private void button1_Click(object sender, EventArgs e)
        {
            string u = ("Admin");
            string p = ("12345");

            if (textBox1.Text == u & textBox2.Text == p)
            {
                this.Hide();
                Administration_Menu frm = new Administration_Menu();
                frm.Show();
            }

            else
            {
                MessageBox.Show("In valid user name or passward please try again !!!");

                foreach (Control c in this.Controls)
                {
                    if (c.GetType().ToString().Contains("TextBox"))
                    {
                        ((TextBox)c).Text = "";
                    }
                }
            }



            //this.Hide();
            //Administration_Menu frm = new Administration_Menu();
            //frm.Show();
        }
        private void button2_Click(object sender, EventArgs e)
        {
            this.Hide();
            Administration_Menu frm = new Administration_Menu();

            frm.Show();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            string u = ("Admin");
            string p = ("12345");

            if (textBox1.Text == u & textBox2.Text == p)
            {
                this.Hide();
                Administration_Menu frm = new Administration_Menu();
                frm.Show();
            }

            else
            {
                MessageBox.Show("In valid user name or passward please try again !!!");

                foreach (Control c in this.Controls)
                {
                    if (c.GetType().ToString().Contains("TextBox"))
                    {
                        ((TextBox)c).Text = "";
                    }
                }
            }

            //this.Hide();
            //Administration_Menu frm = new Administration_Menu();
            //frm.Show();
        }
 private void button3_Click(object sender, EventArgs e)
 {
     this.Hide();
     Administration_Menu frm = new Administration_Menu();
     frm.Show();
 }