How to get the Infragistics tree view in using silverlight

Question

How to get Infragistics Tree View from XML file using Silverlight. Please Send the code Help me.

chetan Allipur · Answer

Yes I will send the code T his is for xaml xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" d:DesignHeight="300" d:DesignWidth="400">--> xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" mc:Ignorable="d" d:DesignHeight="500" d:DesignWidth="700" Title="ViewModelBinding Page" xmlns:framework="clr-namespace:Infragistics.Samples.Framework;assembly=Infragistics.Samples.Framework" xmlns:ig="http://schemas.infragistics.com/xaml" xmlns:res="clr-namespace:Infragistics_SilverLight.Resources"> --> This is for Code-Behind using Infragistics.Controls.Menus; using System; using System.Collections.Generic; using System.ComponentModel; using System.Linq; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Shapes; using System.Xml.Linq; using Infragistics.Controls.Menus; using Infragistics.Samples.Framework; using Infragistics.Samples.Shared.DataProviders; using Infragistics.Samples.Shared.Extensions; using Infragistics.Samples.Shared.Models; using System.Windows.Data.XmlDataProvider; namespace Infragistics_SilverLight { public partial class Tree : UserControl { public Tree() { InitializeComponent(); this.Loaded += OnSampleLoaded; this.MyTree.Loaded += new RoutedEventHandler(dataTree_Loaded); } void dataTree_Loaded(object sender, RoutedEventArgs e) { XamTree tree = (XamTree)sender; if (tree.XamTreeItems.Count() > 0) { tree.XamTreeItems[0].IsExpanded = true; } } private BookDataSource viewModel; void OnSampleLoaded(object sender, RoutedEventArgs e) { this.viewModel = new BookDataSource(); this.DataContext = this.viewModel; this.DownloadDataSource(); } private XmlDataProvider xmlDataProvider; /// /// This method is used for downloading the sample's data source. To support localization we created a custom helper class. /// void DownloadDataSource() { xmlDataProvider = new XmlDataProvider(); xmlDataProvider.GetXmlDataCompleted += new EventHandler (xmlDataProvider_GetXmlDataCompleted); xmlDataProvider.GetXmlDataAsync("Books.xml"); // xml file name } void xmlDataProvider_GetXmlDataCompleted(object sender, GetXmlDataCompletedEventArgs gxdcea) { XDocument doc = gxdcea.Result; if (doc != null) { var dataSource = (from d in doc.Descendants("book") where (d.Descendants("chapter") != null && d.Descendants("chapter").Count() > 0) select new Book { Author = d.Attribute("Author").Value, Title = d.Attribute("Title").Value, UnitPrice = d.Attribute("UnitPrice").Value, Url = d.Attribute("Url").Value, ReleaseDate = d.Attribute("ReleaseDate").Value, Chapters = this.GetChapters(d) }); this.viewModel.Books = dataSource.ToList(); } if (this.MyTree.XamTreeItems.Count() > 0) { this.MyTree.XamTreeItems[0].IsExpanded = true; } } public class Book:INotifyPropertyChanged { public string Author { get; set; } public string Title { get; set; } public string UnitPrice { get; set; } public string Url { get; set; } public decimal Price { get; set; } public string ReleaseDate { get; set; } public IEnumerable Chapters { get; set; } } public class Chapter : INotifyPropertyChanged { public string Title { get; set; } } private IEnumerable GetChapters(XElement parent) { return (from d in parent.Descendants("chapter") select new Chapter { Title = d.Attribute("Title").Value }).ToList (); } } public class BookDataSource : ObservableModel { public event PropertyChangedEventHandler PropertyChanged; protected virtual void OnPropertyChanged(string propertyName) { if (PropertyChanged != null) { PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); } } public BookDataSource() { } private IEnumerable books; public IEnumerable Books { get { return this.books; } set { if (this.books != value) { this.books = value; this.OnPropertyChanged("Books"); } } } } }

Suvendu Shekhar Giri · Answer

Anything you have tried so far?

How to get the Infragistics tree view in using silverlight

Answers (2)