private void button1_Click(object sender, EventArgs e) { int no_of_rows = controllerObj.AddWareHouse_SupplierTransaction(listBox1.GetItemText(listBox1.SelectedItem), Convert.ToString(listBox2.SelectedIndex + 1), Convert.ToString(listBox3.SelectedIndex + 1), textBox1.Text, listBox4.GetItemText(listBox4.SelectedItem), textBox2.Text, textBox3.Text, textBox4.Text); if (no_of_rows == 0) { MessageBox.Show("Addition Failed"); } else { MessageBox.Show("Addition Succeeded"); } }