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
{
}
}
