Build a Google IG like AJAX Start Page in 7 days using ASP.NET AJAX and .NET 3.0

using System;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Collections;
using System.Drawing;
using System.Workflow.ComponentModel;
using System.Workflow.ComponentModel.Design;
using System.Workflow.ComponentModel.Compiler;
using System.Workflow.ComponentModel.Serialization;
using System.Workflow.Runtime;
using System.Workflow.Activities;
using System.Workflow.Activities.Rules;

using System.Query;
using System.Data.DLinq;

using DashboardDataAccess;

namespace DashboardBusiness.Activities
{
    public partial class ChangeWidgetInstancePositionActivity : System.Workflow.ComponentModel.Activity
	{
		public ChangeWidgetInstancePositionActivity()
		{
			InitializeComponent();
		}

        private static DependencyProperty ColumnNoProperty = DependencyProperty.Register("ColumnNo", typeof(int), typeof(ChangeWidgetInstancePositionActivity));
        public int ColumnNo
        {
            get { return (int)base.GetValue(ColumnNoProperty); }
            set { base.SetValue(ColumnNoProperty, value); }
        }

        private static DependencyProperty RowNoProperty = DependencyProperty.Register("RowNo", typeof(int), typeof(ChangeWidgetInstancePositionActivity));
        public int RowNo
        {
            get { return (int)base.GetValue(RowNoProperty); }
            set { base.SetValue(RowNoProperty, value); }
        }

        private static DependencyProperty WidgetInstanceIdProperty = DependencyProperty.Register("WidgetInstanceId", typeof(int), typeof(ChangeWidgetInstancePositionActivity));
        public int WidgetInstanceId
        {
            get { return (int)base.GetValue(WidgetInstanceIdProperty); }
            set { base.SetValue(WidgetInstanceIdProperty, value); }
        }

        protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)
        {
            WidgetInstance widgetInstance = DatabaseHelper.GetDashboardData().WidgetInstances.Single( wi => wi.Id == WidgetInstanceId );

            DatabaseHelper.Update<WidgetInstance>( widgetInstance, delegate( WidgetInstance wi )
            {
                wi.ColumnNo = ColumnNo;
                wi.OrderNo = RowNo;
            });

            return ActivityExecutionStatus.Closed;
        }
	}
}