Design of Project

(If … Then) Statement:
This is the simplest control structure which ask the computer to perform a
certain action specified by the VB expression if the condition is true. However,
when the condition is false, no action will be performed. The general format for
the (If - Then) statement is:
If condition Then
VB expression
End If
Example1: Design a form with two text boxes and two Command buttons. Write
a code so when run project and click on command1 (Result) display the word
“Pass” if the student degree equal or more than 50, and when click on
Command2 clear the text boxes.
Solution:
Private Sub Command1_Click()
If val(Text1.Text) >= 50 Then
Text2.Text = "Pass"
End If
End Sub
2
Private Sub Command2_Click()
(If … Then … else) Statement:
The If – Then - Else statement allows the programmer to specify that a different
actions to be performed when a certain action specified by the VB expression if
the condition is True than when the condition is false, an alternative action will
be executed. The general format for the (If - Then – Else) statement is:
If condition Then
VB expression
Else
VB expression
End If
Text1.Text = ""
Text2.Text = ""
End Sub
Text1.Text = ""
Text2.Text = ""
End Sub