关于 Delegate 和 Anonymous method,该如何解决

关于 Delegate 和 Anonymous method
请教各位达人，

C# code

   this.button1.Click += delegate(object sender, EventArgs e) { this.label1.Text = "Button1 was Clicked!"; };   this.button2.Click += new EventHandler(delegate(object sender, EventArgs e) { this.label1.Text = "Button2 was Clicked!"; });