VB.Net program to read data from a text file

Here, we are going to learn how to read data from a text file in VB.Net?
Submitted by Nidhi, on January 08, 2021

Here, we will read data from a text file using ReadAllText() method of the File class. If the specified file does not exist in the system then a FileNotFoundException gets generated.

Program/Source Code:

The source code to read data from a text file is given below. The given program is compiled and executed successfully.

'VB.Net program to read data from a text file.

Imports System.IO

Module Module1
    Sub Main()
        Dim str As String = Nothing

        Try
            str = File.ReadAllText("sample.txt")
            Console.WriteLine("Content of file: {0}", str)
        Catch ex As FileNotFoundException
            Console.WriteLine("File does not exist")
        End Try
    End Sub
End Module

Output:

Content of file: Hello, how are you.
Press any key to continue . . .

Explanation:

In the above program, we created a module Module1 that contains the Main() function. The Main() function is the entry point for the program. And, we created a local variable str of string type. After that read data from the "sample.txt" text file and print data on the console screen. If a specified file does not exist in the computer system then a file not found exception gets generated and prints an appropriate message on the console screen.






Comments and Discussions

Ad: Are you a blogger? Join our Blogging forum.





Languages: » C » C++ » C++ STL » Java » Data Structure » C#.Net » Android » Kotlin » SQL
Web Technologies: » PHP » Python » JavaScript » CSS » Ajax » Node.js » Web programming/HTML
Solved programs: » C » C++ » DS » Java » C#
Aptitude que. & ans.: » C » C++ » Java » DBMS
Interview que. & ans.: » C » Embedded C » Java » SEO » HR
CS Subjects: » CS Basics » O.S. » Networks » DBMS » Embedded Systems » Cloud Computing
» Machine learning » CS Organizations » Linux » DOS
More: » Articles » Puzzles » News/Updates


© https://www.includehelp.com some rights reserved.