private void btnadd_Click(object sender, EventArgs e) { int parsedvalue; if (!int.TryParse(txtitemprice.Text, out parsedvalue)) { lblmsg.Text = ("price inputs are invalid. check again...."); } else { int i = blod.additem(txtitemname.Text, Convert.ToDecimal(txtitemprice.Text)); if (i > 0) { MessageBox.Show("Product Has Been Added"); } } }