private void button1_Click(object sender, EventArgs e)
        {
            reservoirInsertP1 rip1 = new  reservoirInsertP1();

            rip1.Visible = true;
        }
        private void button1_Click(object sender, EventArgs e)
        {
            if (textBox1.Text == "prachi" && textBox2.Text == "puchu")
            {
                if (msg1 == "bi")
                {
                    basinInsert bi = new basinInsert();
                    bi.Show();
                    this.Hide();
                }
                else if (msg1 == "bu")
                {
                    basinUpdate bi = new basinUpdate();
                    bi.Show();
                    this.Hide();
                }
                else if (msg1 == "bd")
                {
                    basinDelete bi = new basinDelete();
                    bi.Show();
                    this.Hide();
                }

                else if (msg1 == "ri")
                {
                    reservoirInsertP1 rip1 = new reservoirInsertP1();
                    rip1.Show();
                    this.Hide();
                }


                else if (msg1 == "ru")
                {
                    reservoirUpdateP1 rip1 = new reservoirUpdateP1();
                    rip1.Show();
                    this.Hide();
                }

                else if (msg1 == "rd")
                {
                    reservoirDelete rip1 = new reservoirDelete();
                    rip1.Show();
                    this.Hide();
                }

                else if (msg1 == "su")
                {
                    SubbasinUpdate rip1 = new SubbasinUpdate();
                    rip1.Show();
                    this.Hide();
                }

                else if (msg1 == "si")
                {
                    subbasinInsert rip1 = new subbasinInsert();
                    rip1.Show();
                    this.Hide();
                }

                else if (msg1 == "sd")
                {
                    subbasinDelete rip1 = new subbasinDelete();
                    rip1.Show();
                    this.Hide();
                }
                else if (msg1 == "fi")
                {
                    Fieldinsert rip1 = new Fieldinsert();
                    rip1.Show();
                    this.Hide();
                }

                else if (msg1 == "fu")
                {
                    FieldUpdate rip1 = new FieldUpdate();
                    rip1.Show();
                    this.Hide();
                }

                else if (msg1 == "fd")
                {
                    fieldDelete rip1 = new fieldDelete();
                    rip1.Show();
                    this.Hide();
                }
            }

            else
            {
                MessageBox.Show("Invalid username or password...!");
            }
        }