js中
<script type="text/javascript">

            $(document).ready(function (e) {

                $("#Button2").click(function () {

                    if (confirm("确认要删除么！")) {

                        var all = $(".xuanzhong");

                        var code = "";

                        for (var i = ; i < all.length; i++) {

                            if (all.eq(i)[].checked) {

                                code += all.eq(i).val()+"|";

                            }

                        }

                        code = code.substring(, code.length - );

                        $.ajax({

                            url: "quanxuanshanchu.aspx",

                            type:"POST",

                            data: { ids:code },

                            datatype: "TEXT",

                            success: function (data) {

                                alert(data);

                                window.location.href = "gongyingshang.aspx";

                            }

                        });

                    }

                })

  LXMallDBDataContext context = new LXMallDBDataContext();

        //取出Ajax传过来的值

        string uid = Request["ids"].ToString();

        string[] codes;

        codes = uid.Split('|');

        for (int i = ; i < codes.Length; i++)

        {

            Goods_Supplier data = context.Goods_Supplier.Where(r => r.ids == Convert.ToInt32(codes[i])).First();

            context.Goods_Supplier.DeleteOnSubmit(data);

        }

        context.SubmitChanges();

        Response.Write("删除成功！！！！！！");

        Response.End();