Massive Fluently rough draft

MassiveFluently.cs

using System;
using System.Dynamic;
using System.Linq;
using Massive;
using Massive.Expressions;

public class Test
{
    public void TestMethod( )
    {
        MassiveFluently.Defaults(m => m.PrimaryKeyField = "Id");

        var items =  MassiveFluently.ConnectTo("MyConnection").ProductsTable.all();
        var items2 = (All)MassiveFluently.ConnectTo("SomeConnection").Products;
    }
}

namespace Massive.Expressions
{
    public class All { }
    public class First { }
    public class Last { }
}

namespace Massive
{
    ///<example>
    /// MassiveFluently.Defaults( m => m.PrimaryKey = "Id" );
    ///
    /// new MassiveFluently()
    ///        .ConnectTo("MyConnection")
    ///        .ProductsTable
    ///        .all();
    ///
    /// OR
    ///
    /// var items = (All) new MassiveFluently().ConnectTo("SomeConnection").Products;
    ///</example>
    public class MassiveFluently : DynamicObject
    {
        private static Action<DynamicModel> _defaultSettings = (m) => m.PrimaryKeyField = "Id";

        internal static string _connectionStringName = null;

        private MassiveFluently(string connectionStringName)
        {
            _connectionStringName = connectionStringName;
        }

        public static void Defaults(Action<DynamicModel> setDefaults)
        {
            _defaultSettings = setDefaults;
        }

        public static DynamicModel ConnectTo(string connectionStringName)
        {
            return new MassiveContextBase(connectionStringName);
        }

        public static DynamicModel GetContext(string tableName, string primaryKeyColumn)
        {
            return new MassiveContextBase(_connectionStringName, tableName, primaryKeyColumn);
        }

        public override bool TryGetMember(GetMemberBinder binder, out object result)
        {
            var table = binder.Name;
            if (binder.Name.EndsWith("Table"))
            {
                table = binder.Name.Replace("Table", "");
            }
            result = new MassiveContextBase(table);
            return true;
        }

        public class MassiveContextBase : DynamicModel
        {
            internal MassiveContextBase() : base(MassiveFluently._connectionStringName)
            {
                MassiveFluently._defaultSettings(this);
            }

            internal MassiveContextBase(string tableName) : this()
            {
                TableName = tableName;
            }

            internal MassiveContextBase(string connectionStringName, string tableName, string primaryKeyField) :
                base(connectionStringName)
            {
                TableName = tableName;
                PrimaryKeyField = primaryKeyField;
            }

            public override bool TryConvert(ConvertBinder binder, out object result)
            {
                if (binder.Type == typeof(Massive.Expressions.All))
                {
                    result = this.All();
                }

                if (binder.Type == typeof(Massive.Expressions.First))
                {
                    result = this.All(limit: 1);
                }

                if (binder.Type == typeof(Massive.Expressions.Last))
                {
                    result = this.All(limit: 1, orderBy: PrimaryKeyField + " DESC").First();
                }

                return base.TryConvert(binder, out result);
            }
        }
    }
}