WPF 分頁控件應用

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效果圖：???

前臺代碼：

<UserControl x:Class="Layout.UI.Comm.Pager"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" mc:Ignorable="d" 
><Grid><Label Content="" Height="28" HorizontalAlignment="Left" Margin="0，0，0，0" Name="lblinfo" VerticalAlignment="Center" /><Button Content="上一頁" Height="23" HorizontalAlignment="Left" Margin="172，0，0，0" Name="btnPrev" VerticalAlignment="Center" Width="75" Click="btnPrev_Click" /><Button Content="下一頁" Height="23" HorizontalAlignment="Right" Margin="0，0，272，0" Name="btnNext" VerticalAlignment="Center" Width="75"  Click="btnNext_Click"/><TextBox Height="23" Margin="533，0，0，0" Name="txtCurrentPage" VerticalAlignment="Center" HorizontalAlignment="Left" Width="34" /><Button Content="轉到" HorizontalAlignment="Right" Margin="0，0，96，0" Name="btnGo" Width="75" Height="23" Click="btnGo_Click" /><Label Content="頁"  HorizontalAlignment="Left" Margin="573，0，0，0" Name="label2" VerticalAlignment="Center" /><Label Content="第"  Margin="0，0，68，0" Name="label3" VerticalAlignment="Center" HorizontalAlignment="Right"  /><Button Content="首頁" Height="23" HorizontalAlignment="Left" Margin="91，0，0，0" Name="btnFirst" VerticalAlignment="Center" Width="75" Click="btnFirst_Click" /><Button Content="末頁" Height="23" HorizontalAlignment="Left" Margin="334，0，0，0" Name="btnLast" VerticalAlignment="Center" Width="75" Click="btnLast_Click" />       </Grid>
</UserControl>后臺代碼:using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;namespace Layout.UI.Comm
{/// <summary>/// 申明委托/// </summary>/// <param name="e"></param>/// <returns></returns>public delegate int EventPagingHandler（EventPagingArg e）;/// <summary>///wpf分頁控件     /// </summary>public partial class Pager : UserControl{public Pager（）{InitializeComponent（）;}public event EventPagingHandler EventPaging;/// <summary>/// 每頁顯示記錄數/// </summary>private int _pageSize = 20;/// <summary>/// 每頁顯示記錄數/// </summary>public int PageSize{get { return _pageSize; }set{_pageSize = value;GetPageCount（）;}}private int _nMax = 0;/// <summary>/// 總記錄數/// </summary>public int NMax{get { return _nMax; }set{_nMax = value;GetPageCount（）;}}private int _pageCount = 0;/// <summary>/// 頁數=總記錄數/每頁顯示記錄數/// </summary>public int PageCount{get { return _pageCount; }set { _pageCount = value; }}private int _pageCurrent = 0;/// <summary>/// 當前頁號/// </summary>public int PageCurrent{get { return _pageCurrent; }set { _pageCurrent = value; }}private void GetPageCount（）{if （this.NMax > 0）{this.PageCount = Convert.ToInt32（Math.Ceiling（Convert.ToDouble（this.NMax） / Convert.ToDouble（this.PageSize）））;}else{this.PageCount = 0;}}/// <summary>/// 翻頁控件數據綁定的辦法/// </summary>public void Bind（）{if （this.EventPaging != null）{this.NMax = this.EventPaging（new EventPagingArg（this.PageCurrent））;}if （this.PageCurrent > this.PageCount）{this.PageCurrent = this.PageCount;}if （this.PageCount == 1）{this.PageCurrent = 1;}lblinfo.Content = ""+NMax+"條 " + this.PageCurrent.ToString（） + "/" + this.PageCount.ToString（）+"";this.txtCurrentPage.Text = this.PageCurrent.ToString（）;if （this.PageCurrent == 1）{this.btnPrev.IsEnabled = false;this.btnFirst.IsEnabled = false;}else{btnPrev.IsEnabled = true;btnFirst.IsEnabled = true;}if （this.PageCurrent == this.PageCount）{this.btnLast.IsEnabled = false;this.btnNext.IsEnabled = false;}else{btnLast.IsEnabled = true;btnNext.IsEnabled = true;}if （this.NMax == 0）{btnNext.IsEnabled = false;btnLast.IsEnabled = false;btnFirst.IsEnabled = false;btnPrev.IsEnabled = false;}}private void btnLast_Click（object sender， RoutedEventArgs e）{PageCurrent = PageCount;this.Bind（）;}private void btnNext_Click（object sender， RoutedEventArgs e）{this.PageCurrent += 1;if （PageCurrent > PageCount）{PageCurrent = PageCount;}this.Bind（）;}private void btnGo_Click（object sender， RoutedEventArgs e）{if （this.txtCurrentPage.Text != null && txtCurrentPage.Text != ""）{if （Int32.TryParse（txtCurrentPage.Text， out _pageCurrent））{this.Bind（）;}else{MessageBox.Show（"輸入數字格局錯誤！"）;}}}private void btnFirst_Click（object sender， RoutedEventArgs e）{PageCurrent = 1;this.Bind（）;}private void btnPrev_Click（object sender， RoutedEventArgs e）{PageCurrent -= 1;if （PageCurrent <= 0）{PageCurrent = 1;}this.Bind（）;}}/// <summary>/// 自定義事務數據基類/// </summary>public class EventPagingArg : EventArgs{private int _intPageIndex;public EventPagingArg（int PageIndex）{_intPageIndex = PageIndex;}}
}應用辦法:private void Form_Loaded（object sender， RoutedEventArgs e）{pager.PageSize = 12;pager.PageCurrent = 1;BindData（）;pager.NMax = total;}string strWhere = "IsPass=1";int total = 0;DataSet ds;private void BindData（）{ds = OrderRecords.instance.GetList（pager.PageSize， pager.PageCurrent， strWhere， "Status asc，CurTime Desc"， out total）;gvOrderList.ItemsSource = ds.Tables[0].DefaultView;gvOrderList.CanUserAddRows = false;}private int pager_EventPaging（Comm.EventPagingArg e）{int pagd = pager.PageCurrent;BindData（）;return total;}

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