private void btnXacNhan_Click(object sender, EventArgs e)
 {
     try
     {
         if (txtmkMoi.Text == txtmkMoi.Text)
         {
             DataTable resutl = _nhanvienModel.UpdatePassWord(_User, txtMKCu.Text, txtmkMoi.Text);
             if (Convert.ToInt16(resutl.Rows[0]["CheckUpdate"].ToString()) == -2)
             {
                 XtraMessageBox.Show(Commons.MKSai, Commons.Notify, MessageBoxButtons.OK);
             }
             else if (Convert.ToInt16(resutl.Rows[0]["CheckUpdate"].ToString()) == 0)
             {
                 XtraMessageBox.Show(Commons.TrungMK, Commons.Notify, MessageBoxButtons.OK);
             }
             else if (Convert.ToInt16(resutl.Rows[0]["CheckUpdate"].ToString()) == 1)
             {
                 XtraMessageBox.Show(Commons.DoiMK, Commons.Notify, MessageBoxButtons.OK);
             }
             else
             {
                 XtraMessageBox.Show(Commons.DoiMKThatBai, Commons.Notify, MessageBoxButtons.OK);
             }
         }
         else
         {
             XtraMessageBox.Show(Commons.MKKhongKhop, Commons.Notify, MessageBoxButtons.OK);
         }
     }
     catch (Exception ex)
     {
         XtraMessageBox.Show(ex.ToString());
     }
 }