在线等！！急急急急急急急急!!给一个往本地.txt文件中写一个字符串的代码模型！

Question

using (StreamWriter sw = new StreamWriter(@"d:\temp\1.txt")) 
{
sw.Write("The date is: ");
sw.WriteLine(DateTime.Now);
}

Answer 1

创建目录：
using System;
using System.IO;class Test 
{
    public static void Main() 
    {
        // Specify the directory you want to manipulate.
        string path = @"c:\MyDir";        try 
        {
            // Determine whether the directory exists.
            if (Directory.Exists(path)) 
            {
                Console.WriteLine("That path exists already.");
                return;
            }            // Try to create the directory.
            DirectoryInfo di = Directory.CreateDirectory(path);
            Console.WriteLine("The directory was created successfully at {0}.", Directory.GetCreationTime(path));            // Delete the directory.
            di.Delete();
            Console.WriteLine("The directory was deleted successfully.");
        } 
        catch (Exception e) 
        {
            Console.WriteLine("The process failed: {0}", e.ToString());
        } 
        finally {}
    }
}

Answer 2

把文本框里的内容保存成文本文件行吗？
private void Form1_Load(object sender, System.EventArgs e)//设置文件过虑
{
saveFileDialog1.Filter="Winows Txt(*.txt)| *.txt|" +
"Winows Asp(*.asp)| *.asp|" +
"Winows Htm(*.htm)| *.htm";
}private void saveItem_Click(object sender, System.EventArgs e)
{

DialogResult buttonClicked = saveFileDialog1.ShowDialog();
if(buttonClicked.Equals(DialogResult.OK))
{
Stream saveStream = saveFileDialog1.OpenFile();
StreamWriter saveWriter = new StreamWriter(saveStream);
foreach(string line in editData.Lines)
{
saveWriter.WriteLine(line);
}
saveWriter.Close();

}
}