private void BackButton_Click(object sender, EventArgs e)
        {
            AdminHome AH = new AdminHome();

            AH.Show();
            this.Hide();
        }
Beispiel #2
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        private void button1_Click(object sender, EventArgs e)
        {
            AdminHome admin_home = new AdminHome();

            admin_home.Show();
            this.Hide();
        }
Beispiel #3
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        private void ButtonLogin_Click(object sender, EventArgs e)
        {
            //mai's con
            //SqlConnection con = new SqlConnection("Data Source=.;Initial Catalog=IS Project;Integrated Security=True");

            //mohie's con
            SqlConnection con = new SqlConnection("Data Source=LELOUCH;Initial Catalog=\"IS Project\";Integrated Security=True");

            con.Open();
            if (AdminUsername == TextBoxUsername.Text && AdminPassword == TextBoxPassword.Text)
            {
                AdminHome admin_home = new AdminHome();
                admin_home.Show();
                this.Close();
            }

            else
            {
                bool          alreadyuser        = false;
                SqlCommand    show_username_pass = new SqlCommand("select username , password from users", con);
                SqlDataReader username_password  = show_username_pass.ExecuteReader();
                while (username_password.Read())
                {
                    if ((string)username_password["username"] == TextBoxUsername.Text && (string)username_password["password"] == TextBoxPassword.Text)
                    {
                        currentUsername = TextBoxUsername.Text;
                        UserHome user_home = new UserHome();
                        user_home.Show();
                        this.Close();
                        alreadyuser = true;
                    }
                    else if ((string)username_password["username"] == TextBoxUsername.Text && (string)username_password["password"] != TextBoxPassword.Text)
                    {
                        MessageBox.Show("The Username or Password is incorrect please retry.");
                        alreadyuser = true;
                    }
                }

                if (alreadyuser == false)
                {
                    MessageBox.Show("The Username or Password is incorrect please retry or Register.");
                }
                username_password.Close();
            }

            con.Close();
        }