CodeSnippet

using System.IO;

using UIKit;

var window = new UIWindow(UIScreen.MainScreen.Bounds);
window.MakeKeyAndVisible();


var controller = new UIViewController();

window.RootViewController = controller;

controller.View.BackgroundColor = UIColor.Magenta;

var name =  new UITextField{ Placeholder = "Enter Name", BorderStyle = UITextBorderStyle.RoundedRect, Frame = new CGRect(10, 80, controller.View.Bounds.Width -20, 31.0f)};

controller.View.AddSubview(name);

var email =  new UITextField{ Placeholder = "Enter Email", BorderStyle = UITextBorderStyle.RoundedRect, KeyboardType = UIKeyboardType.EmailAddress, Frame = new CGRect(10, 120, controller.View.Bounds.Width -20, 31.0f)};
var password = new UITextField{ Placeholder = "Enter Password", BorderStyle = UITextBorderStyle.RoundedRect, SecureTextEntry = true, Frame = new CGRect(10, 160, controller.View.Bounds.Width - 20, 31.0f)};
var enterButton = UIButton.FromType(UIButtonType.System);
enterButton.Frame = new CGRect(10, 200, controller.View.Bounds.Width - 20, 31.0f);
enterButton.SetTitle ("Submit", UIControlState.Normal);

controller.View.AddSubviews(new UIView[]{email, password, enterButton});


			enterButton.TouchUpInside += (object sender, EventArgs e) =>
			{
				String strtxt = "Email : " + email.Text + "   Name " + name.Text;

				Console.WriteLine();

				lbl.Text = strtxt;

			};