private void btnInsSystemUserPermit_ItemClick(object sender, ItemClickEventArgs e)
 {
     try
     {
         frmIns_Permits afrmIns_Permits = new frmIns_Permits();
         afrmIns_Permits.ShowDialog();
     }
     catch (Exception ex)
     {
         MessageBox.Show("frmMain.btnInsSystemUserPermit_ItemClick\n" + ex.ToString(), "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error);
     }
 }
 private void btnAdd_Click(object sender, EventArgs e)
 {
     frmIns_Permits afrmIns_Permits = new frmIns_Permits(this);
     afrmIns_Permits.Show();
 }