1自定義一個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<filterRule>();}public int page { get; set; }public int rows { get; set; }public string sort { get; set; }public string order { get; set; }public IEnumerable<filterRule> 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<IEnumerable<filterRule>>(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<IEnumerable<filterRule>>(filterRules);filter.filterRules = rules;}return filter;}}else{return BindModel(controllerContext, bindingContext);}}private Nullable<T> TryGet<T>(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<T>)valueResult.ConvertTo(typeof(T));}catch (Exception ex){bindingContext.ModelState.AddModelError(bindingContext.ModelName, ex);return null;}}}

　　controller代碼

public ActionResult Get([ModelBinder(typeof(DataGridFilterBinderProvider))]dataGridFilter request){//var filter = JsonConvert.DeserializeObject<IEnumerable< filterRule>>(filterRules);//int page = 1; int rows = 10; string sort = "Id"; string order = "asc"; ; IEnumerable<filterRules> 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代碼

<script type="text/javascript">$(function () {$('#grid').datagrid({title: 'Product--100',url: '/Home/Get',method:'post',width: '100%',height: 'auto',rownumbers: true,sortName: 'Id',SortOrder: 'asc',columns: [[{ field: 'Id', title: 'Id', sortable: true },{ field: 'Name', title: 'Name', sortable: true },{ field: 'Unit', title: 'Unit', sortable: true },{ field: 'Price', title: 'Price', sortable: true }]],pagination: true,pagePosition: 'bottom',pageSize: 10,enableFilter:true,remoteFilter:true}).datagrid('enableFilter');})</script>

　　

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