private void Form1_Load(object sender, EventArgs e)
        {
            using (var context = new MnxEntities())
            {
                clientBindingSource.DataSource = context;
                clientBindingSource.DataMember = "Clients";
                comissionsDataGridView.DataSource = clientBindingSource;
                comissionsDataGridView.DataMember = "NavComissions";
            }
        }

using (var context = new MnxEntities())
        {
            Client client = context.Clients.FirstOrDefault();
            // profiler: "SELECT TOP (1) ... FROM [Clients] AS [c]" - Ok!
            Console.WriteLine("Client: {0}", client.Name);
                foreach (Comission comission in client.NavComissions)
                // profiler: "SELECT ... FROM [Comissions] WHERE [StateCode] = '20971504'" - Ok!
                {
                    Console.WriteLine("Agreement number: {0}", comission.Dog_Num);
                }
        }