private void bunifuImageButton1_Click(object sender, EventArgs e)
        {
            dataGridView1.DataSource = ctrt.Load();
            string recordOld = (dataGridView1.Rows.Count - 1).ToString();

            dataGridView1.DataSource = ctrt.Search(textBoxSearch.Text);
            string recordNew = (dataGridView1.Rows.Count - 1).ToString();

            label_CountRecord.Text = recordNew + "/" + recordOld;
        }
 public void LoadData()
 {
     dataGridView1.DataSource = ctrlMDC.Load();
     totalRecord            = dataGridView1.Rows.Count - 1;
     label_CountRecord.Text = totalRecord.ToString() + "/" + totalRecord.ToString() + " bản ghi";
 }