WPF XML序列化保存数据 支持Datagrid 显示/编辑/添加/删除数据

XML序列化保存数据

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;
using System.ComponentModel;
using System.Reflection;
using System.Xml.Serialization;
using System.IO;

namespace TestWPFMsgItems
{
    /// <summary>
    /// Interaction logic for MsgListPanel.xaml
    /// </summary>
    public partial class MsgListPanel : UserControl
    {
        public MsgListPanel()
        {
            InitializeComponent();
            msgFile = System.IO.Path.Combine("" + AppDomain.CurrentDomain.BaseDirectory, "mgs.d");
            // addTestData();
            loadMsgItems();
            dataGridMsgList.DataContext = dataGridMsgList.ItemsSource = list;

        }

        public List<MsgItem> list = new List<MsgItem>();
        private string msgFile = "";
        private void btnDel_Click(object sender, RoutedEventArgs e)
        {
            var m = (sender as Button).DataContext as MsgItem;
            list.Remove(m);
            dataGridMsgList.ItemsSource = null;
            dataGridMsgList.ItemsSource = list;
        }
        private void btnClose_Click(object sender, RoutedEventArgs e)
        {

            Save();
        }

        void loadMsgItems()
        {

            dataGridMsgList.ItemsSource = null;
            list = (List<MsgItem>)LoadFromXml(msgFile, list.GetType());
            dataGridMsgList.ItemsSource = list;
        }
        object LoadFromXml(string filePath, Type type)
        {
            object result = null;

            if (File.Exists(filePath))
            {
                using (StreamReader reader = new StreamReader(filePath))
                {
                    System.Xml.Serialization.XmlSerializer xmlSerializer = new System.Xml.Serialization.XmlSerializer(type);
                    result = xmlSerializer.Deserialize(reader);
                }
            }
            return result;
        }
        void SaveToXml(string filePath, object sourceObj)
        {
            if (!string.IsNullOrWhiteSpace(filePath) && sourceObj != null)
            {

                using (StreamWriter writer = new StreamWriter(filePath))
                {
                    System.Xml.Serialization.XmlSerializer xmlSerializer = new System.Xml.Serialization.XmlSerializer(sourceObj.GetType());
                    XmlSerializerNamespaces nameSpace = new XmlSerializerNamespaces();

                    nameSpace.Add("", ""); //not ot output the default namespace
                    xmlSerializer.Serialize(writer, sourceObj, nameSpace);
                }
            }
        }

        void addTestData()
        {

            list = new List<MsgItem>();

            for (int i = 1; i <= 2; i++)
            {
                list.Add(new MsgItem() { Age = 12, msg = "wgstrrrrrrrrrrrrrrrcd" });
                list.Add(new MsgItem() { Age = 12, msg = "wgscd" });
                list.Add(new MsgItem() { Age = 12, msg = "wgscd" });

            }

        }

        public void Save()
        {

            SaveToXml(msgFile, list);

        }

    }

//数据类
    public class MsgItem : INotifyPropertyChanged
    {

        public event PropertyChangedEventHandler PropertyChanged;
        private String _msg = "hello !!";
        private int _age = 24;

        public String msg
        {
            set
            {
                _msg = value;
                if (PropertyChanged != null)
                {
                    PropertyChanged(this, new PropertyChangedEventArgs("msg"));
                }
            }
            get
            {
                return _msg;
            }
        }

        public int Age
        {
            set
            {
                _age = value;
                if (PropertyChanged != null)
                {
                    PropertyChanged(this, new PropertyChangedEventArgs("Age"));//对Age进行监听
                }
            }
            get
            {
                return _age;
            }
        }

    }

}

　　

界面UI  代码：

<UserControl x:Class="TestWPFMsgItems.MsgListPanel"
             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"
             d:DesignHeight="322" d:DesignWidth="700">
    <Grid>
        <DataGrid  Name="dataGridMsgList" ItemsSource="{Binding}" AutoGenerateColumns="False" GridLinesVisibility="Horizontal" HorizontalGridLinesBrush="#FFEF7D7D" Margin="0,70,0,0" SelectionUnit="Cell">
            <DataGrid.Columns>
                <DataGridTextColumn Width="342"    Header="ATH" Binding="{Binding msg}"/>

                <DataGridTemplateColumn Header="action" >
                    <DataGridTemplateColumn.CellTemplate>
                        <DataTemplate>
                            <Button  Margin="5" Click="btnDel_Click" Tag="777" Content="X delete" VerticalAlignment="Top"  Cursor="Hand">
                                <Button.Template>
                                    <ControlTemplate TargetType="Button">
                                        <TextBlock TextDecorations="Underline">
                                             <ContentPresenter />
                                        </TextBlock>
                                    </ControlTemplate>
                                </Button.Template>
                                <Button.Style>
                                    <Style TargetType="Button">
                                        <Setter Property="Foreground" Value="Blue" />
                                        <Style.Triggers>
                                            <Trigger Property="IsMouseOver" Value="true">
                                                <Setter Property="Foreground" Value="Red" />
                                            </Trigger>
                                        </Style.Triggers>
                                    </Style>
                                </Button.Style>
                            </Button>
                        </DataTemplate>
                    </DataGridTemplateColumn.CellTemplate>
                </DataGridTemplateColumn>  

            </DataGrid.Columns>
        </DataGrid>

        <Button Margin="5"  Content="测试LinkButton" Width="123" VerticalAlignment="Top"  Cursor="Hand">
            <Button.Template>
                <ControlTemplate TargetType="Button">
                    <TextBlock TextDecorations="Underline">
                <ContentPresenter />
                    </TextBlock>
                </ControlTemplate>
            </Button.Template>
            <Button.Style>
                <Style TargetType="Button">
                    <Setter Property="Foreground" Value="Blue" />
                    <Style.Triggers>
                        <Trigger Property="IsMouseOver" Value="true">
                            <Setter Property="Foreground" Value="Red" />
                        </Trigger>
                    </Style.Triggers>
                </Style>
            </Button.Style>
        </Button>
        <Button Content="save" Height="23" HorizontalAlignment="Left" Margin="31,12,0,0" Name="btnClose"  Click="btnClose_Click" VerticalAlignment="Top" Width="75" />
    </Grid>
</UserControl>