MVP in asp .net / sharepoint

The view interface

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace SharpSoutions.MVP
{
    public interface IView
    {
         Model DataSource { get; set; }
         void DataBind();
         void UpdateModel();

         event EventHandler Saved;
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using SharpSoutions.MVP.Domain;

namespace SharpSoutions.MVP
{
    [Serializable]
    public class Model
    {
        public Person NewPerson { get; set; }

        public Title[] Titles { get; set; }
    }
}

The presenter

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using SharpSoutions.MVP.Domain;
using System.Diagnostics;

namespace SharpSoutions.MVP
{
    public class Presenter
    {
        private Data.IRepository<Title> titleRepository;
        private Data.IRepository<Person> personRepository;
        

        public Presenter(Data.IRepository<Title> titleRepository, Data.IRepository<Person> personRepository)
        {
            Trace.TraceInformation("Begin Presenter.Ctor");
            this.titleRepository = titleRepository;
            this.personRepository = personRepository;
            
            this.Model = new Model();
            this.Model.NewPerson = new Person();
            Trace.TraceInformation("End Presenter.Ctor");
        }

        public Model Model { get; set; }

        public IView View { get; set; }

        /// <summary>
        /// Init populates the "static" data
        /// These are the data that is shown in dropdown boxes etc
        /// </summary>
        /// <param name="mockView"></param>
        public void Init(IView view)
        {
            Trace.TraceInformation("Begin Presenter.Init");
            AttachView(view);
            this.View.DataSource = this.Model;
            
            this.Model.Titles = this.titleRepository.Query();

            this.View.DataBind();
            Trace.TraceInformation("End Presenter.Init");
        }

        public void AttachView(IView view) {
            this.View = view;
            this.View.Saved += new EventHandler(View_Saved);

        }

        void View_Saved(object sender, EventArgs e)
        {
            System.Diagnostics.Trace.TraceInformation("Begin Presenter.View_Saved");
            this.Save();
            System.Diagnostics.Trace.TraceInformation("End Presenter.View_Saved");
        }

        public void Save()
        {
            System.Diagnostics.Trace.TraceInformation("Begin Presenter.Save");
            this.View.UpdateModel();

            personRepository.Update(this.Model.NewPerson);
            System.Diagnostics.Trace.TraceInformation("End Presenter.Save");
        }
    }
}

The View implementation

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using SharpSoutions.MVP.Domain;

namespace SharpSoutions.MVP.Web
{
    public partial class View : System.Web.UI.UserControl, IView
    {
        

        public Model DataSource{
            get {
                if (ViewState["d"] != null) {
                    return (Model)ViewState["d"];
                }

                return null;
            }

            set {
                ViewState["d"] = value;
            }
        }

        public override void DataBind()
        {
            System.Diagnostics.Trace.TraceInformation("Begin View.Databind");
            base.DataBind();

            TitleDropDown.DataSource = this.DataSource.Titles;
            if (this.DataSource.NewPerson.Title != null) {
                TitleDropDown.SelectedValue = this.DataSource.NewPerson.Title.Id.ToString();    
            }
                        
            TitleDropDown.DataTextField = "Name";
            TitleDropDown.DataValueField = "Id";
            TitleDropDown.DataBind();

            nameTextbox.Text = this.DataSource.NewPerson.Name;
            System.Diagnostics.Trace.TraceInformation("End View.Databind");
        }


        public void UpdateModel()
        {
            System.Diagnostics.Trace.TraceInformation("Begin View.UpdateModel");
            this.DataSource.NewPerson.Name = nameTextbox.Text;
            ListItem selectedTitle = TitleDropDown.SelectedItem;
            this.DataSource.NewPerson.Title = new Title { Id = int.Parse(selectedTitle.Value), Name = selectedTitle.Text };
            System.Diagnostics.Trace.TraceInformation("End View.UpdateModel");
        }

        public event EventHandler Committed;

        protected void SaveButton_Click(object sender, EventArgs e)
        {
            System.Diagnostics.Trace.TraceInformation("Begin View.SaveButton_Click");
            
            if (this.Saved != null) {
                this.Saved(this, EventArgs.Empty);
            }
            System.Diagnostics.Trace.TraceInformation("End View.SaveButton_Click");
        }


        public event EventHandler Saved;
    }
}