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Visual Basic#4

Sat, May 16, 2009

Visual Basic

Today we can create a scenario to sharpen our skills.

-Create a form for login. if user click LOGIN, it will be redirect to another form called form2, if they’re click EXIT and program will be terminate.

-Create form2 containing login credentials to authorize users, if users success they will be redirect to another form, called form3 containing CORE Applications. if not valid, users will back in form2 to authorize them.

-Create form3, containing program to calculate triangles and squares. and give a little condition.

Source Code Form1.

Private Sub Command1_Click()
End
End Sub

Private Sub Command2_Click()
Form2.Show
Form1.Enabled = False
Form3.Visible = False

End Sub

Source Code Form2.

Private Sub Command1_Click()
If Text1.Text = "99999999" And Text2.Text = "rizq" And Text3.Text = "basic" Then
        Text1.Enabled = False
        Text2.Enabled = False
        Text3.Enabled = False
        Form3.Show
        Form1.Enabled = False
        Form2.Enabled = False
        Command1.Enabled = False

    ElseIf Text1.Text = "99999999" And Text2.Text = "rizq" And Text3.Text <> "basic" Then

        Text1.Enabled = False
        Text2.Enabled = False
        Command1.Enabled = False
        MsgBox "User dan NIM Anda Benar, Password Anda salah"
    ElseIf Text1.Text <> "99999999" And Text2.Text = "rizq" And Text3.Text = "basic" Then

        Text1.Enabled = False
        Text2.Enabled = False
        Command1.Enabled = False
        MsgBox "User dan Password Anda Benar, NIM Anda salah"

    ElseIf Text1.Text = "99999999" And Text2.Text <> "rizq" And Text3.Text = "basic" Then

        Text1.Enabled = False
        Text2.Enabled = False
        Command1.Enabled = False
        MsgBox "User dan Password Anda Benar, USER Anda salah"
    Else
        MsgBox "User,NIM dan Passwordnya Salah !"
        Text1.Text = ""
        Text2.Text = ""
        Text3.Text = ""

    End If
End Sub

Private Sub Command2_Click()
Form1.Show
Form1.Enabled = True

End Sub

Private Sub Form_Load()

End Sub

Source Code Form3.


Dim var1 As Single
Dim var2 As Single
Dim var4 As Single
Dim var5 As Single
Dim hasil1 As Single
Dim hasil2 As Single

Private Sub Command1_Click()

var1 = Text1.Text
var2 = Text2.Text
var3 = 2
kali = var1 * var2
hasil1 = kali / 2
Text3.Text = hasil1

If hasil1 < 10 Then
       MsgBox "SEGITIGA KECIL"

    End If

End Sub

Private Sub Command2_Click()

var4 = Text4.Text
var5 = Text5.Text
hasil2 = var4 * var5
Text6.Text = hasil2

 If hasil2 < 15 Then
        MsgBox "PERSEGI KECIL"

     End If
End Sub

Private Sub Command3_Click()
End
End Sub

Private Sub Form_Load()

End Sub

SCREENSHOOT BELOW :
login-auth
apps-form3
apps-2-form3
apps-3-form3

Source code download here

That's all, I Hope you learn something about it.

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  1. Visual Basic#5 Says:

    [...] scenario like previoust post – i guessed you’ve something about [...]

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