private void sbtnDelete_Click(object sender, EventArgs e) { var selectList = GetChectedNodeData(this.tlMenus); if (selectList.Count == 0) { XtraMessageBox.Show("please select deleted rows!", "提示", MessageBoxButtons.OK); return; } if (DialogResult.OK == XtraMessageBox.Show("deleting these rows ?", "waring", MessageBoxButtons.OKCancel)) { int resDeleteUserRoles = _bll.DeleteMenus(selectList.Select(p => p.ID).ToList()); if (resDeleteUserRoles > 0) { XtraMessageBox.Show("删除成功!", "提示", MessageBoxButtons.OK); RequestGridData(); GetParentMenus(); } else { XtraMessageBox.Show("删除失败!", "提示", MessageBoxButtons.OK); } } }