private void ribeDeleteRoleMenuAuthority_Click(object sender, EventArgs e)
        {
            RoleMenuAuthoritiesVM vm = this.gvRoleMenuAuthority.GetRow(this.gvRoleMenuAuthority.FocusedRowHandle) as RoleMenuAuthoritiesVM;//获取选中行的实体


            var resDeleteUserRoles = _bll.DeleteRoleMenuAuthority(vm);

            if (resDeleteUserRoles > 0)
            {
                XtraMessageBox.Show("删除成功!", "提示", MessageBoxButtons.OK);
                RequestRoleMenuAuthoritiesData();
            }
            else
            {
                XtraMessageBox.Show("删除失败!", "提示", MessageBoxButtons.OK);
            }
        }