从TextBox控件中写入到txt文本
Code
//从testbox中写入到txt文本
protected void Button5_Click(object sender, EventArgs e)
{
string text = txtContent.Text;
if (!string.IsNullOrEmpty(text))
{
//指定文件的完整路径
string fileName = Server.MapPath("~/txt/test.txt");
//判断该文件是否存在
if (File.Exists(fileName))
{
//如果存在,就先删掉
File.Delete(fileName);
}
else
{
//创建一个文件操作的流
FileStream stream = new FileStream(fileName, FileMode.Create);
//创建一个写操作流
StreamWriter writer = new StreamWriter(stream, Encoding.UTF8);
//进行写操作
writer.Write(text);
//清空控件中的文字
txtContent.Text = string.Empty;
//关闭流,不然出现异常
writer.Close();
stream.Close();
}
}
else
{
Response.Write("<script>alert(\"空的列!\")</script>");
}
}
然后再从生成的test.txt中读取数据,显示到TextBox控件中(方法同理)
Code
//读取文本到textbox中显示
protected void Button6_Click(object sender, EventArgs e)
{
string fileName = Server.MapPath("~/txt/test.txt");
if (File.Exists(fileName))
{
FileStream stream = new FileStream(fileName, FileMode.Open);
StreamReader reader = new StreamReader(stream, Encoding.UTF8);
txtContent.Text = reader.ReadToEnd();
reader.Close();
stream.Close();
}
else
{
Response.Write("<script>alert(\"没有test.txt文件!\")</script>");
}
}
|