C#读写App.Config配置文件

【实例简介】这篇文章主要介绍了C#中读写App.config配置文件的方法，代码实例演示如何将主要信息保存至App.config中，可以减少每次启动程序时固定信息的重复录入。

【实例截图】

【核心代码】

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Configuration;
using System.Windows.Forms;

namespace SettingConfiguration
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Modify_Click(object sender, EventArgs e)
        {
            name.Enabled = true;
            sex.Enabled = true;
            age.Enabled = true;
            department.Enabled = true;
            phone.Enabled = true;
            email.Enabled = true;
            MessageBox.Show("请录入个人信息！");
        }

        private void Save_Click(object sender, EventArgs e)
        {
            string file = System.Windows.Forms.Application.ExecutablePath;
            Configuration config = ConfigurationManager.OpenExeConfiguration(file);
            config.AppSettings.Settings["name"].Value = name.Text.Trim();//赋值姓名信息
            config.AppSettings.Settings["sex"].Value = sex.Text.Trim();//赋值性别信息
            config.AppSettings.Settings["age"].Value = age.Text.Trim();//赋值年龄信息
            config.AppSettings.Settings["department"].Value = department.Text.Trim();//赋值部门信息
            config.AppSettings.Settings["phone"].Value = phone.Text.Trim();//赋值电话信息
            config.AppSettings.Settings["email"].Value = email.Text.Trim();//赋值邮箱信息
            config.Save(ConfigurationSaveMode.Modified);
            ConfigurationManager.RefreshSection("appSettings");
            MessageBox.Show("个人信息已保存！");

            name.Enabled = false;
            sex.Enabled = false;
            age.Enabled = false;
            department.Enabled = false;
            phone.Enabled = false;
            email.Enabled = false;
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            name.Enabled = false;
            sex.Enabled = false;
            age.Enabled = false;
            department.Enabled = false;
            phone.Enabled = false;
            email.Enabled = false;

            name.Text = ConfigurationManager.AppSettings["name"].ToString();//获取姓名信息
            sex.Text = ConfigurationManager.AppSettings["sex"].ToString();//获取性别信息
            age.Text = ConfigurationManager.AppSettings["age"].ToString();//获取年龄信息
            department.Text = ConfigurationManager.AppSettings["department"].ToString();//获取部门信息
            phone.Text = ConfigurationManager.AppSettings["phone"].ToString();//获取电话信息
            email.Text = ConfigurationManager.AppSettings["email"].ToString();//获取邮箱信息
        }

        private void Button1_Click(object sender, EventArgs e)
        {
            System.Diagnostics.Process.Start("IEXPLORE.EXE", "https://www.daboke.com");//欢迎访问大博客！
        }
    }
}