private void EDITAR_INVENTARIO(object sender, EventArgs e)
 {
     if (tblInventario.CurrentCell != null && tblInventario.SelectedRows.Count == 1)
     {
         SelectedArticulo();
         ItemInicial inv = new ItemInicial(SELECTED);
         inv.ShowDialog();
     }
     else
     {
         MessageBox.Show("SELECCIONE ARTICULO A EDITAR", "VALIDACION DE DATOS", MessageBoxButtons.OK, MessageBoxIcon.Warning);
     }
 }
 private void AGREGAR_ARTICULO(object sender, EventArgs e)
 {
     ItemInicial inv = new ItemInicial();
     inv.ShowDialog();
 }