Program Pencarian Nilai Dengan Microsoft Visual Studio 2008

Desain Form.vb  seperti dibawah ini:

Perintah Programnya :

Public Class Form1

    Private Sub ComboBox1_SelectedIndexChanged(ByVal sender AsSystem.Object, ByVal e As System.EventArgs) HandlesComboBox1.SelectedIndexChanged

        Select Case ComboBox1.Text

            Case "12110861"

                TextBox1.Text = "Lidia"

                TextBox2.Text = "S1"

                TextBox8.Text = "TI"

            Case "12110867"

                TextBox1.Text = "Naomi"

                TextBox2.Text = "D3"

                TextBox8.Text = "MI"

            Case "12110990"

                TextBox1.Text = "Rio"

                TextBox2.Text = "D1"

                TextBox8.Text = "AI"

            Case Else

                TextBox1.Text = "Ga tau"

                TextBox2.Text = "S1"

                TextBox8.Text = "SI"

        End Select

    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e AsSystem.EventArgs) Handles MyBase.Load

        ComboBox1.Items.Add("12110861")

        ComboBox1.Items.Add("12110867")

        ComboBox1.Items.Add("12110990")

        ComboBox2.Items.Add("12345678")

        ComboBox2.Items.Add("12345679")

        ComboBox2.Items.Add("12345670")

        ComboBox3.Items.Add("MT-0001")

        ComboBox3.Items.Add("MT-0002")

        ComboBox3.Items.Add("MT-0003")

        Dim i As Integer

        For i = 100 To 1 Step -2

            ComboBox4.Items.Add(i)

        Next

        For i = 100 To 1 Step -2

            ComboBox5.Items.Add(i)

        Next

        For i = 100 To 1 Step -3

            ComboBox6.Items.Add(i)

        Next

        For i = 100 To 1 Step -2

            ComboBox7.Items.Add(i)

        Next i

    End Sub

    Private Sub ComboBox2_SelectedIndexChanged(ByVal sender AsSystem.Object, ByVal e As System.EventArgs) HandlesComboBox2.SelectedIndexChanged

        Select Case ComboBox2.Text

            Case "12345678"

                TextBox3.Text = "Mesran"

            Case "12345679"

                TextBox3.Text = "Rivalry"

            Case "12345670"

                TextBox3.Text = "Guidio"

            Case Else

                TextBox3.Text = "DLL"

        End Select

    End Sub

    Private Sub ComboBox3_SelectedIndexChanged(ByVal sender AsSystem.Object, ByVal e As System.EventArgs) HandlesComboBox3.SelectedIndexChanged

        Select Case ComboBox3.Text

            Case "MT-0001"

                TextBox4.Text = "Pemograman VB"

            Case "MT-0002"

                TextBox4.Text = "SIMBAD"

            Case "MT-0003"

                TextBox4.Text = "KOmunitas Data"

            Case Else

                TextBox4.Text = "DSB"

        End Select

    End Sub

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

        TextBox5.Text = 0.1 * ComboBox4.Text + 0.15 * ComboBox5.Text + 0.3 * ComboBox6.Text + 0.45 * ComboBox7.Text

        If ComboBox4.Text >= 80 Then

            TextBox6.Text = "A"

            TextBox7.Text = "LULUS"

        ElseIf ComboBox4.Text >= 70 Then

            TextBox6.Text = "B"

            TextBox7.Text = "LULUS"

        ElseIf ComboBox4.Text >= 60 Then

            TextBox6.Text = "C"

            TextBox7.Text = "LULUS"

        ElseIf ComboBox4.Text >= 50 Then

            TextBox6.Text = "D"

            TextBox7.Text = "LULUS"

        Else

            TextBox6.Text = "E"

            TextBox7.Text = "GAGAL"

        End If

    End Sub

End Class

Hasilnya sebagai Berikut :