class DonorsData

    {

        string firstName, lastName, dateOfBirth, fathersName, mothersName, fathersBloodGroup, mothersBloodGroup, donorsBloodGroup,

            address, phoneNo;

    public static DonorsData contributer;

    DateTime yearOfBirth;

    int age;

​

​

        public string FirstName

        {

            get { return this.firstName; }

            set

            {

                if (string.IsNullOrEmpty(value))

​

                    throw new Exception("Please enter a valid first name");

​

                else

                    this.firstName = value;

            }

        }

​

        public string LastName

        {

            get { return this.lastName; }

            set

            {

                if (string.IsNullOrEmpty(value))

​

                    throw new Exception("Please enter a valid last name");

​

                else

                    this.lastName = value;

            }

        }

​

        public string DateOfBirth

        {

            get { return this.dateOfBirth; }

            set

            {

                if (string.IsNullOrEmpty(value))

​

                    throw new Exception("Please enter a valid date of birth");

​

                else

                    this.dateOfBirth = value;

            }

        }

​

        DateTime YearOfBirth

        {

            get { return DateTime.Parse(DateOfBirth); }

        }

​

       public int Age

        {

            get { return DateTime.Now.Year - YearOfBirth.Year; }

        }

​

        public string FathersName

        {

            get { return this.fathersName; }

            set

            {

                if (string.IsNullOrEmpty(value))

​

                    throw new Exception("Please enter a valid father's name");

                else

                    this.fathersName = value;

            }

        }

​

        public string MothersName

        {

            get { return this.mothersName; }

            set

            {

                if (string.IsNullOrEmpty(value))

​

                    throw new Exception("Please enter a valid mother's name");

​

                else

                    this.mothersName = value;

            }

        }

​

        public string Address

        {

            get { return this.address; }

            set

            {

                if (string.IsNullOrEmpty(value))

​

                    throw new Exception("Please enter a valid address");

​

                else

                    this.address = value;

            }

        }

​

        public string Phone

        {

            get { return this.phoneNo; }

            set

            {

                if (string.IsNullOrEmpty(value)||value.Length!=10)

​

                    throw new Exception("Please enter a valid phone number");

​

                else

                    this.phoneNo = value;

​

            }

        }

​

        public string FatherSBloodGroup

        {

            get { return this.fathersBloodGroup; }

            set

            {

                if (string.IsNullOrEmpty(value) || (value != "A+" && value != "A-" && value != "B+" && value != "B-" && value != "AB+"

                    && value != "AB-" && value != "O+" && value != "O-"))

​

                    throw new Exception("Please enter a valid blood group");

​

                else

                    this.fathersBloodGroup = value;

            }

        }

​

        public string MothersBloodGroup

        {

            get { return this.mothersBloodGroup; }

            set

            {

                if (string.IsNullOrEmpty(value) || (value != "A+" && value != "A-" && value != "B+" && value != "B-" && value != "AB+"

                    && value != "AB-" && value != "O+" && value != "O-"))

​

                    throw new Exception("Please enter a valid blood group");

​

                else

                    this.mothersBloodGroup = value;

​

            }

        }

​

        public string DonorsBloodGroup

        {

            get { return this.donorsBloodGroup; }

            set

            {

                if (string.IsNullOrEmpty(value) || (value != "A+" && value != "A-" && value != "B+" && value != "B-" && value != "AB+"

                    && value != "AB-" && value != "O+" && value != "O-"))

​

                    throw new Exception("Please enter a valid blood group");

​

                else

                    this.donorsBloodGroup = value;

​

            }

        }

​

​

​

​

   class RhFactor

    {

​

        public RhFactor()

        {

          Console.WriteLine(CheckingRhfactor());

        }

​

        string CheckingRhfactor()

        {

            string message = "";

​

            if ((DonorsData.contributer.FatherSBloodGroup == "A+") && (DonorsData.contributer.MothersBloodGroup == "B+")

                && (DonorsData.contributer.DonorsBloodGroup == "AB+"))

            {

                message = "Your Rh factor is B+";

            }

            else if ((DonorsData.contributer.FatherSBloodGroup == "A+") && (DonorsData.contributer.MothersBloodGroup == "A+")

            && (DonorsData.contributer.DonorsBloodGroup == "A+"))

            {

                message = "Your Rh factor is A+";

            }

​

            else if ((DonorsData.contributer.FatherSBloodGroup == "B+") && (DonorsData.contributer.MothersBloodGroup == "AB+")

            && (DonorsData.contributer.DonorsBloodGroup == "AB+"))

            {

                message = "Your Rh factor is B+";

            }

​

            else if ((DonorsData.contributer.FatherSBloodGroup == "A-") && (DonorsData.contributer.MothersBloodGroup == "A+")

            && (DonorsData.contributer.DonorsBloodGroup == "A-"))

            {

                message = "Your Rh factor is A-";

            }

​

            else if ((DonorsData.contributer.FatherSBloodGroup == "O+") && (DonorsData.contributer.MothersBloodGroup == "A+")

            && (DonorsData.contributer.DonorsBloodGroup == "O+"))

            {

                message = "Your Rh factor is A+";

            }

​

            else if ((DonorsData.contributer.FatherSBloodGroup == "AB+") && (DonorsData.contributer.MothersBloodGroup == "AB-")

            && (DonorsData.contributer.DonorsBloodGroup == "AB+"))

            {

                message = "Your Rh factor is B+";

            }

​

            return message;

        }

    }

​

​

class BloodBank

    {

        static Dictionary<int,> data;}

   static BloodBank()

        {

            data = new Dictionary<int,>();

            DonorsData.contributer = new DonorsData();

        }

        public void AcceptingData()

        {

            Console.Write("Enter your first name:");

            DonorsData.contributer.FirstName = Console.ReadLine().ToUpper();

​

            Console.Write("Enter your last name:");

            DonorsData.contributer.LastName = Console.ReadLine().ToUpper();

​

            Console.Write("Enter your date of birth:");

            DonorsData.contributer.DateOfBirth = Console.ReadLine().ToUpper();

​

            Console.Write("Enter your father's name:");

            DonorsData.contributer.FathersName = Console.ReadLine().ToUpper();

​

            Console.Write("Enter your mother's name:");

            DonorsData.contributer.MothersName = Console.ReadLine().ToUpper();

​

            Console.Write("Enter your address:");

            DonorsData.contributer.Address = Console.ReadLine().ToUpper();

​

            Console.Write("Enter your phone no.:");

            DonorsData.contributer.Phone = Console.ReadLine().ToUpper();

​

            GetRhFactor();

        }

​

        void GetRhFactor()

        {

            Console.Write("Enter your father's blood group:");

            DonorsData.contributer.FatherSBloodGroup = Console.ReadLine().ToUpper();

​

            Console.Write("Enter your mother's blood group:");

            DonorsData.contributer.MothersBloodGroup = Console.ReadLine().ToUpper();

​

            Console.Write("Enter your donor's blood group:");

            DonorsData.contributer.DonorsBloodGroup = Console.ReadLine().ToUpper();

​

            RhFactor rhfactor = new RhFactor();

        }

    }

​

  class Program

   {

       static void Main(string[] args)

       {

​

           BloodBank bank = new BloodBank();

           bank.AcceptingData();

       }

}}