public async Task CallWebServiceForNewsGalleryList(int index)
        {
            if (!App.CheckInternetConnection())
            {
                await DisplayAlert(AppResources.LNetworkError, AppResources.LNoInternetConnection, AppResources.LOk);
            }
            else
            {
                try
                {
                    string lang = "";
                    if (Application.Current.Properties.ContainsKey("Language"))
                    {
                        lang = Application.Current.Properties["Language"] as string;
                    }

                    List <KeyValuePair <string, string> > values = new List <KeyValuePair <string, string> >();
                    values.Add(new KeyValuePair <string, string>("lang", lang));
                    values.Add(new KeyValuePair <string, string>("title", ""));
                    values.Add(new KeyValuePair <string, string>("index", Convert.ToString(index)));
                    if (Device.Idiom == TargetIdiom.Phone)
                    {
                        values.Add(new KeyValuePair <string, string>("limit", "6"));
                    }
                    else
                    {
                        values.Add(new KeyValuePair <string, string>("limit", "7"));
                    }

                    var response = await GeneralClass.GetResponse <CMO.ServicesClasses.RootObjectNewsGalleryList>(CMO.ServiceLayer.ServiceLinks.NewUpdates_ListURL, values);

                    if (response != null)
                    {
                        if (response._resultflag == 1)
                        {
                            if (NewsList == null || index == 0)
                            {
                                NewsList = new ObservableCollection <Newslist>();
                            }
                            for (int i = 0; i < response.newslist.Count; i++)
                            {
                                var ObjectNewslist = new Newslist();
                                ObjectNewslist.SetFontSize      = App.GetFontSizeMedium();
                                ObjectNewslist.page_id          = response.newslist[i].page_id;
                                ObjectNewslist.title            = response.newslist[i].title.ToUpper();
                                ObjectNewslist.date             = response.newslist[i].date;
                                ObjectNewslist.ipad_thumb_path  = response.newslist[i].ipad_thumb_path;
                                ObjectNewslist.large_news_photo = response.newslist[i].large_news_photo;
                                ObjectNewslist.news_photo       = response.newslist[i].news_photo;
                                ObjectNewslist.content          = response.newslist[i].content.Replace("<p>", "").Replace("</p>", "").Replace("&amp;", "&");
                                #region (Text) Specific Design implemention for phone and tablet
                                if (Device.Idiom == TargetIdiom.Phone)
                                {
                                    ObjectNewslist.TitleWidth = new GridLength(3, GridUnitType.Star);
                                    ObjectNewslist.ImageWidth = new GridLength(2, GridUnitType.Star);
                                    //ObjectNewslist.TitleFontSize =  Device.GetNamedSize(NamedSize.Small, typeof(Label));
                                }
                                else if (Device.Idiom == TargetIdiom.Tablet)
                                {
                                    ObjectNewslist.TitleWidth = new GridLength(4, GridUnitType.Star);
                                    ObjectNewslist.ImageWidth = new GridLength(2, GridUnitType.Star);
                                    //  ObjectNewslist.TitleFontSize = Device.GetNamedSize(NamedSize.Medium, typeof(Label));
                                }
                                else
                                {
                                    ObjectNewslist.TitleWidth = new GridLength(4, GridUnitType.Star);
                                    ObjectNewslist.ImageWidth = new GridLength(2, GridUnitType.Star);
                                    //ObjectNewslist.TitleFontSize = Device.GetNamedSize(NamedSize.Medium, typeof(Label));
                                }
                                #endregion
                                NewsList.Add(ObjectNewslist);
                            }
                            totalItems = response.total_results;
                            #region (Row Height) Specific Design implemention for phone and tablet
                            if (Device.Idiom == TargetIdiom.Phone)
                            {
                                NewsGalleryLists.RowHeight = 100;
                            }
                            else if (Device.Idiom == TargetIdiom.Tablet)
                            {
                                NewsGalleryLists.RowHeight = 150;
                            }
                            else if (Device.Idiom == TargetIdiom.Desktop)
                            {
                                NewsGalleryLists.RowHeight = 3 * 100;
                            }
                            else
                            {
                                NewsGalleryLists.RowHeight = 150;
                            }
                            #endregion
                            NewsGalleryLists.ItemsSource  = NewsList;
                            NewsGalleryLists.IsRefreshing = false;
                            NewsGalleryLists.IsVisible    = true;
                        }
                        else
                        {
                            if ((response._resultflag == 0) && (index == 0))
                            {
                                if (App.CurrentPage() == "newsgallerylist")
                                {
                                    await DisplayAlert(AppResources.LError, AppResources.LSomethingWentWrong, AppResources.LOk);
                                }
                            }
                        }
                    }
                    else
                    {
                        if (App.CurrentPage() == "newsgallerylist")
                        {
                            await DisplayAlert(AppResources.LError, AppResources.LSomethingWentWrong, AppResources.LOk);
                        }
                    }
                }
                catch (WebException exception)
                {
                    if (App.CurrentPage() == "newsgallerylist")
                    {
                        if (exception.Message.Contains("Network"))
                        {
                            await DisplayAlert(AppResources.LError, AppResources.LWebserverNotResponding, AppResources.LOk);
                        }
                    }
                }
            }
            loading.IsVisible             = false;
            loading.IsRunning             = false;
            loadingIndicator.IsVisible    = false;
            NewsGalleryLists.IsRefreshing = false;
        }
        public async Task CallWebServiceForNewsGalleryList()
        {
            loadingNewsList.IsEnabled = true; loadingNewsList.IsVisible = true; loadingNewsList.IsRunning = true;
            try
            {
                #region service parameters
                string lang = "";
                if (Application.Current.Properties.ContainsKey("Language"))
                {
                    lang = Application.Current.Properties["Language"] as string;
                }
                List <KeyValuePair <string, string> > values = new List <KeyValuePair <string, string> >();
                values.Add(new KeyValuePair <string, string>("lang", lang));
                values.Add(new KeyValuePair <string, string>("title", ""));
                values.Add(new KeyValuePair <string, string>("index", "0"));
                values.Add(new KeyValuePair <string, string>("limit", "4"));
                #endregion
                var response = await GeneralClass.GetResponse <CMO.ServicesClasses.RootObjectNewsGalleryList>(CMO.ServiceLayer.ServiceLinks.NewUpdates_ListURL, values);

                if (response != null)
                {
                    if (response._resultflag == 1)
                    {
                        NEWSLIST = new List <Newslist>();
                        for (int i = 0; i < response.newslist.Count; i++)
                        {
                            var ObjectNewslist = new Newslist();
                            ObjectNewslist.SetFontSize      = App.GetFontSizeMedium();
                            ObjectNewslist.SetFontSizeSmall = App.GetFontSizeSmall();
                            ObjectNewslist.title            = response.newslist[i].title;
                            ObjectNewslist.page_id          = response.newslist[i].page_id;
                            ObjectNewslist.date             = response.newslist[i].date;
                            if (Device.Idiom == TargetIdiom.Phone)
                            {
                                ObjectNewslist.thumb_img = response.newslist[i].thumb_img;
                            }
                            else
                            {
                                ObjectNewslist.thumb_img = response.newslist[i].ipad_thumb_path;
                            }
                            ObjectNewslist.news_photo = response.newslist[i].news_photo;
                            ObjectNewslist.content    = response.newslist[i].content.Replace("<p>", "").Replace("</p>", "").Replace("&amp;", "&");
                            NEWSLIST.Add(ObjectNewslist);
                        }
                    }
                    else
                    {
                        await DisplayAlert(AppResources.LError, AppResources.LSomethingWentWrong, AppResources.LOk);
                    }
                }
                else
                {
                    await DisplayAlert(AppResources.LError, AppResources.LSomethingWentWrong, AppResources.LOk);
                }
            }
            catch (WebException exception)
            {
                if (exception.Message.Contains("Network"))
                {
                    await DisplayAlert(AppResources.LError, AppResources.LWebserverNotResponding, AppResources.LOk);
                }
            }
        }