private void btnCreateUser_Click(object sender, EventArgs e)
        {
            if (txtUsername.Text != "" && txtPassword.Text != "")
            {
                DatabaseHandler database = new DatabaseHandler();

                if (database.CreateUser(txtUsername.Text, txtPassword.Text))
                {
                    MessageBox.Show("User created succesfully");
                    LoadUsers();
                }
                else
                {
                    MessageBox.Show("User wasnt created");
                }
            }
        }