VB Task 2

**FORM 1
Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Form2.Show()
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Form3.Show()
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        End
    End Sub
End Class

**FORM 2

Public Class Form2

    Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        Dim a As Integer

        For a = 1 To 31

            ComboBox2.Items.Add(a)

        Next

        Dim b As Integer

        For b = 1 To 12

            ComboBox3.Items.Add(MonthName(b))

        Next

        Dim c As Integer

        For c = 2010 To 1980 Step -1

            ComboBox4.Items.Add(c)

        Next

    End Sub

    Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged

     

    End Sub

    Private Sub ComboBox2_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox2.SelectedIndexChanged

       

    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

        Me.Close()

    End Sub

End Class

**FORM 3
Public Class Form3

    Private Sub Label1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)

    End Sub

    Private Sub GroupBox2_Enter(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles GroupBox2.Enter

    End Sub

    Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged
       

    End Sub

    Private Sub TextBox4_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox4.TextChanged

    End Sub

    Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged
        Select ComboBox1.Text
            Case 1
                TextBox1.Text = "ELEX"
                Label2.Text = "17500"
            Case 2
                TextBox1.Text = "LEVEL"
                Label2.Text = "20000"
            Case 3
                TextBox1.Text = "M&C"
                Label2.Text = "16500"
            Case 4
                TextBox1.Text = "DC"
                Label2.Text = "25000"
        End Select
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

        TextBox4.Text = TextBox3.Text * Label2.Text




    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        ComboBox1.Text = ""
        TextBox1.Text = ""
        TextBox3.Text = ""
        TextBox4.Text = ""
        Label2.Text = "Price / book"
    End Sub

    Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
        TextBox5.Text = TextBox6.Text * Label6.Text

    End Sub

    Private Sub ComboBox2_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox2.SelectedIndexChanged
        Select Case ComboBox2.Text
            Case 1
                TextBox2.Text = "Animonster"
                Label6.Text = "30000"
            Case 2
                TextBox2.Text = "Wizard"
                Label6.Text = "25000"
            Case 3
                TextBox2.Text = "Cinemagz"
                Label6.Text = "35000"
        End Select
          
    End Sub

    Private Sub GroupBox4_Enter(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles GroupBox4.Enter

    End Sub

    Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
        TextBox9.Text = (TextBox4.Text * 1 + TextBox5.Text * 1)



    End Sub

    Private Sub TextBox8_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox8.TextChanged
      
          

    End Sub

    Private Sub CheckBox1_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox1.CheckedChanged
        If CheckBox1.Checked Then
            TextBox8.Text = TextBox9.Text * 0.15
            TextBox7.Text = TextBox9.Text - TextBox8.Text
        Else
            TextBox8.Text = TextBox9.Text * 0
            TextBox7.Text = TextBox9.Text - TextBox8.Text
        End If
    End Sub

    Private Sub CheckBox2_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox2.CheckedChanged

        If CheckBox2.Checked Then
            TextBox8.Text = TextBox9.Text * 0.1
            TextBox7.Text = TextBox9.Text - TextBox8.Text
        Else
            TextBox8.Text = TextBox9.Text * 0
            TextBox7.Text = TextBox9.Text - TextBox8.Text
        End If
    End Sub

    Private Sub CheckBox3_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox3.CheckedChanged
        If CheckBox3.Checked Then
            TextBox8.Text = TextBox9.Text * 0.1
            TextBox7.Text = TextBox9.Text - TextBox8.Text
        Else
            TextBox8.Text = TextBox9.Text * 0
            TextBox7.Text = TextBox9.Text - TextBox8.Text

        End If

    End Sub

    Private Sub TextBox7_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox7.TextChanged

    End Sub
End Class