private void Add() { int num1 = Convert.ToInt32(txtNumber1.Text); int num2 = Convert.ToInt32(txtNumber2.Text); lblResult.Text = Convert.ToString(calculate.Add(num1, num2)); }
private void Add() { try { int num1 = Convert.ToInt32(txtNumber1.Text); int num2 = Convert.ToInt32(txtNumber2.Text); lblResult.Text = calculator.Add(num1, num2).ToString(); } catch (Exception ex) { lblResult.Text = ex.Message; } }
static void Main(string[] args) { int m, n; MathOpt mathOpt = new MathOpt(); Console.WriteLine("请输入数字x"); m = int.Parse(Console.ReadLine()); Console.WriteLine("请输入数字y"); n = int.Parse(Console.ReadLine()); Console.WriteLine("Add = {0}", mathOpt.Add(m, n)); Console.WriteLine("Sub = {0}", mathOpt.Sub(m, n)); Console.WriteLine("Mul = {0}", mathOpt.Mul(m, n)); Console.WriteLine("Div = {0}", mathOpt.Div(m, n)); Console.ReadKey(); }