Strutur Dan Array dalam Visual Basic .Net

Public Class Form1 Private Structure Data_mahasiswa Dim Nik As Integer Dim Nama As String Dim Jenis_kelamin As String Dim Jurusan As String End Structure Dim Arr() As Data_mahasiswa Dim indeks As Integer Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load indeks = 1 ReDim Arr(indeks) TxtNik.Text = indeks Dim ArrMulti(4, 1) As String ArrMulti(0, 0) = "Nik" ArrMulti(0, 1) = "Nama" ArrMulti(1, 0) = "Jenis Kelamin" ArrMulti(1, 1) = "Jurusan" ArrMulti(2, 0) = "Laki - laki" ArrMulti(2, 1) = "Perempuan" ArrMulti(3, 0) = "Manajemen Informatika" ArrMulti(3, 1) = "Komputerisasi Akuntansi" ArrMulti(4, 0) = "Sistem Informasi" ArrMulti(4, 1) = "Teknik Informatika" ListView1.GridLines = True ListView1.View = View.Details For Baris = 0 To 1 For kolom = 0 To 1 ListView1.Columns.Add(ArrMulti(Baris, kolom), 100) Next kolom Next Baris For Baris = 2 To 2 For kolom = 0 To 1 CmbKelamin.Items.Add(ArrMulti(Baris, kolom)) Next kolom Next Baris For Baris = 3 To 4 For kolom = 0 To 1 CmbJurusan.Items.Add(ArrMulti(Baris, kolom)) Next kolom Next Baris End Sub Private Sub BtnSimpan_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnSimpan.Click Arr(indeks).Nama = TxtNama.Text Arr(indeks).Jenis_kelamin = CmbKelamin.Text Arr(indeks).Jurusan = CmbJurusan.Text TxtNik.Text = indeks If indeks = UBound(Arr) Then ReDim Preserve Arr(indeks + 1) End If Dim listitem As ListViewItem listitem = New ListViewItem listitem = ListView1.Items.Add(TxtNik.Text) listitem.SubItems.Add(TxtNama.Text) listitem.SubItems.Add(CmbKelamin.Text) listitem.SubItems.Add(CmbJurusan.Text) indeks = indeks + 1 TxtNik.Text = indeks TxtNama.Text = "" CmbJurusan.Text = "" CmbKelamin.Text = "" TxtNama.Focus() End Sub Private Sub BtnCari_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnCari.Click Dim cari As String cari = InputBox("Masukkan nik mahasiswa !") If cari = "" Then Exit Sub indeks = cari TxtNama.Text = Arr(indeks).Nama CmbKelamin.Text = Arr(indeks).Jenis_kelamin CmbJurusan.Text = Arr(indeks).Jurusan TxtNik.Text = indeks End Sub Private Sub BtnMundur_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnMundur.Click indeks = TxtNik.Text - 1 TxtNama.Text = Arr(indeks).Nama CmbKelamin.Text = Arr(indeks).Jenis_kelamin CmbJurusan.Text = Arr(indeks).Jurusan TxtNik.Text = indeks End Sub Private Sub BtnMaju_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnMaju.Click indeks = TxtNik.Text + 1 TxtNama.Text = Arr(indeks).Nama CmbKelamin.Text = Arr(indeks).Jenis_kelamin CmbJurusan.Text = Arr(indeks).Jurusan TxtNik.Text = indeks End Sub End Class