public void showDuLieuNN()
{
gridViewNN.Rows.Clear();
DataTable dt = ey.LoaddataNN(EmployeeManagement.UserID);
foreach (DataRow d in dt.Rows)
{
int n = gridViewNN.Rows.Add();
gridViewNN.Rows[n].Cells[0].Value = d["MaNhacNho"].ToString();
gridViewNN.Rows[n].Cells[1].Value = d["NgayNhac"].ToString();
gridViewNN.Rows[n].Cells[2].Value = d["TenNhacNho"].ToString();
gridViewNN.Rows[n].Cells[3].Value = d["NoiDung"].ToString();
gridViewNN.Rows[n].Cells[4].Value = d["MaCongTac"].ToString();
gridViewNN.Rows[n].Cells[5].Value = d["NguoiGui"].ToString();
}
gridViewNN.Refresh();
// labelTest.Text = EmployeeManagement.UserID;
}