private void добавитьToolStripMenuItem_Click(object sender, EventArgs e)
        {
            sprSuppliersOne sprSuppliersOneForm = new sprSuppliersOne();

            sprSuppliersOneForm.type = "add";
            sprSuppliersOneForm.Text = "Новый поставщик";
            sprSuppliersOneForm.ShowDialog();
        }
        private void редактироватьToolStripMenuItem_Click(object sender, EventArgs e)
        {
            sprSuppliersOne sprSuppliersOne = new sprSuppliersOne();

            sprSuppliersOne.type = "edit";
            sprSuppliersOne.id   = dgSuppliersList.CurrentRow.Cells[0].Value.ToString();
            sprSuppliersOne.Text = dgSuppliersList.CurrentRow.Cells[1].Value.ToString();
            sprSuppliersOne.ShowDialog();
        }