using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace Calculator { public partial class _Default : System.Web.UI.Page { int parsedValue; protected void Button1_Click(object sender, EventArgs e) { if (int.TryParse(TextBox1.Text, out parsedValue) && int.TryParse(TextBox2.Text, out parsedValue)) { // Add the two numbers entered Label1.Text = Convert.ToString(int.Parse(this.TextBox1.Text) + int.Parse(this.TextBox2.Text)); } else { Label1.Text = Convert.ToString(0); } } protected void Button2_Click(object sender, EventArgs e) { if (int.TryParse(TextBox1.Text, out parsedValue) && int.TryParse(TextBox2.Text, out parsedValue)) { // Subtract one number from the other Label1.Text = Convert.ToString(int.Parse(this.TextBox1.Text) - int.Parse(this.TextBox2.Text)); } else { Label1.Text = Convert.ToString(0); } } protected void Button3_Click(object sender, EventArgs e) { if (int.TryParse(TextBox1.Text, out parsedValue) && int.TryParse(TextBox2.Text, out parsedValue)) { // Multiply the two numbers entered Label1.Text = Convert.ToString(int.Parse(this.TextBox1.Text) * int.Parse(this.TextBox2.Text)); } else { Label1.Text = Convert.ToString(0); } } protected void Button4_Click(object sender, EventArgs e) { if (int.TryParse(TextBox1.Text, out parsedValue) && int.TryParse(TextBox2.Text, out parsedValue)) { // Divide the two numbers entered Label1.Text = Convert.ToString(int.Parse(this.TextBox1.Text) / int.Parse(this.TextBox2.Text)); } else { Label1.Text = Convert.ToString(0); } } protected void Page_Load(object sender, EventArgs e) { Label1.Text = Convert.ToString(0); } } }