private void set_define_event()
{
this.Load += F001_import_hop_dong_Load;
m_cmd_chon_file.Click += M_cmd_chon_file_Click;
m_cmd_tai_file_mau.Click += M_cmd_tai_file_mau_Click;
m_cmd_save.Click += M_cmd_save_Click;
m_cmd_xuat_excel.Click += M_cmd_xuat_excel_Click;
}