//account and balance validation can be done by making respective functions in dataAccessLayer and using it here
public string b_deposit(double damount, string accountno)
{
double availbal = dmt.d_availablebalance(accountno);
string bal;
if (damount <= 0)
{
Console.Beep();
Console.ForegroundColor = ConsoleColor.Red;
bal = " Sorry ... you have entered Invalid Amount";
}
else
{
if (availbal == 0 && damount < 1000)
{
bal = "To do Transactions, first deposit should be minimum amount of 1000";
}
else
{
bal = dmt.d_deposit(damount, accountno);
bal = " Amount " + damount + " deposited to Account Number : " + accountno + "\n Available Balance : " + bal;
}
}
return(bal);
}
public string b_withdraw(double wamount, string accountno)
{
//setting minimum balance to 1000
string bal;
double minbal = 1000;
double availbal = dmt.d_availablebalance(accountno);
if (availbal - wamount < minbal)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.Beep();
bal = " Sorry... Cannot withdraw amount as balance left after withdrawing " + wamount + " will be " + (availbal - wamount) + "\n Minimum Amount requried for existence of account is " + minbal;
}
else
{
bal = dmt.d_withdraw(wamount, accountno);
bal = " Amount " + wamount + " withdrawn to Account Number : " + accountno + "\n Available Balance : " + bal;
}
return(bal);
}
