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C# winform写入和读取TXT文件

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C# winform写入和读取TXT文件

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string str;
            str=this.textBox1.Text;
            StreamWriter sw = new StreamWriter(Application.StartupPath +"\\txtwriter.txt", false);
            sw.WriteLine(str);
            sw.Close();//写入

string str;
StreamReader sr = new StreamReader(Application.StartupPath +"\\txtreader.txt", false);
            str = sr.ReadLine().ToString();
            sr.Close();
            this.textBox1.Text = str;///读取

转自：https://blog.csdn.net/lzid2008/article/details/53672244