Biegral Blog

coolite two GridPanel1 左右托动

List<M_Room> list = JSON.Deserialize<List<M_Room>>(json); //获取原GridPanel2值 DataSet ds = bll.GetList(1,100); if (ds != null && ds.Tables[0].Rows.Count > 0) { Common.DataSetHelper dsHelper = new Common.DataSetHelper(); List<M_Room> listDel = new List<M_Room>(); List<M_Room> listAdd = new List<M_Room>(); List<M_Room> listSrc = new List<M_Room>(); listSrc = (List<M_Room>)ModelConvertHelper<M_Room>.ConvertToModel(ds.Tables[0]); listDel.AddRange(listSrc); listAdd.AddRange(list); //删除List 原来的List(1,2,3,4,5)和改变的List(2,3,4)对比相同的删除,得到删除的List(1,5) listDel.RemoveAll(delegate(M_Room sub) { foreach (M_Room sub2 in list) if (sub2.RI_ID == sub.RI_ID) return true; return false; }); //新增List 改变的List(2,3,6,7)和原来的List(1,2,3,4,5)对比相同的删除,得到(6,7) listAdd.RemoveAll(delegate(M_Room sub) { foreach (M_Room sub2 in listSrc) if (sub2.RI_ID == sub.RI_ID) return true; return false; }); }

 #region json 类

        private class M_Room
        {
            public int RI_ID { get; set; }
            public string  RI_Name { get; set; }            
        }

  #endregion

  /// <summary> /// 实体转换辅助类 DataTable 转 List /// </summary> public class ModelConvertHelper<T> where T : new() { public static IList<T> ConvertToModel(DataTable dt) { // 定义集合 IList<T> ts = new List<T>(); // 获得此模型的类型 Type type = typeof(T); string tempName = ""; foreach (DataRow dr in dt.Rows) { T t = new T(); // 获得此模型的公共属性 PropertyInfo[] propertys = t.GetType().GetProperties(); foreach (PropertyInfo pi in propertys) { tempName = pi.Name; // 检查DataTable是否包含此列 if (dt.Columns.Contains(tempName)) { // 判断此属性是否有Setter if (!pi.CanWrite) continue; object value = dr[tempName]; if (value != DBNull.Value) pi.SetValue(t, value, null); } } ts.Add(t); } return ts; } }