private void button1_Click(object sender, EventArgs e) { try { if (button1.Text == "edit") { PiggyTable.update(int.Parse(button1.Tag.ToString()), textBox1.Text, textBox2.Text); button1.Text = "Insert"; button1.Tag = ""; MessageBox.Show("Data has been updated"); } else { PiggyTable.insert(textBox1.Text, textBox2.Text); MessageBox.Show("Data has been inserted"); } UpdateList(); textBox1.Text = ""; textBox2.Text = ""; } catch (Exception ex) { MessageBox.Show(ex.Message); } }