ab翻转int a, b; a = int.Parse(txtbfirst.Text); b = int.Parse(txtbsecond.Text); a = a + b; b = a - b; a

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代码

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespaceStrlen

{

publicpartialclassForm1 : Form

{

publicForm1()

{

InitializeComponent();

}

privatevoidbtnClose_Click(objectsender, EventArgs e)

{

System.Environment.Exit(0);

}

privatevoidbtnfln_Click(objectsender, EventArgs e)

{

try

{

inta, b;

a =int.Parse(txtbfirst.Text);

b =int.Parse(txtbsecond.Text);

a = a + b;

b = a - b;

a = a - b;

// MessageBox.Show(a.ToString(),b.ToString());

//label3.Text = a.ToString() + b.ToString();

txtbfirst.Text = a.ToString();

txtbsecond.Text = b.ToString();

label3.Text ="翻转后结果";

}

catch(Exception ex)

{

MessageBox.Show(ex.Message);

}

}

}

}