1自定义一个ModelBinder

public class filterRule    {        public string field { get; set; }        public string op { get; set; }        public string value { get; set; }    }    public class dataGridFilter    {        public dataGridFilter()        {            filterRules = new HashSet
     
      ();        }        public int page { get; set; }        public int rows { get; set; }        public string sort { get; set; }        public string order { get; set; }        public IEnumerable
      
        filterRules { get; set; }    }    public class DataGridFilterBinderProvider : IModelBinder    {        public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)        {            if (controllerContext == null)                throw new ArgumentNullException("controllerContext", "controllerContext is null.");            if (bindingContext == null)                throw new ArgumentNullException("bindingContext", "bindingContext is null.");            if (bindingContext.ModelType == typeof(dataGridFilter))            {                HttpRequestBase request = controllerContext.HttpContext.Request;                dataGridFilter filter = new dataGridFilter();                if (request.HttpMethod == "GET")                {                    filter.order = request.QueryString["order"];                    filter.page = Convert.ToInt32(request.QueryString["page"]);                    filter.rows = Convert.ToInt32(request.QueryString["rows"]);                    filter.sort = request.QueryString["sort"];                    var filterRules = request.QueryString["filterRules"];                    if (!string.IsNullOrEmpty(filterRules))                    {                        var rules = JsonConvert.DeserializeObject
       
        
         >(filterRules);                        filter.filterRules = rules;                    }                                                               return filter;                }                else {                    filter.order = request.Form["order"];                    filter.page = Convert.ToInt32(request.Form["page"]);                    filter.rows = Convert.ToInt32(request.Form["rows"]);                    filter.sort = request.Form["sort"];                    var filterRules = request.Form["filterRules"];                    if (!string.IsNullOrEmpty(filterRules))                    {                        var rules = JsonConvert.DeserializeObject
         
          
           >(filterRules); filter.filterRules = rules; } return filter; } } else { return BindModel(controllerContext, bindingContext); } } private Nullable
           
             TryGet
            
             (ModelBindingContext bindingContext, string key) where T : struct { if (String.IsNullOrEmpty(key)) return null; ValueProviderResult valueResult = bindingContext.ValueProvider.GetValue(bindingContext.ModelName + "." + key); if (valueResult == null && bindingContext.FallbackToEmptyPrefix == true) valueResult = bindingContext.ValueProvider.GetValue(key); bindingContext.ModelState.SetModelValue(bindingContext.ModelName, valueResult); if (valueResult == null) return null; try { return (Nullable
             
              )valueResult.ConvertTo(typeof(T)); } catch (Exception ex) { bindingContext.ModelState.AddModelError(bindingContext.ModelName, ex); return null; } } }
             
            
           
          
         
        
       
      
     

　　controller代码

public ActionResult Get([ModelBinder(typeof(DataGridFilterBinderProvider))]dataGridFilter request)        {            //var filter = JsonConvert.DeserializeObject
     
      < filterRule>>(filterRules);            //int page = 1; int rows = 10; string sort = "Id"; string order = "asc"; ; IEnumerable
      
        filterRules = null;            int count = products.Count();            //var query = products.OrderBy(string.Format("{0} {1}", sort, order)).Skip((page-1)*rows).Take(rows);            var query = products.OrderBy(string.Format("{0} {1}", request.sort, request.order)).Skip((request.page - 1) * request.rows).Take(request.rows);            return Json(new { total = count, rows = query }, JsonRequestBehavior.AllowGet);        }
      
     

　　html代码