private void LoadData()
{
LoadMAKH();
LoadMaPhong();
try
{
BLPDP = new BLPhieuDatPhong();
DTPDP = new DataTable();
DTPDP.Clear();
DataSet ds = BLPDP.layPDP();
DTPDP = ds.Tables[0];
// Đưa dữ liệu lên DataGridView
dgv_DatPhong.DataSource = DTPDP;
Default_txt();
Default_Button();
dgv_DatPhong_CellClick(null, null);
}
catch (SqlException)
{
}
}