//xaml
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition/>
<ColumnDefinition/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<ListBox Grid.Column="0" ItemsSource="{Binding}" DisplayMemberPath="CountryName" x:Name="lbx1"/>
<ListBox Grid.Column="1" ItemsSource="{Binding SelectedItem.StatesList,ElementName=lbx1}"
DisplayMemberPath="StateName" x:Name="lbx2"/>
<ListBox Grid.Column="2" ItemsSource="{Binding SelectedItem.CityList,ElementName=lbx2}"
DisplayMemberPath="CityName" x:Name="lbx3"/>
</Grid>
//Whole
//xaml
<Window x:Class="WpfApp218.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:WpfApp218"
mc:Ignorable="d"
Title="MainWindow" Height="450" Width="800">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition/>
<ColumnDefinition/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<ListBox Grid.Column="0" ItemsSource="{Binding}" DisplayMemberPath="CountryName" x:Name="lbx1"/>
<ListBox Grid.Column="1" ItemsSource="{Binding SelectedItem.StatesList,ElementName=lbx1}"
DisplayMemberPath="StateName" x:Name="lbx2"/>
<ListBox Grid.Column="2" ItemsSource="{Binding SelectedItem.CityList,ElementName=lbx2}"
DisplayMemberPath="CityName" x:Name="lbx3"/>
</Grid>
</Window>
//cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
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 Newtonsoft.Json;
namespace WpfApp218
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
SerializeDemo();
}
private void SerializeDemo()
{
var countriesList = new[]
{
new
{
CountryId=1,
CountryName="USA",
StatesList=new[]
{
new
{
StateId=1,
StateName="NY",
CityList=new []
{
new
{
CityId=1,
CityName="NYC1"
},
new
{
CityId=1,
CityName="NYC2"
},
new
{
CityId=1,
CityName="NYC1"
}
}
},
new
{
StateId=2,
StateName="CA",
CityList=new []
{
new
{
CityId=1,
CityName="CAC1"
},
new
{
CityId=1,
CityName="CAC2"
},
new
{
CityId=1,
CityName="CAC3"
}
}
},
new
{
StateId=3,
StateName="FL",
CityList=new []
{
new
{
CityId=1,
CityName="FLC1"
},
new
{
CityId=1,
CityName="FLC2"
},
new
{
CityId=1,
CityName="FLC3"
}
}
}
}
},
new
{
CountryId=2,
CountryName="JP",
StatesList=new[]
{
new
{
StateId=1,
StateName="TY1",
CityList=new []
{
new
{
CityId=1,
CityName="TYC1"
},
new
{
CityId=1,
CityName="TYC2"
},
new
{
CityId=1,
CityName="TYC3"
}
}
},
new
{
StateId=2,
StateName="DJ",
CityList=new []
{
new
{
CityId=1,
CityName="DJC1"
},
new
{
CityId=1,
CityName="DJC2"
},
new
{
CityId=1,
CityName="DJC3"
}
}
},
new
{
StateId=3,
StateName="JD",
CityList=new []
{
new
{
CityId=1,
CityName="JDC1"
},
new
{
CityId=1,
CityName="JDC2"
},
new
{
CityId=1,
CityName="JDC3"
}
}
}
}
},
new
{
CountryId=3,
CountryName="SP",
StatesList=new[]
{
new
{
StateId=1,
StateName="SP1",
CityList=new []
{
new
{
CityId=1,
CityName="SP1C1"
},
new
{
CityId=1,
CityName="SP1C2"
},
new
{
CityId=1,
CityName="SP1C3"
}
}
},
new
{
StateId=2,
StateName="SP2",
CityList=new []
{
new
{
CityId=1,
CityName="SP2C1"
},
new
{
CityId=1,
CityName="SP2C2"
},
new
{
CityId=1,
CityName="SP2C3"
}
}
},
new
{
StateId=3,
StateName="SP3",
CityList=new []
{
new
{
CityId=1,
CityName="SP3C1"
},
new
{
CityId=1,
CityName="SP3C2"
},
new
{
CityId=1,
CityName="SP3C3"
}
}
}
}
}
};
this.DataContext = countriesList;
string jsonStr = JsonConvert.SerializeObject(countriesList, Formatting.Indented);
System.IO.File.AppendAllText($"{DateTime.Now.ToString("yyyyMMddHHmmssffff")}.json", jsonStr);
}
}
}
标签：ItemsSource,depend,StateId,fully,CityName,System,CityId,using,new From： https://www.cnblogs.com/Fred1987/p/18310299