GridView에는 콤보 박스, 체크 박스 등과 같은 컨트롤이 있습니다. GridView는 Entity Framework가있는 데이터베이스에 의해 개체 목록에 바인딩되며 바인딩은 MVVM 무늬. 경우에 따라 쿼리가 일부 요소 만 가져 오므로 Gridview의로드가 빠르지 만 쿼리에서 500 개가 넘는 레코드가 생성되고로드가 매우 느려지는 경우가 있습니다. 로드 중 Gridview 레코드가 레코드별로 이동하는 방법이 있습니까? 여기GridView Async 채우기 방법
내 GRIDVIEW 코드 :
여기<telerik:RadGridView x:Name="dtgResumen" AutoGenerateColumns="False" CellEditEnded="dtgResumen_CellEditEnded" GridLinesVisibility="Both" ItemsSource="{Binding LstAvancesCuvs, Mode=TwoWay, IsAsync=True}" RowIndicatorVisibility="Collapsed" SelectionMode="Multiple" SelectionUnit="FullRow">
<telerik:RadGridView.Columns>
<telerik:GridViewComboBoxColumn x:Name="colEstatus" Width="1.4*" Header="ESTATUS" IsFilterable="False" Tag="0">
<telerik:GridViewComboBoxColumn.CellTemplate>
<DataTemplate>
<telerik:RadComboBox HorizontalAlignment="Stretch" VerticalAlignment="Stretch" SelectedIndex="{Binding EstatusCUV, Mode=TwoWay}" SelectionChanged="comboBox_SelectionChanged">
<telerik:RadComboBoxItem Content="Cancelada" Foreground="Red" />
<telerik:RadComboBoxItem Content="Activa" Foreground="Green" />
</telerik:RadComboBox>
</DataTemplate>
</telerik:GridViewComboBoxColumn.CellTemplate>
</telerik:GridViewComboBoxColumn>
<telerik:GridViewDataColumn x:Name="colId" Width="Auto" DataMemberBinding="{Binding IdCUVExcel}" Header="ID" IsFilterable="False" IsReadOnly="True"/>
<telerik:GridViewDataColumn x:Name="colMza" Width="Auto" DataMemberBinding="{Binding Manzana}" Header="MZA" IsFilterable="False" IsReadOnly="True"/>
<telerik:GridViewDataColumn x:Name="colLot" Width="Auto" DataMemberBinding="{Binding Lote}" Header="LOT" IsFilterable="False" IsReadOnly="True"/>
<telerik:GridViewDataColumn x:Name="colNo" Width="Auto" DataMemberBinding="{Binding NumeroExterior}" Header="No" IsFilterable="False" IsReadOnly="True"/>
<telerik:GridViewDataColumn x:Name="colInt" Width="Auto" DataMemberBinding="{Binding NumeroInterior}" Header="INT" IsFilterable="False" IsReadOnly="True"/>
<telerik:GridViewDataColumn x:Name="colEdif" Width="Auto" DataMemberBinding="{Binding Edificio}" Header="EDIF" IsFilterable="False" IsReadOnly="True"/>
<telerik:GridViewDataColumn x:Name="colAvanceIndividual" Width="*" Background="{Binding ColorAvance}" DataMemberBinding="{Binding AvanceIndividual, Mode=TwoWay}" IsFilterable="True" IsReadOnly="True">
<telerik:GridViewDataColumn.Header>
<TextBlock Text="% Avance Individual" TextAlignment="Center" TextWrapping="Wrap" />
</telerik:GridViewDataColumn.Header>
<telerik:GridViewDataColumn.CellStyle>
<Style TargetType="telerik:GridViewCell">
<Setter Property="Foreground" Value="{Binding ColorAvance}" />
</Style>
</telerik:GridViewDataColumn.CellStyle>
</telerik:GridViewDataColumn>
<telerik:GridViewDataColumn x:Name="colDtu" DataMemberBinding="{Binding DTU, Mode=TwoWay}" Header="DTU" IsFilterable="False">
<telerik:GridViewDataColumn.CellTemplate>
<DataTemplate>
<CheckBox HorizontalAlignment="Center" VerticalAlignment="Center" BorderThickness="5" Click="CheckBox_Click" IsChecked="{Binding DTU, Mode=TwoWay}" />
</DataTemplate>
</telerik:GridViewDataColumn.CellTemplate>
</telerik:GridViewDataColumn>
<telerik:GridViewDataColumn x:Name="colPC" Width="*" DataMemberBinding="{Binding PC, Mode=TwoWay}" IsFilterable="False" Tag="1"/>
<telerik:GridViewDataColumn x:Name="colE" Width="*" DataMemberBinding="{Binding Estructura, Mode=TwoWay}" IsFilterable="False" Tag="1"/>
<telerik:GridViewDataColumn x:Name="colIHS" Width="*" DataMemberBinding="{Binding IHS, Mode=TwoWay}" IsFilterable="False" Tag="1"/>
<telerik:GridViewDataColumn x:Name="colIE" Width="*" DataMemberBinding="{Binding IE, Mode=TwoWay}" IsFilterable="False" Tag="1"/>
<telerik:GridViewDataColumn x:Name="colIG" Width="*" DataMemberBinding="{Binding IGE, Mode=TwoWay}" IsFilterable="False" Tag="1"/>
<telerik:GridViewDataColumn x:Name="colAlbanileria" Width="*" DataMemberBinding="{Binding Albañileria, Mode=TwoWay}" IsFilterable="False" Tag="1"/>
<telerik:GridViewDataColumn x:Name="colAcabados" Width="*" DataMemberBinding="{Binding Acabados, Mode=TwoWay}" IsFilterable="False" Tag="1"/>
<telerik:GridViewDataColumn x:Name="colCHC" Width="*" DataMemberBinding="{Binding CHC, Mode=TwoWay}" IsFilterable="False" Tag="1"/>
<telerik:GridViewDataColumn x:Name="colELE" Width="*" DataMemberBinding="{Binding ELE, Mode=TwoWay}" IsFilterable="False" Tag="1"/>
</telerik:RadGridView.Columns>
</telerik:RadGridView>
내 모델 :
여기public class MainWindowViewModel : BindableBase
{
private ObservableCollection<AvanceObra> _lstAvancesCuvs;
public ObservableCollection<AvanceObra> LstAvancesCuvs
{
get { return _lstAvancesCuvs; }
set
{
_lstAvancesCuvs = value;
OnPropertyChanged();
}
}
public MainWindowViewModel()
{
_lstAvancesCuvs = new ObservableCollection<AvanceObra>();
}
}
재미를 가지고, 나는 (하나 기록을 데려)이 가능하다고 생각하지 않습니다. GridView를 구성하여 결과를 페이지에 표시 할 수 있습니다. 또는 MVVM 바인딩을 제거하고 필요에 따라 코드에서 데이터를로드 할 수 있습니다. – Transcendent
데이터로드를 최적화 할 수있는 방법이 있습니까? 반드시 하나씩 가지고있을 필요는 없습니다 – Richard
글쎄요, 데이터 소스를 비동기 적으로 채우기 만하면됩니다 ... – lokusking