faltan controladoras

Vista/FrmProveedores.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace Vista
+{
+    public partial class FrmProveedores : Form
+    {
+        public FrmProveedores()
+        {
+            InitializeComponent();
+        }
+        private void ActualizarGrilla()
+        {
+
+            dataGridView1.DataSource = null;
+            //revisar dataGridView1.DataSource = ControladoraProveedor.Instance.RecuperarProveedores();
+        }
+        private void BtnAdd_Click(object sender, EventArgs e)
+        {
+            var form = new FrmProveedor();
+            form.ShowDialog();
+            ActualizarGrilla();
+        }
+    }
+}