displayed page ")] public int CurrentPageIndex { get {return Convert.ToInt32(ViewState[ "CurrentPageIndex "]);} set {ViewState[ "CurrentPageIndex "] = value;} } [Description( "设置或者获取分页控件数据源 ")] public DataSet DataSource { set { ViewState[ "DataSource "]=value; } get { return (DataSet)ViewState[ "DataSource "]; } } [Description( "显示数据分页总页数 ")] public int TotalPages { get {return Convert.ToInt32(ViewState[ "TotalPages "]);} set {ViewState[ "TotalPages "] = value;} } public override void DataBind() { base.DataBind(); ChildControlsCreated = false; if (ControlToPaginate == " ") return; _controlToPaginate = Page.FindControl(ControlToPaginate); if (_controlToPaginate == null) return; if (!(_controlToPaginate is BaseDataList || _controlToPaginate is ListControl)) return; if (PagingMode == PagingMode.Cached) FetchAllData(); else { FetchPageData(); } BaseDataList baseDataListControl = null; ListControl listControl = null; if (_controlToPaginate is BaseDataList) { baseDataListControl = (BaseDataList) _controlToPaginate; baseDataListControl.DataSource = DataSource; baseDataListControl.DataBind(); return; } if (_controlToPaginate is ListControl) { listControl = (ListControl) _controlToPaginate; listControl.Items.Clear(); listControl.DataSource = DataSource; listControl.DataBind(); return; } } protected override void Render(HtmlTextWriter output) { if (Site != null && Site.DesignMode) CreateChildControls(); base.Render(output); } 接上: ---------------------------------------------------------------- protected override void CreateChildControls() { Controls.Clear(); ClearChildViewState(); BuildControlHierarchy(); } #endregion #region PRIVATE HELPER METHODS private void BuildControlHierarchy() { Table t = new Table(); t.Font.Name = Font.Name; t.Font.Size = Font.Size; t.BorderStyle = BorderStyle; t.BorderWidth = BorderWidth; t.BorderColor = BorderColor; t.Width = Width; t.Height = Height; t.BackColor = BackColor; t.ForeColor = ForeColor; TableRow row = new TableRow(); t.Rows.Add(row); TableCell cellNavBar = new TableCell(); if (PagerStyle == PagerStyle.NextPrev) BuildNextPrevUI(cellNavBar); else BuildNumericPagesUI(cellNavBar); row.Cells.Add(cellNavBar); TableCell cellPageDesc = new TableCell(); cellPageDesc.HorizontalAlign = HorizontalAlign.Right; BuildCurrentPage(cellPageDesc); row.Cells.Add(cellPageDesc); Controls.Add(t); } private void BuildNextPrevUI(TableCell cell) { bool isValidPage = (CurrentPageIndex > =1 && CurrentPageIndex <= TotalPages); bool canMoveBack = (CurrentPageIndex> 1 && CurrentPageIndex <=TotalPages ); bool canMoveForward = (CurrentPageIndex> =1 && CurrentPageIndex <TotalPages); LinkButton first = new LinkButton(); first.ID = "First "; first.Click += new EventHandler(first_Click); first.Font.Name = "webdings "; first.Font.Size = FontUnit.Medium; first.ForeColor = ForeColor; first.ToolTip = "首页 "; first.Text = "7 "; first.Enabled = isValidPage && canMoveBack; cell.Controls.Add(first); cell.Controls.Add(new LiteralControl( " ")); LinkButton prev = new LinkButton(); prev.ID = "Prev "; prev.Click += new EventHandler(prev_Click); prev.Font.Name = "webdings "; prev.Font.Size = FontUnit.Medium; prev.ForeColor = ForeColor; prev.ToolTip = "上一页 "; prev.Text = "3 "; prev.Enabled = isValidPage && canMoveBack; cell.Controls.Add(prev); cell.Controls.Add(new LiteralControl( " ")); LinkButton next = new LinkButton(); next.ID = "Next "; next.Click += new EventHandler(next_Click); next.Font.Name = "webdings "; next.Font.Size = FontUnit.Medium; next.ForeColor = ForeColor; next.ToolTip = "下一页 "; next.Text = "4 "; next.Enabled = isValidPage && canMoveForward; cell.Controls.Add(next); cell.Controls.Add(new LiteralControl( " ")); LinkButton last = new LinkButton(); last.ID = "Last "; last.Click += new EventHandler(last_Click); last.Font.Name = "webdings "; last.Font.Size = FontUnit.Medium; last.ForeColor = ForeColor; last.ToolTip = "末页 "; last.Text = "8 "; last.Enabled = isValidPage && canMoveForward; cell.Controls.Add(last); } private void BuildNumericPagesUI(TableCell cell) { DropDownList pageList = new DropDownList(); pageList.ID = "PageList "; pageList.AutoPostBack = true; pageList.SelectedIndexChanged += new EventHandler(PageList_Click); pageList.Font.Name = Font.Name; pageList.Font.Size = Font.Size; pageList.ForeColor = ForeColor; if (DataSource==null) { pageList.Items.Add( "无翻页 "); pageList.Enabled = false; pageList.SelectedIndex = 0; } else { for(int i=1; i <=TotalPages; i++) { ListItem item = new ListItem(i.ToString(), i.ToString()); pageList.Items.Add(item); } pageList.SelectedIndex = CurrentPageIndex-1; } cell.Controls.Add(pageList); } private void BuildCurrentPage(TableCell cell) { if (DataSource == null) { cell.Text = NoPageSelectedText; } else { cell.Text = String.Format(CurrentPageText, CurrentPageIndex, TotalPages); } } private void ValidatePageIndex() { if (!(CurrentPageIndex > =1 && CurrentPageIndex <= TotalPages)) CurrentPageIndex = 1; return; } private void FetchAllData() { if (_dataSource == null) { _dataSource = new PagedDataSource(); } _dataSource.DataSource = DataSource.DefaultViewManager; _dataSource.AllowPaging = true; _dataSource.PageSize = ItemsPerPage; ValidatePageIndex(); _dataSource.CurrentPageIndex = CurrentPageIndex; } private void FetchPageData() { ValidatePageIndex(); if (_dataSource == null) { _dataSource = new PagedDataSource(); } _dataSource.AllowCustomPaging = true; _dataSource.AllowPaging = true; _dataSource.CurrentPageIndex = 0; _dataSource.PageSize = ItemsPerPage; _dataSource.DataSource = DataSource.DefaultViewManager; } private void GoToPage(int pageIndex) { PageChangedEventArgs e = new PageChangedEventArgs(); e.OldPageIndex = CurrentPageIndex; e.NewPageIndex = pageIndex; CurrentPageIndex = pageIndex; OnPageIndexChanged(e); DataBind(); } private void first_Click(object sender, EventArgs e) { GoToPage(1); } private void prev_Click(object sender, EventArgs e) { GoToPage(CurrentPageIndex-1); } private void next_Click(object sender, EventArgs e) { GoToPage(CurrentPageIndex+1); } private void last_Click(object sender, EventArgs e) { GoToPage(TotalPages); } private void PageList_Click(object sender, EventArgs e) { DropDownList pageList = (DropDownList)sender; int pageIndex = Convert.ToInt32(pageList.SelectedItem.Value); GoToPage(pageIndex); } #endregion } #endregion } 接上: ---------------------------------------------------------------- protected override void CreateChildControls() { Controls.Clear(); ClearChildViewState(); BuildControlHierarchy(); } #endregion #region PRIVATE HELPER METHODS private void BuildControlHierarchy() { Table t = new Table(); t.Font.Name = Font.Name; t.Font.Size = Font.Size; t.BorderStyle = BorderStyle; t.BorderWidth = BorderWidth; t.BorderColor = BorderColor; t.Width = Width; t.Height = Height; t.BackColor = BackColor; t.ForeColor = ForeColor; TableRow row = new TableRow(); t.Rows.Add(row); TableCell cellNavBar = new TableCell(); if (PagerStyle == PagerStyle.NextPrev) BuildNextPrevUI(cellNavBar); else BuildNumericPagesUI(cellNavBar); row.Cells.Add(cellNavBar); TableCell cellPageDesc = new TableCell(); cellPageDesc.HorizontalAlign = HorizontalAlign.Right; BuildCurrentPage(cellPageDesc); row.Cells.Add(cellPageDesc); Controls.Add(t); } private void BuildNextPrevUI(TableCell cell) { bool isValidPage = (CurrentPageIndex > =1 && CurrentPageIndex <= TotalPages); bool canMoveBack = (CurrentPageIndex> 1 && CurrentPageIndex <=TotalPages ); bool canMoveForward = (CurrentPageIndex> =1 && CurrentPageIndex <TotalPages); LinkButton first = new LinkButton(); first.ID = "First "; first.Click += new EventHandler(first_Click); first.Font.Name = "webdings "; first.Font.Size = FontUnit.Medium; first.ForeColor = ForeColor; first.ToolTip = "首页 "; first.Text = "7 "; first.Enabled = isValidPage && canMoveBack; cell.Controls.Add(first); cell.Controls.Add(new LiteralControl( " ")); LinkButton prev = new LinkButton(); prev.ID = "Prev "; prev.Click += new EventHandler(prev_Click); prev.Font.Name = "webdings "; prev.Font.Size = FontUnit.Medium; prev.ForeColor = ForeColor; prev.ToolTip = "上一页 "; prev.Text = "3 "; prev.Enabled = isValidPage && canMoveBack; cell.Controls.Add(prev); cell.Controls.Add(new LiteralControl( " ")); LinkButton next = new LinkButton(); next.ID = "Next "; next.Click += new EventHandler(next_Click); next.Font.Name = "webdings "; next.Font.Size = FontUnit.Medium; next.ForeColor = ForeColor; next.ToolTip = "下一页 "; next.Text = "4 "; next.Enabled = isValidPage && canMoveForward; cell.Controls.Add(next); cell.Controls.Add(new LiteralControl( " ")); LinkButton last = new LinkButton(); last.ID = "Last "; last.Click += new EventHandler(last_Click); last.Font.Name = "webdings "; last.Font.Size = FontUnit.Medium; last.ForeColor = ForeColor; last.ToolTip = "末页 "; last.Text = "8 "; last.Enabled = isValidPage && canMoveForward; cell.Controls.Add(last); } private void BuildNumericPagesUI(TableCell cell) { DropDownList pageList = new DropDownList(); pageList.ID = "PageList "; pageList.AutoPostBack = true; pageList.SelectedIndexChanged += new EventHandler(PageList_Click); pageList.Font.Name = Font.Name; pageList.Font.Size = Font.Size; pageList.ForeColor = ForeColor; if (DataSource==null) { pageList.Items.Add( "无翻页 "); pageList.Enabled = false; pageList.SelectedIndex = 0; } else { for(int i=1; i <=TotalPages; i++) { ListItem item = new ListItem(i.ToString(), i.ToString()); pageList.Items.Add(item); } pageList.SelectedIndex = CurrentPageIndex-1; } cell.Controls.Add(pageList); } private void BuildCurrentPage(TableCell cell) { if (DataSource == null) { cell.Text = NoPageSelectedText; } else { cell.Text = String.Format(CurrentPageText, CurrentPageIndex, TotalPages); } } private void ValidatePageIndex() { if (!(CurrentPageIndex > =1 && CurrentPageIndex <= TotalPages)) CurrentPageIndex = 1; return; } private void FetchAllData() { if (_dataSource == null) { _dataSource = new PagedDataSource(); } _dataSource.DataSource = DataSource.DefaultViewManager; _dataSource.AllowPaging = true; _dataSource.PageSize = ItemsPerPage; ValidatePageIndex(); _dataSource.CurrentPageIndex = CurrentPageIndex; } private void FetchPageData() { ValidatePageIndex(); if (_dataSource == null) { _dataSource = new PagedDataSource(); } _dataSource.AllowCustomPaging = true; _dataSource.AllowPaging = true; _dataSource.CurrentPageIndex = 0; _dataSource.PageSize = ItemsPerPage; _dataSource.DataSource = DataSource.DefaultViewManager; } private void GoToPage(int pageIndex) { PageChangedEventArgs e = new PageChangedEventArgs(); e.OldPageIndex = CurrentPageIndex; e.NewPageIndex = pageIndex; CurrentPageIndex = pageIndex; OnPageIndexChanged(e); DataBind(); } private void first_Click(object sender, EventArgs e) { GoToPage(1); } private void prev_Click(object sender, EventArgs e) { GoToPage(CurrentPageIndex-1); } private void next_Click(object sender, EventArgs e) { GoToPage(CurrentPageIndex+1); } private void last_Click(object sender, EventArgs e) { GoToPage(TotalPages); } private void PageList_Click(object sender, EventArgs e) { DropDownList pageList = (DropDownList)sender; int pageIndex = Convert.ToInt32(pageList.SelectedItem.Value); GoToPage(pageIndex); } #endregion } #endregion } 好像是要将ds转换iEnumerble网上有的,接着写一个属性 DataMember就可以了 网上下载dll,加载控件,百度一下控件的所有属性说明,再搭配一个分页存储过程,这个网上也有很多的 http://www.webdiyer.com/Controls/AspNetPager 关于网站加载速度提升 为什么文件里的垃圾代码不能删除? 求个主从显示的SQL语句/存储过程 如何防止js文件被下载:我的解决方法欢迎讨论 超连接中使用javascript的问题??????????? vs2005中toolbar控件被换成什么了? 【XX】用户控件中自定义事件无法触发的问题 两个WEB站点如何Cookie? 高手门, 这样的脚本怎么写? datalist控件的显示问题? 急,急,新手请教:关于Forms验证的问题 sql2000中错误602
using System.IO;
using System.Drawing;
using System.Data;
using System.Data.SqlClient;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.ComponentModel;
namespace DevCenter
{
#region PagingMode enum
public enum PagingMode
{
Cached,
NonCached
}
#endregion #region PagerStyle enum
public enum PagerStyle
{
NextPrev,
NumericPages
}
#endregion #region PageChangedEventArgs class
public class PageChangedEventArgs : EventArgs
{
public int OldPageIndex;
public int NewPageIndex;
}
#endregion #region SqlPager Control [DefaultProperty( "SelectCommand ")]
[DefaultEvent( "PageIndexChanged ")]
[ToolboxData( " <{0}:SqlPager runat=\ "server\ " /> ")]
public class SqlPager : WebControl, INamingContainer
{
#region PRIVATE DATA MEMBERS private PagedDataSource _dataSource;
private Control _controlToPaginate;
private string CacheKeyName
{
get {return Page.Request.FilePath + "_ " + UniqueID + "_Data ";}
}
private string CurrentPageText = " <b> 页数: </b> {0} <b> / </b> {1} ";
private string NoPageSelectedText = "无分页显示数据 "; #endregion #region CTOR(s) public SqlPager() : base()
{
_dataSource = null;
_controlToPaginate = null; Font.Name = "verdana ";
Font.Size = FontUnit.Point(8);
BackColor = Color.Gainsboro;
ForeColor = Color.Black;
BorderStyle = BorderStyle.Outset;
BorderWidth = Unit.Parse( "1px "); PagingMode = PagingMode.Cached;
PagerStyle = PagerStyle.NextPrev;
CurrentPageIndex = 1;
ItemsPerPage = 10;
TotalPages = 1;
CacheDuration = 60;
}
#endregion #region PUBLIC PROGRAMMING INTERFACE public void ClearCache()
{
if (PagingMode == PagingMode.Cached)
Page.Cache.Remove(CacheKeyName);
} public delegate void PageChangedEventHandler(object sender, PageChangedEventArgs e);
public event PageChangedEventHandler PageIndexChanged;
protected virtual void OnPageIndexChanged(PageChangedEventArgs e)
{
if (PageIndexChanged != null)
PageIndexChanged(this, e);
} [Description( "Gets and sets for how many seconds the data should stay in the cache ")]
public int CacheDuration
{
get {return Convert.ToInt32(ViewState[ "CacheDuration "]);}
set {ViewState[ "CacheDuration "] = value;}
} [Description( "Indicates whether the data are retrieved page by page or can be cached ")]
public PagingMode PagingMode
{
get {return (PagingMode) ViewState[ "PagingMode "];}
set {ViewState[ "PagingMode "] = value;}
} [Description( "Indicates the style of the pager 's navigation bar ")]
public PagerStyle PagerStyle
{
get {return (PagerStyle) ViewState[ "PagerStyle "];}
set {ViewState[ "PagerStyle "] = value;}
} [Description( "设置或者获取要用于分页的数据显示控件名称 ")]
public string ControlToPaginate
{
get {return Convert.ToString(ViewState[ "ControlToPaginate "]);}
set {ViewState[ "ControlToPaginate "] = value;}
} [Description( "Gets and sets the number of items to display per page ")]
public int ItemsPerPage
{
get {return Convert.ToInt32(ViewState[ "ItemsPerPage "]);}
set {ViewState[ "ItemsPerPage "] = value;}
} [Description( "Gets and sets the index of the currently displayed page ")]
public int CurrentPageIndex
{
get {return Convert.ToInt32(ViewState[ "CurrentPageIndex "]);}
set {ViewState[ "CurrentPageIndex "] = value;}
} [Description( "设置或者获取分页控件数据源 ")]
public DataSet DataSource
{
set
{
ViewState[ "DataSource "]=value;
}
get
{
return (DataSet)ViewState[ "DataSource "];
}
}
[Description( "显示数据分页总页数 ")]
public int TotalPages
{
get {return Convert.ToInt32(ViewState[ "TotalPages "]);}
set {ViewState[ "TotalPages "] = value;}
}
public override void DataBind()
{
base.DataBind(); ChildControlsCreated = false; if (ControlToPaginate == " ")
return;
_controlToPaginate = Page.FindControl(ControlToPaginate);
if (_controlToPaginate == null)
return;
if (!(_controlToPaginate is BaseDataList || _controlToPaginate is ListControl))
return; if (PagingMode == PagingMode.Cached)
FetchAllData();
else
{ FetchPageData();
} BaseDataList baseDataListControl = null;
ListControl listControl = null;
if (_controlToPaginate is BaseDataList)
{
baseDataListControl = (BaseDataList) _controlToPaginate;
baseDataListControl.DataSource = DataSource;
baseDataListControl.DataBind();
return;
}
if (_controlToPaginate is ListControl)
{
listControl = (ListControl) _controlToPaginate;
listControl.Items.Clear();
listControl.DataSource = DataSource;
listControl.DataBind();
return;
}
} protected override void Render(HtmlTextWriter output)
{ if (Site != null && Site.DesignMode)
CreateChildControls(); base.Render(output);
}
----------------------------------------------------------------
protected override void CreateChildControls()
{
Controls.Clear();
ClearChildViewState(); BuildControlHierarchy();
}
#endregion #region PRIVATE HELPER METHODS private void BuildControlHierarchy()
{
Table t = new Table();
t.Font.Name = Font.Name;
t.Font.Size = Font.Size;
t.BorderStyle = BorderStyle;
t.BorderWidth = BorderWidth;
t.BorderColor = BorderColor;
t.Width = Width;
t.Height = Height;
t.BackColor = BackColor;
t.ForeColor = ForeColor; TableRow row = new TableRow();
t.Rows.Add(row); TableCell cellNavBar = new TableCell();
if (PagerStyle == PagerStyle.NextPrev)
BuildNextPrevUI(cellNavBar);
else
BuildNumericPagesUI(cellNavBar);
row.Cells.Add(cellNavBar); TableCell cellPageDesc = new TableCell();
cellPageDesc.HorizontalAlign = HorizontalAlign.Right;
BuildCurrentPage(cellPageDesc);
row.Cells.Add(cellPageDesc); Controls.Add(t);
} private void BuildNextPrevUI(TableCell cell)
{
bool isValidPage = (CurrentPageIndex > =1 && CurrentPageIndex <= TotalPages);
bool canMoveBack = (CurrentPageIndex> 1 && CurrentPageIndex <=TotalPages );
bool canMoveForward = (CurrentPageIndex> =1 && CurrentPageIndex <TotalPages); LinkButton first = new LinkButton();
first.ID = "First ";
first.Click += new EventHandler(first_Click);
first.Font.Name = "webdings ";
first.Font.Size = FontUnit.Medium;
first.ForeColor = ForeColor;
first.ToolTip = "首页 ";
first.Text = "7 ";
first.Enabled = isValidPage && canMoveBack;
cell.Controls.Add(first); cell.Controls.Add(new LiteralControl( " ")); LinkButton prev = new LinkButton();
prev.ID = "Prev ";
prev.Click += new EventHandler(prev_Click);
prev.Font.Name = "webdings ";
prev.Font.Size = FontUnit.Medium;
prev.ForeColor = ForeColor;
prev.ToolTip = "上一页 ";
prev.Text = "3 ";
prev.Enabled = isValidPage && canMoveBack;
cell.Controls.Add(prev); cell.Controls.Add(new LiteralControl( " ")); LinkButton next = new LinkButton();
next.ID = "Next ";
next.Click += new EventHandler(next_Click);
next.Font.Name = "webdings ";
next.Font.Size = FontUnit.Medium;
next.ForeColor = ForeColor;
next.ToolTip = "下一页 ";
next.Text = "4 ";
next.Enabled = isValidPage && canMoveForward;
cell.Controls.Add(next); cell.Controls.Add(new LiteralControl( " ")); LinkButton last = new LinkButton();
last.ID = "Last ";
last.Click += new EventHandler(last_Click);
last.Font.Name = "webdings ";
last.Font.Size = FontUnit.Medium;
last.ForeColor = ForeColor;
last.ToolTip = "末页 ";
last.Text = "8 ";
last.Enabled = isValidPage && canMoveForward;
cell.Controls.Add(last);
} private void BuildNumericPagesUI(TableCell cell)
{
DropDownList pageList = new DropDownList();
pageList.ID = "PageList ";
pageList.AutoPostBack = true;
pageList.SelectedIndexChanged += new EventHandler(PageList_Click);
pageList.Font.Name = Font.Name;
pageList.Font.Size = Font.Size;
pageList.ForeColor = ForeColor; if (DataSource==null)
{
pageList.Items.Add( "无翻页 ");
pageList.Enabled = false;
pageList.SelectedIndex = 0;
}
else
{
for(int i=1; i <=TotalPages; i++)
{
ListItem item = new ListItem(i.ToString(), i.ToString());
pageList.Items.Add(item);
}
pageList.SelectedIndex = CurrentPageIndex-1;
}
cell.Controls.Add(pageList);
} private void BuildCurrentPage(TableCell cell)
{
if (DataSource == null)
{
cell.Text = NoPageSelectedText;
}
else
{
cell.Text = String.Format(CurrentPageText, CurrentPageIndex, TotalPages);
}
} private void ValidatePageIndex()
{
if (!(CurrentPageIndex > =1 && CurrentPageIndex <= TotalPages))
CurrentPageIndex = 1;
return;
} private void FetchAllData()
{
if (_dataSource == null)
{
_dataSource = new PagedDataSource();
}
_dataSource.DataSource = DataSource.DefaultViewManager;
_dataSource.AllowPaging = true;
_dataSource.PageSize = ItemsPerPage;
ValidatePageIndex();
_dataSource.CurrentPageIndex = CurrentPageIndex;
} private void FetchPageData()
{
ValidatePageIndex(); if (_dataSource == null)
{
_dataSource = new PagedDataSource();
}
_dataSource.AllowCustomPaging = true;
_dataSource.AllowPaging = true;
_dataSource.CurrentPageIndex = 0;
_dataSource.PageSize = ItemsPerPage;
_dataSource.DataSource = DataSource.DefaultViewManager;
}
private void GoToPage(int pageIndex)
{
PageChangedEventArgs e = new PageChangedEventArgs();
e.OldPageIndex = CurrentPageIndex;
e.NewPageIndex = pageIndex;
CurrentPageIndex = pageIndex; OnPageIndexChanged(e); DataBind();
} private void first_Click(object sender, EventArgs e)
{
GoToPage(1);
} private void prev_Click(object sender, EventArgs e)
{
GoToPage(CurrentPageIndex-1);
} private void next_Click(object sender, EventArgs e)
{
GoToPage(CurrentPageIndex+1);
} private void last_Click(object sender, EventArgs e)
{
GoToPage(TotalPages);
} private void PageList_Click(object sender, EventArgs e)
{
DropDownList pageList = (DropDownList)sender;
int pageIndex = Convert.ToInt32(pageList.SelectedItem.Value);
GoToPage(pageIndex);
}
#endregion
}
#endregion
}
----------------------------------------------------------------
protected override void CreateChildControls()
{
Controls.Clear();
ClearChildViewState(); BuildControlHierarchy();
}
#endregion #region PRIVATE HELPER METHODS private void BuildControlHierarchy()
{
Table t = new Table();
t.Font.Name = Font.Name;
t.Font.Size = Font.Size;
t.BorderStyle = BorderStyle;
t.BorderWidth = BorderWidth;
t.BorderColor = BorderColor;
t.Width = Width;
t.Height = Height;
t.BackColor = BackColor;
t.ForeColor = ForeColor; TableRow row = new TableRow();
t.Rows.Add(row); TableCell cellNavBar = new TableCell();
if (PagerStyle == PagerStyle.NextPrev)
BuildNextPrevUI(cellNavBar);
else
BuildNumericPagesUI(cellNavBar);
row.Cells.Add(cellNavBar); TableCell cellPageDesc = new TableCell();
cellPageDesc.HorizontalAlign = HorizontalAlign.Right;
BuildCurrentPage(cellPageDesc);
row.Cells.Add(cellPageDesc); Controls.Add(t);
} private void BuildNextPrevUI(TableCell cell)
{
bool isValidPage = (CurrentPageIndex > =1 && CurrentPageIndex <= TotalPages);
bool canMoveBack = (CurrentPageIndex> 1 && CurrentPageIndex <=TotalPages );
bool canMoveForward = (CurrentPageIndex> =1 && CurrentPageIndex <TotalPages); LinkButton first = new LinkButton();
first.ID = "First ";
first.Click += new EventHandler(first_Click);
first.Font.Name = "webdings ";
first.Font.Size = FontUnit.Medium;
first.ForeColor = ForeColor;
first.ToolTip = "首页 ";
first.Text = "7 ";
first.Enabled = isValidPage && canMoveBack;
cell.Controls.Add(first); cell.Controls.Add(new LiteralControl( " ")); LinkButton prev = new LinkButton();
prev.ID = "Prev ";
prev.Click += new EventHandler(prev_Click);
prev.Font.Name = "webdings ";
prev.Font.Size = FontUnit.Medium;
prev.ForeColor = ForeColor;
prev.ToolTip = "上一页 ";
prev.Text = "3 ";
prev.Enabled = isValidPage && canMoveBack;
cell.Controls.Add(prev); cell.Controls.Add(new LiteralControl( " ")); LinkButton next = new LinkButton();
next.ID = "Next ";
next.Click += new EventHandler(next_Click);
next.Font.Name = "webdings ";
next.Font.Size = FontUnit.Medium;
next.ForeColor = ForeColor;
next.ToolTip = "下一页 ";
next.Text = "4 ";
next.Enabled = isValidPage && canMoveForward;
cell.Controls.Add(next); cell.Controls.Add(new LiteralControl( " ")); LinkButton last = new LinkButton();
last.ID = "Last ";
last.Click += new EventHandler(last_Click);
last.Font.Name = "webdings ";
last.Font.Size = FontUnit.Medium;
last.ForeColor = ForeColor;
last.ToolTip = "末页 ";
last.Text = "8 ";
last.Enabled = isValidPage && canMoveForward;
cell.Controls.Add(last);
} private void BuildNumericPagesUI(TableCell cell)
{
DropDownList pageList = new DropDownList();
pageList.ID = "PageList ";
pageList.AutoPostBack = true;
pageList.SelectedIndexChanged += new EventHandler(PageList_Click);
pageList.Font.Name = Font.Name;
pageList.Font.Size = Font.Size;
pageList.ForeColor = ForeColor; if (DataSource==null)
{
pageList.Items.Add( "无翻页 ");
pageList.Enabled = false;
pageList.SelectedIndex = 0;
}
else
{
for(int i=1; i <=TotalPages; i++)
{
ListItem item = new ListItem(i.ToString(), i.ToString());
pageList.Items.Add(item);
}
pageList.SelectedIndex = CurrentPageIndex-1;
}
cell.Controls.Add(pageList);
} private void BuildCurrentPage(TableCell cell)
{
if (DataSource == null)
{
cell.Text = NoPageSelectedText;
}
else
{
cell.Text = String.Format(CurrentPageText, CurrentPageIndex, TotalPages);
}
} private void ValidatePageIndex()
{
if (!(CurrentPageIndex > =1 && CurrentPageIndex <= TotalPages))
CurrentPageIndex = 1;
return;
} private void FetchAllData()
{
if (_dataSource == null)
{
_dataSource = new PagedDataSource();
}
_dataSource.DataSource = DataSource.DefaultViewManager;
_dataSource.AllowPaging = true;
_dataSource.PageSize = ItemsPerPage;
ValidatePageIndex();
_dataSource.CurrentPageIndex = CurrentPageIndex;
} private void FetchPageData()
{
ValidatePageIndex(); if (_dataSource == null)
{
_dataSource = new PagedDataSource();
}
_dataSource.AllowCustomPaging = true;
_dataSource.AllowPaging = true;
_dataSource.CurrentPageIndex = 0;
_dataSource.PageSize = ItemsPerPage;
_dataSource.DataSource = DataSource.DefaultViewManager;
}
private void GoToPage(int pageIndex)
{
PageChangedEventArgs e = new PageChangedEventArgs();
e.OldPageIndex = CurrentPageIndex;
e.NewPageIndex = pageIndex;
CurrentPageIndex = pageIndex; OnPageIndexChanged(e); DataBind();
} private void first_Click(object sender, EventArgs e)
{
GoToPage(1);
} private void prev_Click(object sender, EventArgs e)
{
GoToPage(CurrentPageIndex-1);
} private void next_Click(object sender, EventArgs e)
{
GoToPage(CurrentPageIndex+1);
} private void last_Click(object sender, EventArgs e)
{
GoToPage(TotalPages);
} private void PageList_Click(object sender, EventArgs e)
{
DropDownList pageList = (DropDownList)sender;
int pageIndex = Convert.ToInt32(pageList.SelectedItem.Value);
GoToPage(pageIndex);
}
#endregion
}
#endregion
}
网上有的,
接着写一个属性 DataMember
就可以了