data-binding

[Solved] How to call a non-static method from another class without using instances in c#?

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This all depends on the functionality of your Connections class. The easiest answer I can give is that you can make the individual methods static, assuming they don’t require instance specific data. If your individual methods require instance specific data, then you could possibly make the instance a singleton instance (either through have an Instance … Read more

[Solved] What’s the best way to add/remove dynamically Form Array item?

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You should call push method on formArray control. Since you are pushing new FormGroup inside normal array underlaying FormGroup is not get updated. addFarina() { let farineForm = this.form.value.ingredienti.farine; let farineFormControls = this.form.get(‘ingredienti’).get(‘farine’) as FormArray; if (farineForm.length < 4) { const farina = this.fb.group({ quantita: [null, [Validators.required]], nome: [”] }) farineFormControls.push(farina); } console.log(this.form.get(‘ingredienti’).value); } Now … Read more

[Solved] WPF binding to custom class with observable collection

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It sounds like you haven’t assigned your DataContext. Below is a brief example. Assuming your custom class looks something like this: CODE: public class Foo { private ObservableCollection<string> _names; public ObservableCollection<string> Names { get{ return _names;} set { _names = value; } } } and your XAML looks like XAML: <ListBox Name=”lstNames” ItemsSource=”{Binding Names}”/> Set … Read more

[Solved] overriding ToString() method, behaves strange with Binding

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<DataGridTextColumn Header=”Name” Binding=”{Binding Path=Name,Mode=TwoWay}” /> DataGridTextColumn takes a CellContent instance and calls ToString() to display it. It displays Value, but without .Value in the path edits in datagrid cells are not applied. <DataTrigger Binding=”{Binding IsTrend}” Value=”True” > DataTrigger takes a CellContent instance and calls Equals() with parameter “True”. But CellContent object is not equal to … Read more

[Solved] Full example or tutorial about how to get Context from data binding android [closed]

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The best way to format date and time is with String formatting. For example, you can use this: <TextView android:text=”@{@string/dateFormat(user.birthday)}” …/> Where the dateFormat is a resource like this: <string name=”dateFormat”>%1$td/%1$tm/%1$tY</string> And the birthday is a long. You should look at the date formatter documentation for more formatting information related to time and date. In … Read more

[Solved] Adding an item to a List which is DataBinded to a DataGrid

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Are you adding items to the data bound List<CustomClass> on a background thread? Then you could use the dispatcher to marshall the Add call to back the UI thread: Application.Current.Dispatcher.BeginInvoke(new Action(()=> { yourCollection.Add(yourItem); }))); Do this for all Add and Remove operations that modify the source collection. You should also replace the List<CustomClass> with an … Read more

[Solved] Data sharing between java web application and Mainframes

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Create web services in your java application that expose the data the Mainframe wants from the Oracle database. It will then be up to the Mainframe development group to choose the language and framework that best fits their environment to call the web services. Since Mainframe systems are heavily customized you need to discuss requirements … Read more