StringWriter StringReader
The string type represents a sequence of zero or more Unicode characters. string is an alias for String in the .NET Framework. The StringWriter Class Implements a TextWriter for writing information to a string and the information is stored in an underlying StringBuilder Class.
WriteLine(String) method writes a string followed by a line terminator to the text stream.
StringReader Class Implements a TextReader that reads from a string. StringReader.ReadLine Method Reads a line from the underlying string.
The following program shows how to use StringWriter and StringReader Classes in C#.
using System;
using System.IO;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
StringWriter stringWriter = new StringWriter();
stringWriter.WriteLine("net-informations.com");
stringWriter.WriteLine("vb.net-informations.com");
stringWriter.WriteLine("csharp.net-informations.com");
MessageBox.Show (stringWriter.ToString());
string singleLine = null;
string message = null;
StringReader stringReader = new StringReader(stringWriter.ToString());
while (true)
{
singleLine = stringReader.ReadLine();
if (singleLine == null)
{
break;
}
else
{
message = message + singleLine + Environment.NewLine;
}
}
MessageBox.Show (message);
}
}
}