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POAutomatic updation in longlistselector
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  1. POAutomatic updation in longlistselector
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    copied!<p>I am using LongListSelector control with ItemRealized Event and its working fine but when I update the list which is assigned to ItemSource of LongListSelector the items in LongListSelector are not updating.</p> <p>Below is the code I am using in XAML.</p> <pre><code>&lt;phone:LongListSelector SelectionChanged="listBoxGroups_SelectionChanged_1" Grid.Row="1" x:Name="longListSelector" ItemTemplate="{StaticResource groupsItemTemplate}" Margin="0,100,0,0"&gt; &lt;/phone:LongListSelector&gt; </code></pre> <p>In code behind.</p> <pre><code> public GroupsMainPage() { InitializeComponent(); longListSelector.ItemRealized += longListSelector_ItemRealized; this.Loaded += GroupsMainPage_Loaded; } void longListSelector_ItemRealized(object sender, ItemRealizationEventArgs e) { if (!controller.IsLoading &amp;&amp; longListSelector.ItemsSource != null &amp;&amp; longListSelector.ItemsSource.Count &gt;= 100) { if (e.ItemKind == LongListSelectorItemKind.Item) { if ((e.Container.Content as Result).Equals(longListSelector.ItemsSource[longListSelector.ItemsSource.Count -7])) { connectToWebService(); } } } } </code></pre> <p>After receiving the response from web service I simply do the following.</p> <pre><code>private void WebServiceSuccessAction(Object obj) { GroupModel.getInstance().GetGroupResponse((GroupResponse)obj); if (GroupModel.getInstance().GetGroupResponse().Response.errorCode == 0) { controller = new GroupController(); if (fetchNumberofGroups &lt;= 100) { this.ResultList = controller.GetGroupList(); longListSelector.ItemsSource = this.ResultList; } else { controller.addNewGroupData(); this.ResultList = controller.GetGroupList(); } } else { List&lt;Error&gt; error = ConfigModel.getInstance().getConfigResponse().Response.data.errors; foreach (Error err in error) { if (err.code == GroupModel.getInstance().GetGroupResponse().Response.errorCode) { MessageBox.Show(err.text); } } } } </code></pre>
 

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