cambios nachito a form factura

Vista/FrmFacturas.cs

@@ -1,4 +1,6 @@
 using Controladora;
+using Entidades;
+using System.Collections.ObjectModel;
 
 namespace Vista
 {
@@ -9,6 +11,8 @@ namespace Vista
         {
             InitializeComponent();
             ActualizarGrilla();
+            dataGridView1.CellClick += dataGridView1_CellClick;
+            ConfigurarDataGridView2();
         }
         private void ActualizarGrilla()
         {
@@ -26,5 +30,60 @@ namespace Vista
         {
 
         }
+
+        private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
+        {
+
+        }
+        private void ConfigurarDataGridView2()
+        {
+            dataGridView2.AutoGenerateColumns = false;
+            dataGridView2.Columns.Add(new DataGridViewTextBoxColumn
+            {
+                DataPropertyName = "Producto",
+                HeaderText = "Producto"
+            });
+            dataGridView2.Columns.Add(new DataGridViewTextBoxColumn
+            {
+                DataPropertyName = "Cantidad",
+                HeaderText = "Cantidad"
+            });
+
+            dataGridView2.Columns.Add(new DataGridViewTextBoxColumn
+            {
+                DataPropertyName = "PrecioUnitario",
+                HeaderText = "PrecioUnitariod"
+            });
+            dataGridView2.Columns.Add(new DataGridViewTextBoxColumn
+            {
+                DataPropertyName = "Subtotal",
+                HeaderText = "Subtotal"
+            });
+        }
+        private void ActualizarGrillaLotes(ReadOnlyCollection<Lote> lotes)
+        {
+            dataGridView2.DataSource = null;
+            if (lotes.Any())
+            {
+                var loteDatos = lotes.Select(lote => new
+                {
+                    Producto = lote.NombreProducto,
+                    Cantidad = lote.CantidadDeProductos,
+                    Subtotal = lote.Subtotal,
+                    PrecioUnitario = lote.PrecioUnitario,
+                }).ToList();
+
+                dataGridView2.DataSource = loteDatos;
+            }
+        }
+        private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
+        {
+            if (e.RowIndex >= 0)
+            {
+                var selectedFactura = (Factura)dataGridView1.Rows[e.RowIndex].DataBoundItem;
+                var lotes = ControladoraLotes.Instance.ListarPorFacturaId(selectedFactura.Id);
+                ActualizarGrillaLotes(lotes);
+            }
+        }
     }
 }