private void load_data_2_sle_nhan_vien(DataTable ip_source)
{
m_sle_chon_nhan_vien.Properties.DataSource = null;
m_sle_chon_nhan_vien.Properties.DataSource = ip_source;
m_sle_chon_nhan_vien.Properties.TextEditStyle = DevExpress.XtraEditors.Controls.TextEditStyles.Standard;
m_sle_chon_nhan_vien.Properties.BestFitMode = DevExpress.XtraEditors.Controls.BestFitMode.BestFit;
}