private void addStockbtn_Click(object sender, EventArgs e)
{
this.Hide();
addStockfrm addStockform = new addStockfrm();
addStockform.ShowDialog();
this.Close();
}
// button to go to add stock form and sends text entered in UPCcode text box
private void AddStock_Button_Click(object sender, EventArgs e)
{
sendtext = UPCcode.Text;
this.Hide();
addStockfrm AddStockForm = new addStockfrm();
AddStockForm.ShowDialog();
this.Close();
}