Console Application exception
<p>upon the requirement of our senior, we were asked to create an application where the user enters and gets details of his/her Savings information...</p>

<p>its working perfectly fine,
except the fact that when i press Enter key, i get an exception and my program crashes..</p>

<p>please provide me information so that in my console application, even if i press Enter key, i dont get exception, instead, it returns the program.</p>

<p>thanks much , 
help very much appreciated.</p>

<p>this is my program.</p>

<pre><code>using System;

using System.Collections.Generic;

using System.Text;



namespace bankprob {



    class sav_acc

    {

        public float amount;

        public sav_acc(float amount)
        {

            this.amount = amount;

        }

        public void getdeposit(float depos)
        {

            amount += depos;

        }

        public void display()
        {

            Console.WriteLine("Balance of Customer :{0} ", amount);

        }


        public void withdrawl(float amt)
        {

            amount =amount - amt;

        }

        public void minbal()
        {

            if (amount &lt; 1000)
            {

                Console.WriteLine("You cannot withdraw beyond the minimum balance of rupees 1000. ");
                return;
            }

        }

    }

    class cur_acc 
    {

        public float amount = 0;

        public cur_acc( float amount)


        {

            this.amount = amount;

        }

        public void getdeposit(float depos)
        {

            amount += depos;

        }

        public void display()
        {

            Console.WriteLine("Balance of Customer : {0}", amount);

        }


        public void withdrawl(float amt)
        {

            amount = amount - amt;

        }

        public void minbal()
        {

            if (amount &lt; 1000)
            {

                Console.WriteLine(" Your balance is less than 1000, and u cannot make any withdrawals");

            }

            else

                Console.WriteLine("Balance is greater than Rs 1000 no need to panality");

        }

    }

    class Program
    {

        public static void Main(string[] args)
        {
            Console.WriteLine("Welcome Mr.Sayeed");
            Console.WriteLine("Please select the type of account.\n1.Savings 2.Current 3.Exit");

            int ch; 
            ch = int.Parse(Console.ReadLine()); 
            switch (ch)
            {

                case 1:

                    Console.WriteLine("Enter Initail Amount : ");

                    float amt = int.Parse(Console.ReadLine());

                    sav_acc s = new sav_acc(amt);

                    Console.WriteLine("Enter deposit money : ");

                    float depos = float.Parse(Console.ReadLine());

                    s.getdeposit(depos);

                    s.display();

                    Console.WriteLine("Enter withdrawl Amount");

                    float wamt = float.Parse(Console.ReadLine());

                    s.withdrawl(wamt);

                    s.display();

                    s.minbal();

                    s.display();

                    break;

                case 2:

                    Console.WriteLine("Enter Initail Amount : ");

                    float am = int.Parse(Console.ReadLine());

                    cur_acc c = new cur_acc(am);

                    Console.WriteLine("Enter deposit money : ");

                    float depo = float.Parse(Console.ReadLine());

                    c.getdeposit(depo);

                    c.display();


                    Console.WriteLine("Enter withdrawl Amount");

                    float wam = float.Parse(Console.ReadLine());

                    c.withdrawl(wam);

                    c.display();

                    c.minbal();

                    c.display();

                    break;
                case 3:
                    Console.WriteLine("Thank you for Using this applicaton");
                    return;

                default:
                    Console.WriteLine("You have made a wrong choice, Thank you...");
                    return;

            }

        }

    }

}
</code></pre>
