14. ListView - 2

01.

1.

    Title="MainWindow"
    Height="400"
    Width="400">

<Grid>
    <Grid.RowDefinitions>
        <RowDefinition Height="4" />
        <RowDefinition Height="auto" />
        <RowDefinition Height="4" />
        <RowDefinition Height="auto" />
        <RowDefinition Height="4" />
        <RowDefinition Height="auto" />
        <RowDefinition Height="4" />
    </Grid.RowDefinitions>
    <Grid.ColumnDefinitions>
        <ColumnDefinition Width="4" />
        <ColumnDefinition Width="*" />
        <ColumnDefinition Width="4" />
    </Grid.ColumnDefinitions>

    <Button Grid.Row="1"
            Grid.Column="1"
            Content="New Contact"
            Click="Button_Click" />

    <TextBox Grid.Row="3"
             Grid.Column="1"
             TextChanged="TextBox_TextChanged"/>   

    <ListView Grid.Row="5"
              Grid.Column="1"
              Height="330"
              x:Name="contactListView">
        <ListView.ItemTemplate>
            <DataTemplate>
                <StackPanel>
                    <TextBlock Text="{Binding Name}" 
                               FontSize="20"
                               FontWeight="Bold"/>
                    <TextBlock Text="{Binding Email}"
                               FontSize="15"
                               Foreground="DodgerBlue"/>
                    <TextBlock Text="{Binding Phone}"
                               FontStyle="Italic"/>
                </StackPanel>
            </DataTemplate>
        </ListView.ItemTemplate>
        
    </ListView>
</Grid>

 

 

2.

 

 

3.

public partial class MainWindow : Window
{
    List<Contact> contacts;

    public MainWindow()
    {
        InitializeComponent();

        contacts = new List<Contact>();

        ReadDataBase();
    }

    private void Button_Click(object sender, RoutedEventArgs e)
    {
        NewContactWindow newContactWindow = new NewContactWindow();
        newContactWindow.ShowDialog();

        ReadDataBase();
    }

    void ReadDataBase()
    {
        using (SQLiteConnection connection = new SQLiteConnection(App.databasePath))
        {
            connection.CreateTable<Contact>();
            contacts = connection.Table<Contact>().ToList();
        }

        if (contacts != null)
        {
            // contact 추가시, 이전 로드된 데이터는 UI에서 사라지도록 구현합니다.
            contactListView.ItemsSource = contacts;
        }
    }

    // 텍스트 박스에서 문자가 변경되면
    private void TextBox_TextChanged(object sender, TextChangedEventArgs e)
    {
        // sender를 통해, searchTextBox 객체를 가져와
        TextBox? searchTextBox = sender as TextBox;

        // contacts 객체 Name 필드 중, searchTextBox.Text 값이 포함된(Contains) 결과를 searchResultList에 담아
        var searchResultList = contacts.Where(contact => contact.Name.Contains(searchTextBox.Text)).ToList();

        // contactListView 컨트롤에 출력
        contactListView.ItemsSource = searchResultList;
    }
}

 

 

 4.

 

 

02.

1.

// contacts 객체 Name 필드 중, searchTextBox.Text 값이 포함된(Contains) 결과를 searchResultList에 담아
// contacts 객체 Name 필드 값을 소문자로 가져옵니다.
// searchTextBox 컨트롤 객체의 text 요소를 소문자로 가져옵니다.
var searchResultList = contacts.Where(contact => contact.Name.ToLower().Contains(searchTextBox.Text.ToLower())).ToList();

 

 

2.

 

 

 

03.

14. ContactApp.zip

0.09MB