Contoh Listing Program Penggabungan Database Dengan VB.Net 2008

Imports MySql.Data.MySqlClient
Public Class Form1
    Dim Sql As String
    Dim RS As MySqlDataReader
    Dim Cmd As MySqlCommand
    Dim DB As New MySql.Data.MySqlClient.MySqlConnection
    Private Sub GroupBox1_Enter(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles GroupBox1.Enter

    End Sub

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

    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Call opendb()
        Call buat_table()
        Call isi_tabel)

    End Sub
    Sub opendb()
        Sql = "server=localhost;uid=root;pwd=;database=kampus"
        Try
            DB.ConnectionString = Sql
            DB.Open()
        Catch ex As Exception
            MessageBox.Show(ex.Message)
        End Try
    End Sub
    Sub buat_table()
        With LV
            .Columns.Add("npm", 80, HorizontalAlignment.Left)
            .Columns.Add("nm_mahasiswa", 150, HorizontalAlignment.Left)
            .Columns.Add("kelas", 20, HorizontalAlignment.Left)
            .Columns.Add("semester", 100, HorizontalAlignment.Left)
            .Columns.Add("thn_ajaran", 100, HorizontalAlignment.Left)
            .Columns.Add("matakuliah", 150, HorizontalAlignment.Left)
            .GridLines = True
            .FullRowSelect = True
            .View = View.Details
        End With
    End Sub
    Sub isi_tabel()
        LV.Items.Clear()
        Sql = "Select*From mahasiswa"
        Cmd = New MySqlCommand(Sql, DB)
        RS = Cmd.ExecuteReader
        Try
            While RS.Read
                Dim list As New ListViewItem
                list.Text = RS("npm")
                list.SubItems.Add(RS("nm_mahasiswa"))
                list.SubItems.Add(RS("kelas"))
                list.SubItems.Add(RS("semester"))
                list.SubItems.Add(RS("thn_ajaran"))
                list.SubItems.Add(RS("matakuliah"))
                LV.Items.Add(list)
            End While
        Catch ex As Exception
            MsgBox(ex.Message)
        End Try
        RS.Close()
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BTNSIMPAN.Click
        Sql = "insert into mahasiswa(npm,nm_mahasiswa,kelas,semester,thn_ajaran,matakuliah)" & _
        "values(" & npm.Text & _
        " ' , ' " & nama.Text & _
        " ' , ' " & kelas.Text & _
        " ' , ' " & semester.Text & _
        " ' , ' " & ta.Text & _
        " ' , ' " & mtk.Text & " ')"

        Try
            Cmd = New MySqlCommand(Sql, DB)
            Cmd.ExecuteNonQuery()
            MessageBox.Show("data telah di simpan")
            Call isi_tabel()


        Catch ex As Exception
            MessageBox.Show(ex.Message)
        End Try





    End Sub
End Class