private void frmMain_Load(object sender, EventArgs e)
{
lblMoneySum.Text = $"{_bankAccountRepository.SumOnAccounts().ToString()} €";
lblNumAccs.Text = $"{_bankAccountRepository.CountOfAccounts().ToString()}";
dtGrdTopAccs.DataSource = _bankAccountRepository.TopAccounts();
dtGrdTopAccs.DataMember = "BankAccounts";
dtGrdTopAccs.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.AllCells;
dtGrdTopAccs.Columns[0].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
dtGrdTopCities.DataSource = _clientRepository.TopCities();
dtGrdTopCities.DataMember = "Cities";
dtGrdTopCities.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.AllCells;
dtGrdTopCities.Columns[0].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
dtGrdAccPerMonth.DataSource = _bankAccountRepository.AccountsByMonth();
dtGrdAccPerMonth.DataMember = "BankAccounts";
dtGrdAccPerMonth.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.AllCells;
dtGrdAccPerMonth.Columns[0].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
}