How to write to a Text file or a notepad file or a .txt file or AppendText() method in .NET

Hi friends, in this article I will explained about how to write to a Text file or a notepad file or a  .txt file or AppendText() method in .NET.

                      I already explained in the previous article How to Create a Text File or notepad file using C# and VB.NET, in that i was using CreateText() method. If you want to write the data to a already file then we are using the AppendText() method.

Let I explained through the example.In the below example i am using the StreamWriter class.StreamWriter is class ,is used for write the data to a file.It founds in System.IO namespace.

VB.NET Code:

Imports System.IO Imports System.Text Public Class Form2     Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load         Dim swriter As StreamWriter         swriter = File.AppendText("c:\temp\filename.txt")         swriter.WriteLine("Hi welcome to Aspdotnet-Kishore.blogspot.in")         swriter.Close()     End Sub End Class

C# Code:

using Microsoft.VisualBasic; using System; using System.Collections; using System.Collections.Generic; using System.Data; using System.Diagnostics; using System.IO; using System.Text; Public Class Form2 {      private void Form2_Load(System.Object sender, System.EventArgs e)      {           StreamWriter swriter = null;           swriter = File.AppendText("c:\\temp\\filename.txt");           swriter.WriteLine("Hi welcome to Aspdotnet-KIshore.blogspot.in");           swriter.Close();      }     Public Form2()      {           Load += Form2_Load;      } }

                      When we execute the above code then it will append the Hi welcome to Aspdotnet-Kishore.blogspot.in to the filename.txt file.If filename.txt file is not located in the c:\temp then it will craeted the filename.txt file automatically.

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