I want to parse json data from xampp

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Threading.Tasks;
using Windows.Data.Json;
using Windows.Storage;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Media.Imaging;

// The data model defined by this file serves as a representative example of a strongly-typed
// model. The property names chosen coincide with data bindings in the standard item templates.
//
// Applications may use this model as a starting point and build on it, or discard it entirely and
// replace it with something appropriate to their needs. If using this model, you might improve app
// responsiveness by initiating the data loading task in the code behind for App.xaml when the app
// is first launched.

namespace TECHHOUSE.Data
{
///

/// Generic item data model.
///

public class SampleDataItem
{
public SampleDataItem(String uniqueId, String title, String subtitle, String imagePath, String description, String content)
{
this.UniqueId = uniqueId;
this.Title = title;
this.Subtitle = subtitle;
this.Description = description;
this.ImagePath = imagePath;
this.Content = content;
}

public string UniqueId { get; private set; }
public string Title { get; private set; }
public string Subtitle { get; private set; }
public string Description { get; private set; }
public string ImagePath { get; private set; }
public string Content { get; private set; }

public override string ToString()
{
return this.Title;
}
}

///

/// Generic group data model.
///

public class SampleDataGroup
{
public SampleDataGroup(String uniqueId, String title, String subtitle, String imagePath, String description)
{
this.UniqueId = uniqueId;
this.Title = title;
this.Subtitle = subtitle;
this.Description = description;
this.ImagePath = imagePath;
this.Items = new ObservableCollection();
}

public string UniqueId { get; private set; }
public string Title { get; private set; }
public string Subtitle { get; private set; }
public string Description { get; private set; }
public string ImagePath { get; private set; }
public ObservableCollection Items { get; private set; }

public override string ToString()
{
return this.Title;
}
}

///

/// Creates a collection of groups and items with content read from a static json file.
///
/// SampleDataSource initializes with data read from a static json file included in the
/// project. This provides sample data at both design-time and run-time.
///

public sealed class SampleDataSource
{
private static SampleDataSource _sampleDataSource = new SampleDataSource();

private ObservableCollection _groups = new ObservableCollection();
public ObservableCollection Groups
{
get { return this._groups; }
}

public static async Task> GetGroupsAsync()
{
await _sampleDataSource.GetSampleDataAsync();

return _sampleDataSource.Groups;
}

public static async Task GetGroupAsync(string uniqueId)
{
await _sampleDataSource.GetSampleDataAsync();
// Simple linear search is acceptable for small data sets
var matches = _sampleDataSource.Groups.Where((group) => group.UniqueId.Equals(uniqueId));
if (matches.Count() == 1) return matches.First();
return null;
}

public static async Task GetItemAsync(string uniqueId)
{
await _sampleDataSource.GetSampleDataAsync();
// Simple linear search is acceptable for small data sets
var matches = _sampleDataSource.Groups.SelectMany(group => group.Items).Where((item) => item.UniqueId.Equals(uniqueId));
if (matches.Count() == 1) return matches.First();
return null;
}

private async Task GetSampleDataAsync()
{
if (this._groups.Count != 0)
return;

Uri dataUri = new Uri("ms-appx:///DataModel/SampleData.json");

StorageFile file = await StorageFile.GetFileFromApplicationUriAsync(dataUri);
string jsonText = await FileIO.ReadTextAsync(file);
JsonObject jsonObject = JsonObject.Parse(jsonText);
JsonArray jsonArray = jsonObject["Groups"].GetArray();

foreach (JsonValue groupValue in jsonArray)
{
JsonObject groupObject = groupValue.GetObject();
SampleDataGroup group = new SampleDataGroup(groupObject["UniqueId"].GetString(),
groupObject["Title"].GetString(),
groupObject["Subtitle"].GetString(),
groupObject["ImagePath"].GetString(),
groupObject["Description"].GetString());

foreach (JsonValue itemValue in groupObject["Items"].GetArray())
{
JsonObject itemObject = itemValue.GetObject();
group.Items.Add(new SampleDataItem(itemObject["UniqueId"].GetString(),
itemObject["Title"].GetString(),
itemObject["Subtitle"].GetString(),
itemObject["ImagePath"].GetString(),
itemObject["Description"].GetString(),
itemObject["Content"].GetString()));
}
this.Groups.Add(group);
}
}
}
}