void but1_Click(object sender, EventArgs e)
        {
            String userid = this.seluserid.Value;
            String roleid = Request["RoleID"];

            if (String.IsNullOrEmpty(userid) == false &&
                String.IsNullOrEmpty(roleid) == false)
            {
                WebFrame.Comm.JRoleUsersBU bu1 = new WebFrame.Comm.JRoleUsersBU();
                bu1.SetRoleUserID(roleid, userid, "0");
            }

            String js1 = "layer.alert('操作成功!',function(index){;";

            js1 = js1 + " var index = parent.layer.getFrameIndex(window.name);";
            js1 = js1 + " parent.$('#butSearch').click();";
            js1 = js1 + " parent.layer.close(index);});";
            JAjax.ExecuteJS(js1);
        }