Silverlight PCV 针对特定字段过滤

                if (e.Result != null)
                {
                    PagedCollectionView pcv = new PagedCollectionView(e.Result);
                    if(yhdm!="")
                    {
                      #region 通过PCV进行过滤
                        pcv.Filter = new Predicate<object>(FilterYhdm);  //过滤银行代码

                    
                      #endregion


                    }
                    if (pcv.Count > 0)
                    {
                        page.Source = pcv;
                        dg_source.ItemsSource = pcv;
                    }
                }

 #region  PCV的银行代码筛选方法
        //过滤器函数
        public bool FilterYhdm(object t)
        {
            db_sxsqbInfo em = t as db_sxsqbInfo;
            //return (em.yhdm == "2223");
            return (em.yhdm == yhdm);


        }
 #endregion

 public bool FilterEmployeeAge(object t)
        {
            Employees em = t as Employees;
            return (em.EmployeeAge >= Convert.ToInt32(tbValue.Text));//这里用的是大于等于条件
        }