Visual Basic 60 Practical - Exercises Pdf Updated

Objective: Perform arithmetic operations using input from text boxes. Controls Needed: 2 TextBox (txtNum1, txtNum2), 4 CommandButton (cmdAdd, cmdSub, cmdMul, cmdDiv), 1 Label (lblResult).

Code:

Private Sub cmdAdd_Click()
    Dim num1 As Double
    Dim num2 As Double
    Dim result As Double
' Val() converts string text to a number
    num1 = Val(txtNum1.Text)
    num2 = Val(txtNum2.Text)
result = num1 + num2
    lblResult.Caption = "Result: " & result
End Sub
Private Sub cmdDiv_Click()
    ' Add error handling for division by zero
    If Val(txtNum2.Text) = 0 Then
        MsgBox "Cannot divide by zero!", vbCritical, "Error"
        Exit Sub
    End If
lblResult.Caption = "Result: " & Val(txtNum1.Text) / Val(txtNum2.Text)
End Sub

(Note: Write similar code for Subtraction and Multiplication). Learning Outcome: Variable declaration (Dim), data conversion (Val), and basic error handling.

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Objective: Create a simple program that displays a message when a button is clicked. Skills: Forms, Command Buttons, Labels, MsgBox.

Instructions:

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Imports System.Net.Http
Imports System.Text.Json
Async Function FetchJsonAsync(Of T)(url As String) As Task(Of T)
    Using client = New HttpClient()
        Dim s = Await client.GetStringAsync(url)
        Return JsonSerializer.Deserialize(Of T)(s)
    End Using
End Function

Imports System.IO
Imports System.Text.Json
Sub SaveObject(Of T)(obj As T, path As String)
    Dim s = JsonSerializer.Serialize(obj, New JsonSerializerOptions With .WriteIndented = True)
    File.WriteAllText(path, s)
End Sub

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After every 10 exercises, combine them into a single mini-project.

Overview

Strengths

Weaknesses

Suitability

Recommended Improvements (if updating the PDF)

Who should get it

Summary A practical, exercise-driven workbook that teaches through repetition and small projects. Very effective for beginners and classroom use but needs clearer versioning and modernization to serve VB.NET developers or those migrating from VB6. Recommended if updated to include modern APIs, explicit platform targeting, and improved solutions. visual basic 60 practical exercises pdf updated

I cannot directly provide a downloadable PDF file, but I have compiled a comprehensive report containing practical exercises for Visual Basic 6.0 (VB6). You can copy and paste the content below into a document editor (like Word) and save it as a PDF.

This guide is structured for beginners to intermediate learners, focusing on the core aspects of VB6: Forms, Controls, Variables, Logic, and Loops.

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Goal: Loops, conditionals, and writing reusable Subs/Functions.