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checkbox checked or click event not firing in datatemplate


checkbox checked or click event not firing in datatemplate

By : Diego Callejas
Date : November 22 2020, 02:59 PM
hope this fix your issue I am not sure how you use it, but the your code works for me and the click event got fired. Check the following and if you still cannot find the point, share a repro project to show how you used it.
Template XAML:
code :
<ResourceDictionary x:Class="App10.EquipmentDataTemplate"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 >

    <DataTemplate x:Key="EquipmentDataTemplate">
        <Grid>
            <CheckBox Content="Click Me" Checked="ToggleButton_OnChecked" Click="CheckBox_Click"/>
        </Grid>
    </DataTemplate>
</ResourceDictionary>
namespace App10
{
    public sealed partial class EquipmentDataTemplate : ResourceDictionary
    {
        public EquipmentDataTemplate()
        {
            this.InitializeComponent();
        }

        private void ToggleButton_OnChecked(object sender, RoutedEventArgs e)
        {
            // breakpoint not hit
        }

        private void CheckBox_Click(object sender, RoutedEventArgs e)
        {
            // breakpoint not hit
        }
    }
}
<Page
    x:Class="App10.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:App10"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">

    <Page.Resources>
        <local:EquipmentDataTemplate></local:EquipmentDataTemplate>
    </Page.Resources>

    <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
        <ListView x:Name="listView" CanReorderItems="True" AllowDrop="True" ItemTemplate="{StaticResource EquipmentDataTemplate}">

        </ListView>

    </Grid>
</Page>
namespace App10
{
    /// <summary>
    /// An empty page that can be used on its own or navigated to within a Frame.
    /// </summary>
    public sealed partial class MainPage : Page
    {
        public MainPage()
        {
            this.InitializeComponent();
            var list = new ObservableCollection<string>();
            for (int i = 0; i < 10; i++)
            {
                list.Add("Item " + i);

            }
            listView.ItemsSource = list;
        }
    }
}


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Silverlight 3.0 Custom ListBox DataTemplate has a checkbox, checked event not firing

Silverlight 3.0 Custom ListBox DataTemplate has a checkbox, checked event not firing


By : Nevin
Date : March 29 2020, 07:55 AM
Hope this helps The datatemplate for the ListBox is set dynamically by XamlReader.Load. I am subscribing to Checked event by getting the CheckBox object using VisualTreeHelper.GetChild. This event is not getting fired , Removed ItemTemplate and added the below code
code :
                var checkBox = new CheckBox { DataContext = item };
                if (string.IsNullOrEmpty(TextContent)) checkBox.Content = item.ToString();
                else
                    checkBox.SetBinding(ContentControl.ContentProperty,
                                        new Binding(TextContent) { Mode = BindingMode.OneWay });
                if (!string.IsNullOrEmpty(BindValue))
                    checkBox.SetBinding(ToggleButton.IsCheckedProperty,
                                        new Binding(BindValue) { Mode = BindingMode.TwoWay });
                checkBox.SetBinding(IsEnabledProperty, new Binding("IsEnabled") { Mode = BindingMode.OneWay });
                checkBox.Checked += (sender, RoutedEventArgs) => { SetSelectedItemText(true, ((CheckBox)sender).GetValue(CheckBox.ContentProperty).ToString()); };
                checkBox.Unchecked += (sender, RoutedEventArgs) => { SetSelectedItemText(true, ((CheckBox)sender).GetValue(CheckBox.ContentProperty).ToString()); };
Firing an event when checkbox is checked for WPF

Firing an event when checkbox is checked for WPF


By : Farrukh Shahzad Ahme
Date : March 29 2020, 07:55 AM
I hope this helps you . What will be the correct way to get what are currently being checked in the CheckBox. What i have done so far will not firing any event on CheckBox items checked: , You can use the checked events:
code :
<CheckBox Name="myCheckBox" 
          Content="I am a checkbox!" 
          Checked="myCheckBox_Checked" 
          Unchecked="myCheckBox_Unchecked" />
private void myCheckBox_Checked(object sender, RoutedEventArgs e)
{
    // ...
}

private void myCheckBox_Unchecked(object sender, RoutedEventArgs e)
{
    // ...
}
if (sender != null)
{
     int posID = Convert.ToInt32(((CheckBox)sender).Name);
}
Checkbox checked event not firing in wpf

Checkbox checked event not firing in wpf


By : justinleesf
Date : March 29 2020, 07:55 AM
this one helps. hi in my form(adminentitylist.xaml) file contains the code is below , Here is a simple example:
code :
<Window x:Class="CheckboxCheckedCommand.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="MainWindow" Height="350" Width="525">
<Grid>
    <CheckBox Content="Case Sensitive" Command="{Binding checkedCommand}"/>
</Grid>
public partial class MainWindow : Window
{
    public ViewModel vm { get; set; }

    public MainWindow()
    {
        InitializeComponent();

        vm = new ViewModel();
        this.DataContext = vm;
    }
}
public class ViewModel
{
    public ICommand checkedCommand { get; set; }

    public ViewModel()
    {
        checkedCommand = new CheckedCommand(this);
    }

    public void CheckedHandler()
    {
        //todo - implement your handler
    }
}
public class CheckedCommand : ICommand
{
    private ViewModel _vm = null;
    public CheckedCommand(ViewModel _viewModel)
    {
        _vm = _viewModel;
    }

    public bool CanExecute(object parameter)
    {
        return true;
    }

    public event EventHandler CanExecuteChanged;

    public void Execute(object parameter)
    {
        _vm.CheckedHandler();
    }
}
public partial class MainWindow : Window
{
    public bool IsChecked
    {
        get { return (bool)GetValue(IsCheckedProperty); }
        set { SetValue(IsCheckedProperty, value); }
    }

    // Using a DependencyProperty as the backing store for IsChecked.  This enables animation, styling, binding, etc...
    public static readonly DependencyProperty IsCheckedProperty =
        DependencyProperty.Register("IsChecked", typeof(bool), typeof(MainWindow), new PropertyMetadata(false, new PropertyChangedCallback(PropertyChanged)));


    private static void PropertyChanged(DependencyObject obj, DependencyPropertyChangedEventArgs e)
    {
        //textbox.ScrollToEnd(); //An object reference is required for the non-static field.

        MainWindow localWindow = (MainWindow)obj;
        Console.WriteLine(localWindow.TestString);
    }

    public string TestString { get; set; }

    public MainWindow()
    {
        InitializeComponent();

        TestString = "test";
        this.DataContext = this;
    }
 }
<CheckBox Content="Case Sensitive" IsChecked="{Binding IsChecked}"/>
Create CheckBox Checked event in DataTemplate contained in Resource Dictionary

Create CheckBox Checked event in DataTemplate contained in Resource Dictionary


By : Durgesh Sharma
Date : March 29 2020, 07:55 AM
wish help you to fix your issue
How do I programmatically attach a Checked event to the contained Checkbox
Click Event for button in ListView DataTemplate not firing

Click Event for button in ListView DataTemplate not firing


By : user3512190
Date : March 29 2020, 07:55 AM
this will help
Try replacing the event PreviewMouseLeftButtonDown with MouseLeftButtonUp or PreviewLeftButtonUp. The PreviewMouseLeftButtonDown could be eating up the event that would otherwise get handled by your button.
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