Programming

using System ;
using System.Windows.Forms ;

public class login
{
	static TextBox txt1 = new TextBox() ;
	static TextBox txt2 = new TextBox() ;
	static Button btn1 = new Button() ;
	static Label sysMsg = new Label() ;
	static Label usrMsg = new Label() ;
	static Label pwdMsg = new Label() ;
		
	public static void Main()
	{
		Form frmMain = new Form() ;
		frmMain.Text = "Login Client" ;
		frmMain.StartPosition = FormStartPosition.CenterScreen ;
		frmMain.Closed += new EventHandler(frmMain_Closed) ;
		
		txt1.Location = new System.Drawing.Point(100,10) ;
		txt2.Location = new System.Drawing.Point(100,50) ;
		
		btn1.Text = "Login" ;
		btn1.Location = new System.Drawing.Point(10,100) ;
		btn1.Click += new EventHandler(btn1_Click) ;
		
		usrMsg.Text = "Username" ;
		usrMsg.AutoSize = true ;
		usrMsg.Location = new System.Drawing.Point(10,15) ;
		
		pwdMsg.Text = "Password" ;
		pwdMsg.AutoSize = true ;
		pwdMsg.Location = new System.Drawing.Point(10,55) ;
		
		sysMsg.Text = " " ;
		sysMsg.AutoSize = true ;
		sysMsg.Location = new System.Drawing.Point(10,130) ;
		
		frmMain.Controls.Add( txt1 ) ;
		frmMain.Controls.Add( txt2 ) ;
		frmMain.Controls.Add( btn1 ) ;
		frmMain.Controls.Add( sysMsg ) ;
		frmMain.Controls.Add( usrMsg ) ;
		frmMain.Controls.Add( pwdMsg ) ;
		
		frmMain.Show() ;
		
		Application.Run() ;
		
	}
	
	private static void frmMain_Closed( object sender, System.EventArgs e)
	{
		Application.Exit() ;
	}
	
	private static void btn1_Click( object s, System.EventArgs e)
	{
		sysMsg.Text = ( txt1.Text.Equals( String.Empty ) ) ? "Incorrect Username or Password" : "Logging in..." ;
	}
}