前言

一、新建数据模型

public class NotifyPropertyObject : INotifyPropertyChanged
{public event PropertyChangedEventHandler PropertyChanged;public void OnPropertyChanged(string propertyName){if(PropertyChanged != null){PropertyChanged.Invoke(this, new PropertyChangedEventArgs(propertyName));}}}

public class MyStudent: NotifyPropertyObject
{private int _Num;public int Num{get { return _Num; }set { _Num = value;OnPropertyChanged("Num");}}private bool _IsTest;public bool IsTest{get { return _IsTest; }set { _IsTest = value;OnPropertyChanged("IsTest");}}private string _Name;public string Name{get { return _Name; }set { _Name = value;OnPropertyChanged("Name");}}private int _Age;public int Age{get { return _Age; }set { _Age = value;OnPropertyChanged("Age");}}private double _Score;public double Score{get { return _Score; }set { _Score = value;OnPropertyChanged("Score");}}private string _State; public string State{get { return _State; }set { _State = value;OnPropertyChanged("State");}}}

二、界面设计

<Window x:Class="WPFBindingDemo.MainWindow"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"xmlns:local="clr-namespace:WPFBindingDemo"mc:Ignorable="d"Title="MainWindow" Height="650" Width="800"><Grid><Grid.Resources><!--Create list of enumeration values--><ObjectDataProvider x:Key="strList" ObjectType="{x:Type local:OSList}" MethodName="GetList"/></Grid.Resources><Grid.ColumnDefinitions><ColumnDefinition/><ColumnDefinition/></Grid.ColumnDefinitions><Grid.RowDefinitions><RowDefinition Height="auto"/><RowDefinition /></Grid.RowDefinitions><Grid Grid.Column="1" Name="GridTable" Height="360" Background="Silver" Margin="2"><Grid.RowDefinitions> <RowDefinition></RowDefinition> <RowDefinition></RowDefinition> <RowDefinition></RowDefinition><RowDefinition></RowDefinition></Grid.RowDefinitions><Grid.ColumnDefinitions><ColumnDefinition Width="130"></ColumnDefinition><ColumnDefinition Width="150"></ColumnDefinition><ColumnDefinition Width="20"></ColumnDefinition></Grid.ColumnDefinitions><Label Width="130" Height="25"  Grid.Row="0" Grid.Column="0"  Name="label1">TwoWay</Label><TextBox Width="150" Height="25"  Grid.Row="0" Grid.Column="1"  Name="textBox4" Text="{Binding ElementName=scrollBar1,Path=Value,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" /><Label Width="130" Height="25"  Grid.Row="1" Grid.Column="0"  Name="label2">OneWay</Label>   <TextBox Width="150" Height="25"  Grid.Row="1" Grid.Column="1"   Name="textBox1" Text="{Binding ElementName=scrollBar1, Path=Value,Mode=OneWay}"/>   <Label Width="130" Height="25"  Grid.Row="2" Grid.Column="0"  Name="label3">OneWayToSource</Label>   <TextBox Width="150" Height="25"  Grid.Row="2" Grid.Column="1"   Name="textBox2" Text="{Binding ElementName=scrollBar1, Path=Value,Mode=OneWayToSource}" />  <Label Width="130" Height="25"  Grid.Row="3" Grid.Column="0"  Name="label4">OneTime</Label>  <TextBox Width="150" Height="25"  Grid.Row="3" Grid.Column="1"   Name="textBox3" Text="{Binding ElementName=scrollBar1, Path=Value,Mode=OneTime}"/><ScrollBar Value="30" Minimum="0" Grid.RowSpan="4" Grid.Row="0" Grid.Column="3" Maximum="100" Name="scrollBar1" Width="18" Height="{Binding ElementName=GridTable,Path=Height}" /></Grid><Grid Margin="2" Background="GreenYellow" Grid.Row="1" Grid.Column="1"><DataGrid x:Name="dataGridName" CanUserAddRows="False" AutoGenerateColumns="False" ItemsSource="{Binding MyStudentList,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" CanUserSortColumns="False"><DataGrid.Columns><DataGridCheckBoxColumn Header="选择" Width="*" Binding="{Binding IsTest}"></DataGridCheckBoxColumn><DataGridTextColumn Header="Num" Width="*" Binding="{Binding Num}"></DataGridTextColumn><DataGridTextColumn Header="Name" Width="*" Binding="{Binding Name}"></DataGridTextColumn><DataGridTextColumn Header="Age" Width="*" Binding="{Binding Age}"></DataGridTextColumn><DataGridTextColumn Header="Score" Width="*" Binding="{Binding Score}"></DataGridTextColumn><DataGridComboBoxColumn Header="State" Width="*" ItemsSource="{Binding Source={StaticResource strList}}" SelectedItemBinding="{Binding State}" TextBinding="{Binding State,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}"></DataGridComboBoxColumn><DataGridComboBoxColumn Header="State" Width="*" ItemsSource="{x:Static local:StrList.StateList}" SelectedItemBinding="{Binding State}" TextBinding="{Binding State,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}"></DataGridComboBoxColumn><!--<DataGridTemplateColumn Header="Image" Width="SizeToCells" IsReadOnly="True"><DataGridTemplateColumn.CellTemplate><DataTemplate><Image Source="{Binding Image}" /></DataTemplate></DataGridTemplateColumn.CellTemplate></DataGridTemplateColumn>--></DataGrid.Columns></DataGrid></Grid></Grid>
</Window>

三、数据初始化

public class OSList
{string[] txList = new string[] { "1", "2", "3" };public string[] GetList(){return this.txList;}
}public class StrList
{public static List<string> StateList { get; set; }static StrList(){StateList = new List<string>() { "1", "2", "3","4" };}
}/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{public ViewModels.MainViewModel ViewModel { get { return App.MainViewModel; } }public List<MyStudent> MyStudentList = new List<MyStudent>();public MainWindow(){InitializeComponent();this.DataContext = ViewModel;this.Loaded += MainWindow_Loaded;}private void MainWindow_Loaded(object sender, RoutedEventArgs e){MyStudentList = new List<MyStudent>();for (int i = 0; i < 5; i++){MyStudent myStudent = new MyStudent();myStudent.Num = i+1;myStudent.IsTest = true;myStudent.Name = "d" + i.ToString();myStudent.Age = i + 12;myStudent.Score = i + 78;myStudent.State = "1";MyStudentList.Add(myStudent);}dataGridName.ItemsSource = null;dataGridName.ItemsSource = MyStudentList;}}

四、WPF DataGrid.DataGridComboBoxColumn 数据绑定

xaml代码：

<Grid><Grid.Resources><!--Create list of enumeration values--><ObjectDataProvider x:Key="strList" ObjectType="{x:Type local:OSList}" MethodName="GetList"/></Grid.Resources><DataGrid Name="DG1" ItemsSource="{Binding}" AutoGenerateColumns="False"><DataGrid.Columns><DataGridComboBoxColumn Header="下拉框测试"SelectedItemBinding="{Binding sIdx}" ItemsSource="{Binding Source={StaticResource strList}}"></DataGridComboBoxColumn></DataGrid.Columns></DataGrid>
</Grid>

逻辑代码：

namespace DataBingTest
{/// <summary>/// DB_DataGrid.xaml 的交互逻辑/// </summary>public partial class DB_DataGrid : Window{public DB_DataGrid(){InitializeComponent();List<Info> infoList = new List<Info>();Info info02 = new Info();info02.sIdx = "1";infoList.Add(info02);info02 = new Info();info02.sIdx = "2";infoList.Add(info02);info02 = new Info();info02.sIdx = "3";infoList.Add(info02);DG1.DataContext = infoList;}}public class Info{public string sIdx { get; set; }}public class OSList{string[] txList = new string[] {"1" ,"2","3"};public string[] GetList(){return this.txList;}        }
}

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WPF使用DataGrid数据绑定

文章目录

前言

一、新建数据模型

二、界面设计

三、数据初始化

四、WPF DataGrid.DataGridComboBoxColumn 数据绑定

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