private void updt_Click(object sender, EventArgs e)
{
try
{
int n = Int32.Parse(newprice.Text);
DBController.UpdatePrice((Supplier)comboBoxSupp.SelectedItem, (string)comboBoxPiece.SelectedItem, n);
Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
