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POHow to delete a focused row from database in wpf
 

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  1. POHow to delete a focused row from database in wpf
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    <p>I am using wpf and devexpress tool, I made small applicationin which i did ADO.net Connectivity and displayed all names from Name table in database. My question is: Here in code there is a delete button function which describes deletion of a focused row, now as i click that button focused row get deleted but no changes are made to table in database , What should i write here in delete button function to delete that focused row from database too. Can anyone answer my this query. Thanks, Annie</p> <pre><code> public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } private void Window_Loaded_1(object sender, RoutedEventArgs e) { nEntities nr = new nEntities(); nr.Names.ToList(); this.grid.ItemsSource = nr.Names.Local; } private void DeleteButton_Click(object sender, RoutedEventArgs e) { if (grid.IsValidRowHandle(view.FocusedRowHandle)) view.DeleteRow(view.FocusedRowHandle); } &lt;Grid x:Name="LayoutRoot" Background="White"&gt; &lt;Grid.RowDefinitions&gt; &lt;RowDefinition /&gt; &lt;RowDefinition Height="30" /&gt; &lt;/Grid.RowDefinitions&gt; &lt;dxg:GridControl Grid.Row="0" Name="grid" AutoGenerateColumns="AddNew"&gt; &lt;dxg:GridControl.View&gt; &lt;dxg:TableView x:Name="view" NavigationStyle="Cell" NewItemRowPosition="Top" /&gt; &lt;/dxg:GridControl.View&gt; &lt;/dxg:GridControl&gt; &lt;Grid Margin="3" Grid.Row="1"&gt; &lt;Grid.ColumnDefinitions&gt; &lt;ColumnDefinition /&gt; &lt;ColumnDefinition /&gt; &lt;/Grid.ColumnDefinitions&gt; &lt;Button Content="Add Empty Row" /&gt; &lt;Button Content="Delete Focused Row" Click="DeleteButton_Click" Grid.Column="1" /&gt; &lt;/Grid&gt; </code></pre>
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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