示例#1
0
        private void button2_Click(object sender, EventArgs e)
        {
            Password p = new Password();
            p.ShowDialog();
            if (p.getResult() == true)
            {
                MessageBox.Show("Correct");

                string dr = dataGridView1.CurrentRow.Cells[0].Value.ToString();
                if (dr == "G 001" || dr  == "0")
                {
                    MessageBox.Show("Unable to delete user! You are trying to delete 'usual user' or 'G 001'","Error!",MessageBoxButtons.OK,MessageBoxIcon.Error);
                }
                else
                {
                    SqlCommand deleteUser = new SqlCommand("DELETE FROM customer WHERE customer_id=@customer_id;", con);
                    deleteUser.Parameters.Add(new SqlParameter("@customer_id", SqlDbType.VarChar));
                    deleteUser.Parameters["@customer_id"].Value = dataGridView1.CurrentRow.Cells[0].Value.ToString();
                    deleteUser.ExecuteNonQuery();
                    updateData();
                }
            }
            else
                MessageBox.Show("Wrong password");
            //MessageBox.Show(dataGridView1.Rows[clicked_row].Cells[0].Value.ToString());
        }