C# listView Wpf

猿掌柜
2022-04-08 / 0 评论 / 8 阅读 / 正在检测是否收录...

代码

<ListView Height="303" HorizontalAlignment="Left" Name="listView1" VerticalAlignment="Top" Width="778" ItemsSource="{Binding Path=lists}">
            <ListView.View>
                <GridView>
                    <GridViewColumn x:Name="gvc">
                        <GridViewColumn.Header>
                            <CheckBox Click="CheckBox_Click_1">全选</CheckBox>
                        </GridViewColumn.Header>
                        <GridViewColumn.CellTemplate>
                            <DataTemplate>
                                <CheckBox Click="CheckBox_Click" Tag="{Binding Path=Uid}"></CheckBox>
                            </DataTemplate>
                        </GridViewColumn.CellTemplate>
                    </GridViewColumn>
                    <GridViewColumn Header="用户id" DisplayMemberBinding="{Binding Path=Uid}" />
                    <GridViewColumn Header="用户名" DisplayMemberBinding="{Binding Path=Username}" />
                    <GridViewColumn Header="密  码" DisplayMemberBinding="{Binding Path=Password}" />
                    <GridViewColumn Header="操作">
                        <GridViewColumn.CellTemplate>
                            <DataTemplate>
                                <Button Content="删除"  Width="75" Height="23" Click="Button_Click" CommandParameter="{Binding Path=Uid}"/>
                            </DataTemplate>
                        </GridViewColumn.CellTemplate>
                    </GridViewColumn>
                </GridView>
            </ListView.View>
        </ListView>
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 WPFGridView
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        private List<int> selectUid = new List<int>();//保存多选用户ID
        private List<int> allUid = new List<int>();//保存全选用户ID
        private List<User> list = new List<User>();//用户列表源数据
        
 
        public MainWindow()
        {
            InitializeComponent();
            this.DataBinding();
        }
 
 
        /// <summary>
        /// 列表数据初始化并绑定
        /// </summary>
        private void DataBinding()
        {
            for (int i = 0; i < 5; i++)
            {
                User user = new User()
                {
                    Uid = i + 1,
                    Username = "username" + i,
                    Password = "password"
                };
                list.Add(user);
            }
            this.listView1.ItemsSource = list;//为ListView绑定数据源
        }
 
        /// <summary>
        /// 复选框删除用户
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button1_Click(object sender, RoutedEventArgs e)
        {
            this.DeleteUsers(selectUid);
            this.listView1.Items.Refresh();//刷新数据
        }
 
        
        
        /// <summary>
        /// 由ChecBox的Click事件来记录被选中行的
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void CheckBox_Click(object sender, RoutedEventArgs e)
        {
            CheckBox cb = sender as CheckBox;
            int uid = Convert.ToInt32(cb.Tag.ToString()); //获取该行id
            if (cb.IsChecked == true)
            {
                selectUid.Add(uid);  //如果选中就保存id
            }
            else
            {
                selectUid.Remove(uid);   //如果选中取消就删除里面的id
            }
        }
 
        /// <summary>
        /// 批量删除用户
        /// </summary>
        private void DeleteUsers(List<int> selectUid)
        {
            if (selectUid.Count > 0) 
            {
                foreach (var uid in selectUid)
                {
                    list.Remove(list[uid - 1]);
                }
            }
        }
 
        /// <summary>
        /// 按钮单行删除
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Button_Click(object sender, RoutedEventArgs e)
        {
            Button b = sender as Button;
            int uid = Convert.ToInt32(b.CommandParameter);
            this.DeleteUser(uid);
            this.listView1.Items.Refresh();
        }
 
        /// <summary>
        /// 删除一个用户
        /// </summary>
        /// <param name="uid"></param>
        private void DeleteUser(int uid)
        {
            list.Remove(list[uid - 1]);
        }
 
        /// <summary>
        /// 全选
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void CheckBox_Click_1(object sender, RoutedEventArgs e)
        {
            CheckBox cb = sender as CheckBox;
            if (cb.IsChecked == true)
            {
                
                allUid = list.Select(l => l.Uid).ToList();
            }
            else
            {
                allUid.Clear();
            }
        }
    }
}
 
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