private void set_init_form()
{
load_data_2_sle_chon_don_vi(load_danh_sach_don_vi());
load_data_2_sle_nhan_vien();
m_sle_chon_don_vi.EditValueChanged += m_sle_chon_don_vi_EditValueChanged;
load_data_2_sle_chon_loai_cong_tac();
m_sle_chon_vi_tri.EditValueChanged += m_sle_chon_vi_tri_EditValueChanged;
}