private void set_define_events()
{
this.Load += f330_len_luong_cho_nv_Load;
//cmd
m_cmd_len_luong_cho_nv.Click += m_cmd_len_luong_cho_nv_Click;
m_cmd_insert.Click += m_cmd_insert_Click;
//control
m_sle_chon_nhan_vien.EditValueChanged += m_sle_chon_nhan_vien_EditValueChanged;
m_sle_chuc_danh_lns.EditValueChanged += m_sle_chuc_danh_lns_EditValueChanged;
m_sle_muc_lns.EditValueChanged += m_sle_muc_lns_EditValueChanged;
m_sle_chuc_danh_lcd.EditValueChanged += m_sle_chuc_danh_lcd_EditValueChanged;
m_sle_muc_lcd.EditValueChanged += m_sle_muc_lcd_EditValueChanged;
//gridcontrol, gridview
}