Data Binding WPF

Data Binding WPF

I am new to WPF. can any one please let me know how data binding works?
and please help me for the following code I want to assign this Name
property to text box or text block can anybody help?
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.ComponentModel;
namespace MyFirstExample.ViewModel
{
class ViewModelAdd: INotifyPropertyChanged
{
private String m_Name = "Hello";
#region INotifyPropertyChanged Members
public event PropertyChangedEventHandler PropertyChanged;
private void OnPropertyChanged(string propertyName)
{
if (PropertyChanged != null)
{
PropertyChanged(this, new
PropertyChangedEventArgs(propertyName));
}
}