Bind data in WPF MVVM

Question

How do I bind data in Textblock? when I write data in textbox then press add button and it will be bind data in textblock using listview WPF MVVM ?

Dhaval Sojitra · Answer

Hi Can you go with step by step because i am new in this technology.

Rhishikesh Lathe · Answer

With MVVM your code behind will look as bellow: There is no change in XAML. public partial class MainWindow : Window { ViewModel objViewModel = null; public MainWindow() { InitializeComponent(); objViewModel = new ViewModel(); this.DataContext = objViewModel; //bind item source of list to ObservableCollection lst.ItemsSource = objViewModel.Specs; } //on click of add + button private void ADD_Click(object sender RoutedEventArgs e) { objViewModel.Specs.Add(txtSpec.Text); } } public class ViewModel { public System.Collections.ObjectModel.ObservableCollection Specs = new System.Collections.ObjectModel.ObservableCollection (); public ViewModel() { } }

Dhaval Sojitra · Answer

Hello Rhishikesh Thank you for your replay. I want above answer in MVVM.

Rhishikesh Lathe · Answer

Try bellow code: //Code behind namespace WpfApplication1 { /// /// Interaction logic for MainWindow.xaml /// public partial class MainWindow : Window { System.Collections.ObjectModel.ObservableCollection Specs = new System.Collections.ObjectModel.ObservableCollection (); public MainWindow() { InitializeComponent(); //bind item source of list to ObservableCollection lst.ItemsSource = Specs; } //on click of add + button private void ADD_Click(object sender RoutedEventArgs e) { Specs.Add(txtSpec.Text); } } } //XAML: xmlns=http://schemas.microsoft.com/winfx/2006/xaml/presentation xmlns:x=http://schemas.microsoft.com/winfx/2006/xaml xmlns:d=clr-namespace:WpfApplication1 Title=MainWindow Height=350 Width=525>