private void registerToolStripMenuItem2_Click(object sender, EventArgs e)
        {
            RegisterForm registerForm = null;

            if (isFormOpened(typeof(RegisterForm)) == null)
            {
                registerForm           = new RegisterForm("Register", null);
                registerForm.MdiParent = this;
                registerForm.Show();
            }
        }
        private void btnResetPassword_Click(object sender, EventArgs e)
        {
            string errMsg = "";

            if (dataGridView1.SelectedCells.Count == 0)
            {
                errMsg = "Select user to be reset";
            }
            else
            {
                string selectedUserId   = dataGridView1.SelectedCells[0].Value.ToString();
                string selectedUserName = dataGridView1.SelectedCells[1].Value.ToString();
                bool   selectedIsAdmin  = (bool)dataGridView1.SelectedCells[2].Value;

                RegisterForm registerForm = new RegisterForm("Reset Password", selectedUserName);
                registerForm.ShowDialog(this);
            }

            if (errMsg != "")
            {
                MessageBox.Show(this, errMsg, "Reset Password", MessageBoxButtons.OK, MessageBoxIcon.Hand);
            }
        }