private void bottleRadioButton_CheckedChanged(object sender, EventArgs e)
{
string randId = "BO" + Security.getToken();
Supplier sup = sda.getOneSupplierByID(randId, conn);
Supplier deletedSup = sda.getOneDeletedSupplierByID(randId, conn);
while ((!string.IsNullOrWhiteSpace(sup.getSupplierID()) && sup.getSupplierID().Equals(randId)) || (!string.IsNullOrWhiteSpace(deletedSup.getSupplierID()) && deletedSup.getSupplierID().Equals(randId)))
{
randId = "BO" + Security.getToken();
}
idTextBox.Text = randId;
}
