namespace BankAccountsApp
{
    public partial class Form1 : Form
    {

        
        List<BankAccount> BankAccounts = new List<BankAccount>();

        
        public Form1()
        {
            InitializeComponent();


            dataGridView1.DataSource = BankAccounts;
            

        }

        private void CreateAccountBtn_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(OwnerTxt.Text))
            {
                MessageBox.Show("Enter the username!");
                return;
            }

            BankAccount bankAccount = new BankAccount(OwnerTxt.Text);
            BankAccounts.Add(bankAccount);

            RefreshGrid();
            OwnerTxt.Text = string.Empty;
        }


        private void RefreshGrid()
        {
            dataGridView1.DataSource = null;
            dataGridView1.DataSource = BankAccounts;
            
        }

        private void DepositBtn_Click(object sender, EventArgs e)
        {
            if(dataGridView1.SelectedRows.Count == 1 && AmountNum.Value > 0)
            {
                BankAccount selectedBankAccount = dataGridView1.SelectedRows
                    [0].DataBoundItem as BankAccount;

                selectedBankAccount.Balance += AmountNum.Value;
                RefreshGrid();
            }
        }
    }
}

namespace BankAccountsApp
{
    public partial class Form1 : Form
    {

        
        List<BankAccount> BankAccounts = new List<BankAccount>();

        
        public Form1()
        {
            InitializeComponent();


            dataGridView1.DataSource = BankAccounts;
            

        }

        private void CreateAccountBtn_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(OwnerTxt.Text))
            {
                MessageBox.Show("Enter the username!");
                return;
            }

            BankAccount bankAccount = new BankAccount(OwnerTxt.Text);
            BankAccounts.Add(bankAccount);

            RefreshGrid();
            OwnerTxt.Text = string.Empty;
        }


        private void RefreshGrid()
        {
            dataGridView1.DataSource = null;
            dataGridView1.DataSource = BankAccounts;
            
        }

        private void DepositBtn_Click(object sender, EventArgs e)
        {
            if(dataGridView1.SelectedRows.Count == 1 && AmountNum.Value > 0)
            {
                BankAccount selectedBankAccount = dataGridView1.SelectedRows
                    [0].DataBoundItem as BankAccount;

                selectedBankAccount.Balance += AmountNum.Value;
                RefreshGrid();
            }
        }
    }
}

int[] array1 = new int[4];
array1[0] = 45;
array1[1] = 7;
array1[2] = 3;
array1[3] = 8;


int[] array2 = new int[4];
array2[0] = 3;
array2[1] = 33;
array2[2] = 7;
array2[3] = 12;

int[] array3 = new int[4];


for (int i = 0; i < array1.Length; i++)
{
    array3[i] = array1[i] + array2[array2.Length - 1 - i];
    Console.WriteLine(array3[i]);  
}

int[] array1 = new int[4];
array1[0] = 45;
array1[1] = 7;
array1[2] = 3;
array1[3] = 8;


int[] array2 = new int[4];
array2[0] = 3;
array2[1] = 33;
array2[2] = 7;
array2[3] = 12;

int[] array3 = new int[4];


for (int i = 0; i < array1.Length; i++)
{
    array3[i] = array1[i] + array2[array2.Length - 1 - i];
    Console.WriteLine(array3[i]);  
}