Binding of a collection

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I want to bind a observable collection to a grid through xaml

collection is in cs file of xaml1 and grid in xaml2... how do i do it..

Posted 7-Jun-11 20:20pm

Ashakoti

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Wayne Gaylard · Answer 1 · 2011-06-07T21:04:00

You need to make the ObservableCollection available via a Public Property on xaml1. Then in xaml2 you need a reference to xaml1, you can do this by passing an instance of xaml1 in the constructor of xaml2. Then you can bind the DataGrid to the Collection. Here is a simple example( I used WPF but the methodology is the same for Silverlight)

C#

public partial class MainWindow: Window
   {
       private ObservableCollection<Person> people;
       public ObservableCollection<Person> People
       {
           get
           {
               return people;
           }
       }
       public MainWindow()
       {
           InitializeComponent();
           people = new ObservableCollection<Person>() {new Person("a"), new Person("b"), new Person("c"), new Person("d"), new Person("e") };
       }
       private void buttonClick(object sender, RoutedEventArgs e)
       {
           Window1 w1 = new Window1(this);
           w1.Show();
       }
   }
   public class Person
   {
       public string Name { get; set; }
       public Person(string name)
       {
           this.Name = name;
       }
   }

and this is how to bind in the second window

C#

public partial class Window1 : Window
   {
       public Window1(MainWindow mw)
       {
           InitializeComponent();
           dataGrid1.DataContext = mw.People;
           dataGrid1.DisplayMemberPath = "Name";
       }
   }

Hope this helps