[Débutant] Filtrage DataGrid avec BDD [C#][WPF]

bonjour

Si tu te lies à un DataTable il faut passer par un ListCollectionView pour implémenter le tri et le filtrage

Code exemple:

Code:

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<Window x:Class="WpfDataSet.Window1"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:local="clr-namespace:WpfDataSet"
        Title="Window1" Height="300" Width="300"
        >
 
    <Grid 
        >
 
 
        <DataGrid 
 
            AutoGenerateColumns="false" EnableRowVirtualization="True" Height="200" HorizontalAlignment="Left" ItemsSource="{Binding}" 
                  Name="clientsDataGrid" RowDetailsVisibilityMode="VisibleWhenSelected" VerticalAlignment="Top" Width="400">
            <DataGrid.Columns>
                <DataGridTextColumn x:Name="Id" Binding="{Binding Path=ID}" Header="Id"  />
                <DataGridTextColumn x:Name="Nom" Binding="{Binding Path=Nom}" Header="Nom"  />
            </DataGrid.Columns>
        </DataGrid>
    </Grid>
</Window>

Code:

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 public partial class Window1 : Window
    {
        private ListCollectionView view = null;
        public Window1()
        {
            InitializeComponent();
            myTable = GetTable();
            view = new ListCollectionView(myTable.DefaultView);
            this.clientsDataGrid.ItemsSource = view;
 
 
 
            view.Filter = new Predicate<object>(Contains);
 
        }
        private void btnSort_Click(object sender, RoutedEventArgs e)
        {
 
            view.SortDescriptions.Add(
                new SortDescription("Ville", ListSortDirection.Descending));
        }
        public bool Contains(object de)
        {
            DataRowView drv = de as DataRowView;
            return ((double)drv.Row["Salaire"] >=2000.0; 
        }
 
 
        private DataTable myTable;
        public DataTable MyTable
        {
            get { return myTable; }
            set { myTable = value; }
        }
        private DataTable GetTable()
        {
            DataTable dt = new DataTable("persons");
            dt.Columns.Add("ID", typeof(int));
            dt.Columns.Add("Nom", typeof(string));
            dt.Columns.Add("Ville", typeof(string));
            dt.Columns.Add("Salaire", typeof(Double));
 
            dt.Rows.Add(new object[] { 705, "item1", "METZ", 1000.0 });
            dt.Rows.Add(new object[] { 500, "item2", "MARSEILLE", 3000.0 });
            dt.Rows.Add(new object[] { 300, "Item3", "LYON", 2153.0 });
            dt.Rows.Add(new object[] { 400, "Item4", "METZ", 3458.0 });
            dt.Rows.Add(new object[] { 500, "Item5", "MARSEILLE", 2594.0 });
            dt.Rows.Add(new object[] { 100, "Item6", "LYON", 8500.0 });
            return dt;
        }

bon code...