Asp.net mvc 3 jqgrid：过滤后如何修复分页？

我有一个索引作为我的jqGrid的额外搜索选项：

<a class="letter" href="javascript:void">C</a>


 $(".letter").click(
        function (e) {
            e.preventDefault();
            var letter = this.innerHTML;
            $.ajax({
                url: '@Url.Action("Products")',
                type:'POST',
                data: '_search=true&nd=1345531875941&rows=5&page=1&sidx=ProductID&sord=asc&filters=%7B%22groupOp%22%3A%22AND%22%2C%22rules%22%3A%5B%7B%22field%22%3A%22ProductName%22%2C%22op%22%3A%22bw%22%2C%22data%22%3A%22'+letter+ '%22%7D%5D%7D&searchField=&searchString=&searchOper=',
                success: function(data){
                    jQuery("#jqgProducts")[0].addJSONData(data);
            }
            });
        });

$（“.letter”）。单击(
职能（e）{
e、 预防默认值（）；
var letter=this.innerHTML；
$.ajax({
url:“@url.Action”（“产品”），
类型：'POST'，
数据：''u search=true&nd=1345531875941&rows=5&page=1&sidx=ProductID&sord=asc&filters=%7B%22groupOp%22%3A%22和%22%2C%22rules%22%3A%5B%7B%22field%22%3A%22ProductName%22%2C%22op%22%3A%22bw%22%2C%22%22数据%22%3A%22'+字母+'%22%7D%5D%7D&searchField=&searchString=&searchString=&searchString=&searchOper='，
成功：功能（数据）{
jQuery（“#jqgProducts”）[0].addJSONData（数据）；
}
});
});

检索到的数据很好（行以“C”开头），寻呼机显示：“第1页，共2页”。但是，当我想转到第二页时，它并没有显示正确的数据（即以“C”开头的其他名称）。如何使页面显示正确的数据

data: '_search=true&nd=1345531875941&rows=5&page=1&sidx=ProductID&sord=asc&filters=%7B%22groupOp%22%3A%22AND%22%2C%22rules%22%3A%5B%7B%22field%22%3A%22ProductName%22%2C%22op%22%3A%22bw%22%2C%22data%22%3A%22'+letter+ '%22%7D%5D%7D&searchField=&searchString=&searchOper='

动态地将参数测试“page=1”传递到“page=2”，或出于测试目的手动传递

手动：

data: '_search=true&nd=1345531875941&rows=5&page=2&sidx=ProductID&sord=asc&filters=%7B%22groupOp%22%3A%22AND%22%2C%22rules%22%3A%5B%7B%22field%22%3A%22ProductName%22%2C%22op%22%3A%22bw%22%2C%22data%22%3A%22'+letter+ '%22%7D%5D%7D&searchField=&searchString=&searchOper='

动态地：

data: '_search=true&nd=1345531875941&rows=5&page='+anyPage+'&sidx=ProductID&sord=asc&filters=%7B%22groupOp%22%3A%22AND%22%2C%22rules%22%3A%5B%7B%22field%22%3A%22ProductName%22%2C%22op%22%3A%22bw%22%2C%22data%22%3A%22'+letter+ '%22%7D%5D%7D&searchField=&searchString=&searchOper='