Implementing Model-View-Presenter in ASP.NET

using System;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using System.Data.Common;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Configuration;
using System.Xml;
using System.Xml.Serialization;
using SubSonic;
using SubSonic.Utilities;


namespace Model.Data.Northwind{
    /// <summary>
    /// Strongly-typed collection for the ProductsAboveAveragePrice class.
    /// </summary>
    [Serializable]
    public partial class ProductsAboveAveragePriceCollection : ReadOnlyList<ProductsAboveAveragePrice, ProductsAboveAveragePriceCollection>
    {        
        public ProductsAboveAveragePriceCollection() {}

    }

    /// <summary>
    /// This is  Read-only wrapper class for the Products Above Average Price view.
    /// </summary>
    [Serializable]
    public partial class ProductsAboveAveragePrice : ReadOnlyRecord<ProductsAboveAveragePrice> 
    {
    
	    #region Default Settings
	    protected static void SetSQLProps() 
	    {
		    GetTableSchema();
	    }

	    #endregion
        #region Schema Accessor
	    public static TableSchema.Table Schema
        {
            get
            {
                if (BaseSchema == null)
                {
                    SetSQLProps();
                }

                return BaseSchema;
            }

        }

    	
        private static void GetTableSchema() 
        {
            if(!IsSchemaInitialized)
            {
                //Schema declaration
                TableSchema.Table schema = new TableSchema.Table("Products Above Average Price", TableType.View, DataService.GetInstance("Northwind"));
                schema.Columns = new TableSchema.TableColumnCollection();
                schema.SchemaName = "dbo";
                //columns
                
                TableSchema.TableColumn colvarProductName = new TableSchema.TableColumn(schema);
                colvarProductName.ColumnName = "ProductName";
                colvarProductName.DataType = DbType.String;
                colvarProductName.MaxLength = 40;
                colvarProductName.AutoIncrement = false;
                colvarProductName.IsNullable = false;
                colvarProductName.IsPrimaryKey = false;
                colvarProductName.IsForeignKey = false;
                colvarProductName.IsReadOnly = false;
                
                schema.Columns.Add(colvarProductName);
                
                TableSchema.TableColumn colvarUnitPrice = new TableSchema.TableColumn(schema);
                colvarUnitPrice.ColumnName = "UnitPrice";
                colvarUnitPrice.DataType = DbType.Currency;
                colvarUnitPrice.MaxLength = 0;
                colvarUnitPrice.AutoIncrement = false;
                colvarUnitPrice.IsNullable = true;
                colvarUnitPrice.IsPrimaryKey = false;
                colvarUnitPrice.IsForeignKey = false;
                colvarUnitPrice.IsReadOnly = false;
                
                schema.Columns.Add(colvarUnitPrice);
                
                
                BaseSchema = schema;
                //add this schema to the provider
                //so we can query it later
                DataService.Providers["Northwind"].AddSchema("Products Above Average Price",schema);
            }

        }

        #endregion
        
        #region Query Accessor
	    public static Query CreateQuery()
	    {
		    return new Query(Schema);
	    }

	    #endregion
	    
	    #region .ctors
	    public ProductsAboveAveragePrice()
	    {
            SetSQLProps();
            SetDefaults();
            MarkNew();
        }

        public ProductsAboveAveragePrice(bool useDatabaseDefaults)
	    {
		    SetSQLProps();
		    if(useDatabaseDefaults)
		    {
				ForceDefaults();
			}

			MarkNew();
	    }

	    
	    public ProductsAboveAveragePrice(object keyID)
	    {
		    SetSQLProps();
		    LoadByKey(keyID);
	    }

    	 
	    public ProductsAboveAveragePrice(string columnName, object columnValue)
        {
            SetSQLProps();
            LoadByParam(columnName,columnValue);
        }

        
	    #endregion
	    
	    #region Props
	    
          
        [XmlAttribute("ProductName")]
        public string ProductName 
	    {
		    get
		    {
			    return GetColumnValue<string>("ProductName");
		    }

            set 
		    {
			    SetColumnValue("ProductName", value);
            }

        }

	      
        [XmlAttribute("UnitPrice")]
        public decimal? UnitPrice 
	    {
		    get
		    {
			    return GetColumnValue<decimal?>("UnitPrice");
		    }

            set 
		    {
			    SetColumnValue("UnitPrice", value);
            }

        }

	    
	    #endregion
    
	    #region Columns Struct
	    public struct Columns
	    {
		    
		    
            public static string ProductName = @"ProductName";
            
            public static string UnitPrice = @"UnitPrice";
            
	    }

	    #endregion
    }

}