private void submit_Click(object sender, EventArgs e)
{
int num1 = int.Parse(txtNum1.Text);
int num2 = int.Parse(txtNum2.Text);
//namespace.classname
Calculator.CalculatorBOL cal = new CalculatorBOL();
switch (Fnoperator)
{
case "+":
ArithmaticOperation op1 = new ArithmaticOperation(cal.Add);
op1(num1, num2);
break;
case "-":
ArithmaticOperation op2 = new ArithmaticOperation(cal.Sub);
op2(num1, num2);
break;
case "*":
ArithmaticOperation op3 = new ArithmaticOperation(cal.Mult);
op3(num1, num2);
break;
case "/":
ArithmaticOperation op4 = new ArithmaticOperation(cal.Div);
op4(num1, num2);
break;
}
int result = cal.Result;
label1.Text = result.ToString();
}
static void Main(string[] args)
{
Console.WriteLine("enter choice: \n 1.ADD \n 2.SUB \n 3.MULT \n 4.DIV \n");
int choice = int.Parse(Console.ReadLine());
Console.WriteLine("enter num1:");
int num1 = int.Parse(Console.ReadLine());
Console.WriteLine("enter num2:");
int num2 = int.Parse(Console.ReadLine());
CalculatorBOL cal = new CalculatorBOL();
switch (choice)
{
case 1:
ArithmaticOperation op1 = new ArithmaticOperation(cal.Add);
op1(num1, num2);
Console.WriteLine("addition is");
break;
case 2:
ArithmaticOperation op2 = new ArithmaticOperation(cal.Sub);
op2(num1, num2);
Console.WriteLine("subtraction is");
break;
}
int result = cal.Result;
Console.WriteLine(result);
Console.ReadLine();
}
