private void display_data() { MySqlConnection conn = Koneksi.getKoneksi(); MySqlCommand command = conn.CreateCommand(); command.CommandText = "SELECT * FROM data_pendaftaran WHERE usia > " + 6; conn.Open(); DataSet ds = new DataSet(); MySqlDataAdapter da = new MySqlDataAdapter(command); da.Fill(ds, "data"); dataGridView1.DataSource = ds; dataGridView1.DataMember = "data"; conn.Close(); }
private void button5_Click(object sender, EventArgs e) { String namaLengkap = textBox1.Text; MySqlConnection conn = Koneksi.getKoneksi(); MySqlCommand command = conn.CreateCommand(); command.CommandText = "SELECT * FROM data_pendaftaran WHERE nama_lengkap LIKE '%" + namaLengkap + "%' AND usia >= " + 6; conn.Open(); DataSet ds = new DataSet(); MySqlDataAdapter da = new MySqlDataAdapter(command); da.Fill(ds, "data"); dataGridView1.DataSource = ds; dataGridView1.DataMember = "data"; conn.Close(); }
private void btn_hapus_Click(object sender, EventArgs e) { String selectedId_id = dataGridView1.CurrentRow.Cells["id_pendaftaran"].Value.ToString(); DialogResult dr = MessageBox.Show("Hapus Data?", "Ingin Menghapus data ini?", MessageBoxButtons.YesNo); if (dr == DialogResult.Yes) { MySqlConnection conn = Koneksi.getKoneksi(); MySqlCommand command = conn.CreateCommand(); conn.Open(); command.CommandText = "DELETE FROM data_pendaftaran WHERE id_pendaftaran = @id"; command.Parameters.AddWithValue("@id", selectedId_id); if (command.ExecuteNonQuery() == 1) { MessageBox.Show("Terhapus", "Data Berhasil dihapus", MessageBoxButtons.OK, MessageBoxIcon.Information); display_data(); } } else { } }