private void button1_Click(object sender, EventArgs e)
        {
            this.Hide();
            Form13 obj = new Form13();

            obj.Show();
        }
        private void BTNLOGIN_Click(object sender, EventArgs e)
        {
            try
            {
                NpgsqlConnection conn          = new NpgsqlConnection(connstring);
                NpgsqlCommand    SelectCommand = new NpgsqlCommand("SELECT * from officer WHERE officer_id='" + this.textBox1.Text + "' AND oname='" + this.textBox2.Text + "'", conn);
                conn.Open();
                NpgsqlDataReader myReader = SelectCommand.ExecuteReader();


                int count = 0;

                while (myReader.Read())
                {
                    count = count + 1;
                }
                if (count == 1)
                {
                    conn.Close();
                    MessageBox.Show("Logging in.. Press OK.");
                    this.Hide();
                    Form13 obj = new Form13();
                    obj.Show();
                }
                else
                {
                    conn.Close();
                    label3.Show();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("Some error occurred :" + ex);
            }
        }
        /*   private void btnBack_Click(object sender, EventArgs e)
         * {
         *     this.Hide();
         *     Form13 obj = new Form13();
         *     obj.Show();
         * }*/
        private void btnBack2_Click(object sender, EventArgs e)
        {
            this.Hide();
            Form13 obj1 = new Form13();

            obj1.Show();
        }