VB.Net Tutorial/Language Basics/Option Explicit

Cause compiler error when Option Strict On

Module Module1
    
  Sub Main()
    Dim AnInt As Integer = 5
    Dim ALong As Long = 7
    ALong = AnInt
    "causes compiler error when Option Strict On
    "AnInt = ALong
    MsgBox(AnInt)
  End Sub
End Module

Option Explicit Off

Option Explicit Off
Module Explicit
   Public Sub Main()
      For ctr As Integer = 0 to 100
         " Do something
         result = cntr
      Next
      Console.WriteLine("The counter reached " & result & ".")
   End Sub
End Module

The counter reached .

Turn Explicit off to use variable without declaration

Option Explicit Off
Module Module1
    Sub Main()
        EmployeeName = "Buddy Jamsa"
        EmployeePhoneNumber = "555-1212"
        EmployeeSalary = 45000.0
        NumberOfEmployees = 1
        Console.WriteLine("Number of employees: " & NumberOfEmployees)
        Console.WriteLine("Employee name: " & EmployeName)
        Console.WriteLine("Employee phone number: " & EmployeePhoneNumber)
        Console.WriteLine("Employee salary: " & EmployeeSalary)
    End Sub
End Module

Number of employees: 1
Employee name:
Employee phone number: 555-1212
Employee salary: 45000