private void DataGridView1_MouseDoubleClick(object sender, MouseEventArgs e)
        {
            FrmNuevoProductos FrmPadre = (FrmNuevoProductos)Owner;

            FrmPadre.txtProveedor.Text = Convert.ToString(DataGridView1.CurrentRow.Cells[0].Value);
            this.Close();
        }
        private void DataGridView1_MouseDoubleClick(object sender, MouseEventArgs e)
        {
            FrmNuevoProductos frm3 = (FrmNuevoProductos)Owner;

            frm3.txtCategoria.Text = Convert.ToString(DataGridView1.CurrentRow.Cells[0].Value);
            this.Close();
        }