using System;
public partial class TextBox : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void AddButton_Click(Object sender, EventArgs e)
{
int Answer;
Answer = Convert.ToInt32(Value1.Text) + Convert.ToInt32(Value2.Text);
AnswerMessage.Text = Answer.ToString();
}
}