Using If with And

For this lets take an example

Imports System

Public Class Test

Shared Sub Main()

Dim Currenttime As System.DateTime

Dim Hour As Integer

Currenttime = Currenttime .Now()

Hour = Currenttime .Hour

If (Hour < 12) Then

Console.Writeline("Good Morning!")

ElseIf (Hour >= 12) And (Hour < 18) Then

Console.WriteLine("Good Afternoon!")

Else

Console.WriteLine("Good Evening!")

End If

End Sub

End Class

The Currenttime is a variable which holds the current system time(Currenttime.now takes up the current system time and moves it to Currenttime) and Hour variable holds the current system hour i.e if the time is 12:30 it holds the value 12

Now to the If condition,

If (Hour < 12) Then, checks whether the current system hr is less than 12 if so it will print Good Morning!

ElseIf (Hour >= 12) And (Hour < 18) Then, checks the system hour is equal to or greater than 12 and is less than 18 if it is so it will

print Good Afternoon

If both the conditions are not satisfied it will print Good Evening

Using If statement is very easy in VB.net and can be utilized for even complex condition checking with AND and OR operators along side it

Comparing two integers using If

Option Strict On

Imports System

Module Module1

Sub Main( )

Dim a As Integer = 10

Dim b As Integer = 20

Dim c As Integer = 30

If a > b Then

Console.WriteLine("a: {0} larger than b: {1}", a, b)

End If

If c > b Then

Console.WriteLine("c: {0} larger than b: {1}",c, b)

End If

If b > 15 Then

Console.WriteLine("Yes it is")

End If

End Sub 'Main

End Module

In this example, we get 3 integers as a, b, c with values 10, 20, 30 and compare between and print them. Thus If operator in VB.net is very simple and easy to use but has good returns.

2008-11-08

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