wpf mvvm crud example

                
                        public class StudentRecord : ViewModelBase
{
	private int _id;
	public int Id
	{
		get
		{
			return _id;
		}
		set
		{
			_id = value;
			OnPropertyChanged("Id");
		}
	}

	private string _name;
	public string Name
	{
		get
		{
			return _name;
		}
		set
		{
			_name = value;
			OnPropertyChanged("Name");
		}
	}

	private int _age;
	public int Age
	{
		get
		{
			return _age;
		}
		set
		{
			_age = value;
			OnPropertyChanged("Age");
		}
	}

	private string _address;
	public string Address
	{
		get
		{
			return _address;
		}
		set
		{
			_address = value;
			OnPropertyChanged("Address");
		}
	}

	private string _contact;
	public string Contact
	{
		get
		{
			return _contact;
		}
		set
		{
			_contact = value;
			OnPropertyChanged("Contact");
		}
	}

	private ObservableCollection<StudentRecord> _studentRecords;
	public ObservableCollection<StudentRecord> StudentRecords
	{
		get
		{
			return _studentRecords;
		}
		set
		{
			_studentRecords = value;
			OnPropertyChanged("StudentRecords");
		}
	}

	private void StudentModels_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
	{
		OnPropertyChanged("StudentRecords");
	}
}