To let the controller know when something async happens, use Angular promises. To provoke the $apply, you don’t need the scope, you can call $rootScope.$apply, as there is no difference calling it in a specific scope or in the root. Regarding the variable reading, it would be better if you received parameters. But you could … Read more
You should use the StringFormat on the Binding. You can use either standard string formats, or custom string formats: <TextBox Text=”{Binding Value, StringFormat=N2}” /> <TextBox Text=”{Binding Value, StringFormat={}{0:#,#.00}}” /> Note that the StringFormat only works when the target property is of type string. If you are trying to set something like a Content property (typeof(object)), … Read more
Just use <%# Container.DataItem.ToString() %> If you are worried about null values you may want to refactor to this (.NET 6+) <asp:Repeater ID=”repeater” runat=”server”> <ItemTemplate> <%# Container.DataItem?.ToString() ?? string.Empty%> </ItemTemplate> </asp:Repeater> Note if you are using less than .NET 6 you cannot use the null-conditional operator Container.DataItem?.ToString()
The format string is intended to work on a DateTime, not a TimeSpan. You could change your code to work with DateTime.Now instead. Your xaml is fine: <TextBlock Text=”{Binding MyTime,StringFormat=HH:mm}”/> Update And from .Net 4 format a TimeSpan as follows: <TextBlock Text=”{Binding MyTime,StringFormat=hh\\:mm}”/>
Replace: myBinding.Source = ViewModel.SomeString; with: myBinding.Source = ViewModel; Example: Binding myBinding = new Binding(); myBinding.Source = ViewModel; myBinding.Path = new PropertyPath(“SomeString”); myBinding.Mode = BindingMode.TwoWay; myBinding.UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged; BindingOperations.SetBinding(txtText, TextBox.TextProperty, myBinding); Your source should be just ViewModel, the .SomeString part is evaluated from the Path (the Path can be set by the constructor or by the … Read more
As you are referring to a combobox, I’m assuming you don’t want to use 2-way databinding (if so, look at using a BindingList) public class Country { public string Name { get; set; } public IList<City> Cities { get; set; } public Country(string _name) { Cities = new List<City>(); Name = _name; } } List<Country> … Read more
Angular has released its final version on 15th of September. Unlike Angular 1 you can use ngModel directive in Angular 2 for two way data binding, but you need write it in a bit different way like [(ngModel)] (Banana in a box syntax). Almost all angular2 core directives doesn’t support kebab-case now instead you should … Read more
According to the official docs: ViewBinding Only binding views to code. DataBinding Binding data (from code) to views + ViewBinding (Binding views to code) There are three important differences With view binding, the layouts do not need a layout tag You can’t use viewbinding to bind layouts with data in xml (No binding expressions, no … Read more
This post was extremely helpful. Thanks to all who contributed. Here is a LINQ version that you will either love or hate. private void CanExecute(object sender, CanExecuteRoutedEventArgs e) { e.CanExecute = IsValid(sender as DependencyObject); } private bool IsValid(DependencyObject obj) { // The dependency object is valid if it has no errors and all // of … Read more
I had problems with the relative source in Silverlight. After searching and reading I did not find a suitable solution without using some additional Binding library. But, here is another approach for gaining access to the parent DataContext by directly referencing an element of which you know the data context. It uses Binding ElementName and … Read more