Using StreamReader and StreamWriter Classes

StreamReader is useful for reading lines of information from standard text file and StreamWriter is useful for writing to standard text files. We shall see a an example that illustrates these functions.

1. Create a new Visual Basic Windows project.
   
2. Add a Label, a RichTextBox and four Buttons.
   
3. Arrange them on the form as shown in the following screenshot.
   

We are using the methods of FileStream, StreamReader and StreaWriter to create a file, write data to it and read from the file. The codes for the program are given below:

Click here to view sample code

The out put window and the text file the program has generated are shown below:

Opening Screen With text:

The program window after writing and reading Twice:
.

The text file created is shown below:

Using BinaryReader and BinaryWriter Classes

1. Create a new project as Windows Application.
   
2. Add two Buttons, a Label and a RichTextBox t the form.
   
3. Arrange the controls so that the form looks like the screenshot given below:
   

Now add the following code to the form.

Click here to view sample code

This program will create a binary file and also read the binary file. Now press F5 to execute the program. A form will appear. Click the button ReadWrite. The output of the program is shown below:

The bin file that was created by this action is opened with text editor and shown below:

First Page: Working with File System in .NET