public void QueryClassroomBuildings()
        {
            Dictionary <string, string> parameters = new Dictionary <string, string>();

            parameters.Add("sWhere", string.Format(
                               "{0} \"BuildingName\":\"{1}\",\"Location\":\"{2}\"{3}"
                               , "{", BuildingName, Location, "}"));
            int total = 0;

            try
            {
                Collection <ClassroomBuilding> classroomBuildings =
                    restConnection.GetPageValues <ClassroomBuilding>("api/ClassroomBuilding/QueryClassroomBuildingsIncludeClassRooms"
                                                                     , 1, 0, 1000000, parameters, ref total);
                if (null != classroomBuildings)
                {
                    Items.Clear();
                    foreach (var classroomBuilding in classroomBuildings)
                    {
                        Items.Add(classroomBuilding);
                    }
                }
            }
            catch (Exception e)
            {
                RadWindow.Alert(new DialogParameters
                {
                    OkButtonContent = "确定",
                    Content         = e.Message,
                    Owner           = App.Current.MainWindow,
                    Header          = "错误"
                });
            }
        }
        public void QueryClassrooms()
        {
            Dictionary <string, string> parameters = new Dictionary <string, string>();

            parameters.Add("sWhere", string.Format(
                               "{0} \"RoomNum\":\"{1}\",\"BuildingId\":\"{2}\", \"TerminalId\":\"{3}\",\"TerminalIp\":\"{4}\",\"IdentifyMode\":\"{5}\"{6}"
                               , "{", RoomNum, BuildingId, TerminalId, TerminalIp, IdentifyMode, "}"));
            int total = 0;

            try
            {
                Collection <ClassRoom> classrooms =
                    restConnection.GetPageValues <ClassRoom>("api/ClassRoomInfoMaint/QueryClassRooms"
                                                             , 1, 0, 1000000, parameters, ref total);
                if (null != classrooms)
                {
                    Items.Clear();
                    foreach (var classroom in classrooms)
                    {
                        //使classroom中的ClassroomBuilding与ClassroomBuildings集合中的对象为同一对象
                        //解决在下拉列表框中无法选中Id相同对象的问题
                        classroom.ClassroomBuilding = ClassroomBuildings.Where(p => p.Id == classroom.ClassroomBuilding.Id).FirstOrDefault();
                        Items.Add(classroom);
                    }
                }
            }
            catch (Exception e)
            {
                RadWindow.Alert(new DialogParameters
                {
                    OkButtonContent = "确定",
                    Content         = e.Message,
                    Owner           = App.Current.MainWindow,
                    Header          = "错误"
                });
            }
        }