void loadRak()
{
try
{
String sql = "select * from rak order by id_rak asc";
DBClass db = new DBClass();
DataTable dt = new DataTable();
dt = db.read(sql);
cb_filter_1.DataSource = new BindingSource(dt, null);
cb_filter_1.DisplayMember = "rak"; //kolom harus sesuai dengan tabel
cb_filter_1.ValueMember = "id_rak";
cb_filter_2.DataSource = new BindingSource(dt, null);
cb_filter_2.DisplayMember = "rak"; //kolom harus sesuai dengan tabel
cb_filter_2.ValueMember = "id_rak";
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}