小编Sad*_*ida的帖子

Android 2.2的每个应用程序的最大内存限制是多少？

我使用Observable Collection将数据库的表绑定到DataGrid:

class ViewModel:INotifyPropertyChanged
{
    private BDDInterneEntities _BDDInterneEntities;

    public ViewModel()
    {
        _BDDInterneEntities = new BDDInterneEntities();
        ResultatCollection = new ObservableCollection<Resultat>(_BDDInterneEntities.Resultat);

    }         
    public ObservableCollection<Resultat> ResultatCollection { get; set; }

    public event PropertyChangedEventHandler PropertyChanged;
}

这是我的DataGrid:

<DataGrid x:Name="DonneesBrutes" ItemsSource="{Binding Path=.ResultatCollection, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" Margin="10,65,0,0" AutoGenerateColumns="False" EnableRowVirtualization="True" RowDetailsVisibilityMode="VisibleWhenSelected">
    <DataGrid.Columns>
        <DataGridTextColumn x:Name="PMRQ" Width="*" Binding="{Binding Path=.TOTMPMRQ, Mode=TwoWay, UpdateSourceTrigger=LostFocus}" Header="PMRQ"></DataGridTextColumn>
        <DataGridTextColumn x:Name="LibellePMRQ" Width="*" Binding="{Binding Path=.LibelléTOTApres, Mode=TwoWay, UpdateSourceTrigger=LostFocus}" Header="Libellé PMRQ"></DataGridTextColumn>
        <DataGridTextColumn x:Name="Ligne" Width="*" Header="Ligne"></DataGridTextColumn>
        <DataGridTextColumn x:Name="OTM" Width="*" Header="OTM"></DataGridTextColumn>
        <DataGridTextColumn x:Name="TOTM" Width="*" Header="TOTM"></DataGridTextColumn>
        <DataGridTextColumn x:Name="LibelleTOTM" Width="*" Header="Libellé OTM"></DataGridTextColumn>
        <DataGridTextColumn x:Name="GA" …