关于c#中读写文本的问题!请教大家帮忙! StreamWriter sb = File.CreateText(@"c:\aa.txt"); sb.WriteLine("aa"); sb.Close(); 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 看了下你的问题,貌似是要这个意思如下using System.IO; 写 using (StreamWriter sw = new StreamWriter("txt_file.Text")) { sw.Write(textBox1.Text + "\r" + textBox2.Text + "\r" + textBox3.Text); }读 using (StreamReader sr = new StreamReader("txt_file.Text", System.Text.Encoding.Default)) { string line=""; line = sr.ReadLine(); textBox1.Text = line; line = sr.ReadLine(); textBox2.Text = line; line = sr.ReadLine(); textBox3.Text = line; } 在Button1的Clicked事件中:using(StreamWriter sw = File.CreateText("test.txt")){ sw.WriteLine(textBox1.Text); sw.WriteLine(textBox2.Text); sw.WriteLine(textBox3.Text); sw.Close();}在Button2的Clicked事件中:using(StreamReader sr = File.OpenText("test.txt")){ textBox1.Text = sr.ReadLine(); textBox2.Text = sr.ReadLine(); textBox3.Text = sr.ReadLine();}代码中没有作异常处理,仅供参考。 调用WebServicec出错 static的优点是什么?为什么要使用static 求一个功能 串口通信:能否让serialPort_DataReceived()事件人为触发? 寻好心的真正的高手牛人 C# 取Ftp服务器下文件的大小问题 要翘翘了,这几天老是胃疼。。。 做过VOD系统需要些什么技术实现?一百分 "资源文件"使用时出现的问题 现有web站点如何能让手机有更好的访问体验(web和wap访问能否共用一个后台) 求正则表达式 如何给tabpage添加滚动条
如下
using System.IO; 写
using (StreamWriter sw = new StreamWriter("txt_file.Text"))
{
sw.Write(textBox1.Text + "\r" + textBox2.Text + "\r" + textBox3.Text);
}
读
using (StreamReader sr = new StreamReader("txt_file.Text", System.Text.Encoding.Default))
{
string line="";
line = sr.ReadLine();
textBox1.Text = line;
line = sr.ReadLine();
textBox2.Text = line;
line = sr.ReadLine();
textBox3.Text = line;
}
using(StreamWriter sw = File.CreateText("test.txt"))
{
sw.WriteLine(textBox1.Text);
sw.WriteLine(textBox2.Text);
sw.WriteLine(textBox3.Text);
sw.Close();
}在Button2的Clicked事件中:
using(StreamReader sr = File.OpenText("test.txt"))
{
textBox1.Text = sr.ReadLine();
textBox2.Text = sr.ReadLine();
textBox3.Text = sr.ReadLine();
}代码中没有作异常处理,仅供参考。