public Employee GetEmployee(string Username, string Password)
        {
            EmployeeArr employeeArr = new EmployeeArr();

            employeeArr.Fill();
            employeeArr = employeeArr.FilterUsername(Username, Password);
            return(employeeArr[0] as Employee);
        }
        private bool CheckEmployee(string Username, string Password)
        {
            EmployeeArr employeeArr = new EmployeeArr();

            employeeArr.Fill();
            employeeArr = employeeArr.FilterUsername(Username, Encrypt(Password));

            if (employeeArr.Count == 1)
            {
                return(true);
            }
            return(false);
        }