INotifyPropertyChanged接口应用示例

public class Customer :INotifyPropertyChanged
{
    public event PropertyChangedEventHandler PropertyChanged=delegate{};
    private string _customerName;
    private string _phoneNumber;
    public string CustomerName
    {
        get{return _customerName;}
        set
        {
            if(_customerName!=value)
            {
                    _customerName=value;
                    PropertyChanged(this,new PropertyChanged("CustomerName"));
            }
        }
    }       
    public string PhoneNumber
    {
        get{return _phoneNumber;}
        set
        {
            if(_phoneNumber!=value)
            {
                    _phoneNumber=value;
                    PropertyChanged(this,new PropertyChanged("PhoneNumber"));
            }
        }
    } 
}
/*******************************************************/
public class Form
{
    private BindingList<Customer> customers= new BindingList<Customer>();
}
public void AddData()
{
    customers.Add(new Customer() {Customer="zs",PhoneNumber="123"});
    customers.Add(new Customer(){Customer="ls",PhoneNumber="456"});
    this.dataGridViewe1.DataSource = customers;
}
public void UpdateData()
{
    customers[0].CustomerName="ww";
}