实验一：简单计算器
实验代码：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class c1 : System.Web.UI. Page
{
protected void Page_Load( object sender, EventArgs e)
{
}
protected void change1( object sender, EventArgs e)
{
double n1 = double .Parse(t1.Text) + double .Parse(t2.Text);
this .t4.Text = n1.ToString();
}
protected void change2( object sender, EventArgs e)
{
double n1 = double .Parse(t1.Text) - double .Parse(t2.Text);
this .t4.Text = n1.ToString();
}
protected void change3( object sender, EventArgs e)
{
double n1 = double .Parse(t1.Text) * double .Parse(t2.Text);
this .t4.Text = n1.ToString();
}
protected void change4( object sender, EventArgs e)
{
double n1 = double .Parse(t1.Text) / double .Parse(t2.Text);
this .t4.Text = n1.ToString();
}
}
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