wpf dataGrid
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<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:MyWPFCustomControls" xmlns:Microsoft_Windows_Themes="clr-namespace:Microsoft.Windows.Themes;assembly=PresentationFramework.Luna" > <Style x:Key="{ComponentResourceKey ResourceId=DataGridSelectAllButtonStyle, TypeInTargetAssembly={x:Type DataGrid}}" TargetType="{x:Type Button}"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type Button}"> <Grid> <Rectangle x:Name="Border" Fill="{DynamicResource {x:Static SystemColors.ControlBrushKey}}" SnapsToDevicePixels="True"/> <Polygon x:Name="Arrow" Fill="Black" HorizontalAlignment="Right" Margin="8,8,3,3" Opacity="0.15" Points="0,10 10,10 10,0" Stretch="Uniform" VerticalAlignment="Bottom"/> </Grid> <ControlTemplate.Triggers> <Trigger Property="IsMouseOver" Value="True"> <Setter Property="Stroke" TargetName="Border" Value="{DynamicResource {x:Static SystemColors.ControlDarkBrushKey}}"/> </Trigger> <Trigger Property="IsPressed" Value="True"> <Setter Property="Fill" TargetName="Border" Value="{DynamicResource {x:Static SystemColors.ControlDarkBrushKey}}"/> </Trigger> <Trigger Property="IsEnabled" Value="False"> <Setter Property="Visibility" TargetName="Arrow" Value="Collapsed"/> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style> <Style TargetType="{x:Type local:CustomDataGrid}"> <Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.ControlBrushKey}}"/> <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/> <Setter Property="BorderBrush" Value="#FF688CAF"/> <Setter Property="BorderThickness" Value="1"/> <Setter Property="RowDetailsVisibilityMode" Value="VisibleWhenSelected"/> <Setter Property="ScrollViewer.CanContentScroll" Value="true"/> <Setter Property="ScrollViewer.PanningMode" Value="Both"/> <Setter Property="Stylus.IsFlicksEnabled" Value="False"/> <Setter Property="CellStyle" > <Setter.Value> <Style TargetType="{x:Type DataGridCell}" > <Setter Property="Background" Value="Transparent"/> <Setter Property="BorderBrush" Value="Transparent"/> <Setter Property="BorderThickness" Value="1"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type DataGridCell}"> <Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True"> <ContentPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/> </Border> </ControlTemplate> </Setter.Value> </Setter> <Style.Triggers> <DataTrigger Binding="{Binding DataContext.IsSelected,RelativeSource={RelativeSource AncestorType={x:Type DataGridRow}}}" Value="True"> <Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/> <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.HighlightTextBrushKey}}"/> <Setter Property="BorderBrush" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/> </DataTrigger> <!--<Trigger Property="IsSelected" Value="True"> <Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/> <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.HighlightTextBrushKey}}"/> <Setter Property="BorderBrush" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/> </Trigger>--> <Trigger Property="IsKeyboardFocusWithin" Value="True"> <Setter Property="BorderBrush" Value="{DynamicResource {x:Static DataGrid.FocusBorderBrushKey}}"/> </Trigger> </Style.Triggers> </Style> </Setter.Value> </Setter> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type local:CustomDataGrid}"> <Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Padding="{TemplateBinding Padding}" SnapsToDevicePixels="True"> <ScrollViewer x:Name="DG_ScrollViewer" Focusable="false"> <ScrollViewer.Template> <ControlTemplate TargetType="{x:Type ScrollViewer}"> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto"/> <ColumnDefinition Width="*"/> <ColumnDefinition Width="Auto"/> </Grid.ColumnDefinitions> <Grid.RowDefinitions> <RowDefinition Height="Auto"/> <RowDefinition Height="*"/> <RowDefinition Height="Auto"/> </Grid.RowDefinitions> <Button Command="{x:Static DataGrid.SelectAllCommand}" Focusable="false" Style="{DynamicResource {ComponentResourceKey ResourceId=DataGridSelectAllButtonStyle, TypeInTargetAssembly={x:Type DataGrid}}}" Visibility="{Binding HeadersVisibility, ConverterParameter={x:Static DataGridHeadersVisibility.All}, Converter={x:Static DataGrid.HeadersVisibilityConverter}, RelativeSource={RelativeSource AncestorType={x:Type DataGrid}}}" Width="{Binding CellsPanelHorizontalOffset, RelativeSource={RelativeSource AncestorType={x:Type DataGrid}}}"/> <DataGridColumnHeadersPresenter x:Name="PART_ColumnHeadersPresenter" Grid.Column="1" Visibility="{Binding HeadersVisibility, ConverterParameter={x:Static DataGridHeadersVisibility.Column}, Converter={x:Static DataGrid.HeadersVisibilityConverter}, RelativeSource={RelativeSource AncestorType={x:Type DataGrid}}}"/> <ScrollContentPresenter x:Name="PART_ScrollContentPresenter" CanContentScroll="{TemplateBinding CanContentScroll}" Grid.ColumnSpan="2" Grid.Row="1"/> <ScrollBar x:Name="PART_VerticalScrollBar" Grid.Column="2" Maximum="{TemplateBinding ScrollableHeight}" Orientation="Vertical" Grid.Row="1" Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}" Value="{Binding VerticalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportHeight}"/> <Grid Grid.Column="1" Grid.Row="2"> <Grid.ColumnDefinitions> <ColumnDefinition Width="{Binding NonFrozenColumnsViewportHorizontalOffset, RelativeSource={RelativeSource AncestorType={x:Type DataGrid}}}"/> <ColumnDefinition Width="*"/> </Grid.ColumnDefinitions> <ScrollBar x:Name="PART_HorizontalScrollBar" Grid.Column="1" Maximum="{TemplateBinding ScrollableWidth}" Orientation="Horizontal" Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}" Value="{Binding HorizontalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}" ViewportSize="{TemplateBinding ViewportWidth}"/> </Grid> </Grid> </ControlTemplate> </ScrollViewer.Template> <ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/> </ScrollViewer> </Border> </ControlTemplate> </Setter.Value> </Setter> <Style.Triggers> <Trigger Property="IsGrouping" Value="true"> <Setter Property="ScrollViewer.CanContentScroll" Value="false"/> </Trigger> </Style.Triggers> </Style> <SolidColorBrush x:Key="{x:Static DataGrid.FocusBorderBrushKey}" Color="#FF000000"/> <Style x:Key="CustomDataGridCellStyle" TargetType="{x:Type DataGridCell}" > <Setter Property="Background" Value="Transparent"/> <Setter Property="BorderBrush" Value="Transparent"/> <Setter Property="BorderThickness" Value="1"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type DataGridCell}"> <Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True"> <ContentPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/> </Border> </ControlTemplate> </Setter.Value> </Setter> <Style.Triggers> <DataTrigger Binding="{Binding DataContext.IsSelected,RelativeSource={RelativeSource AncestorType={x:Type DataGridRow}}}" Value="True"> <Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/> <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.HighlightTextBrushKey}}"/> <Setter Property="BorderBrush" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/> </DataTrigger> <!--<Trigger Property="IsSelected" Value="True"> <Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/> <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.HighlightTextBrushKey}}"/> <Setter Property="BorderBrush" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/> </Trigger>--> <Trigger Property="IsKeyboardFocusWithin" Value="True"> <Setter Property="BorderBrush" Value="{DynamicResource {x:Static DataGrid.FocusBorderBrushKey}}"/> </Trigger> </Style.Triggers> </Style> <Style x:Key="ColumnHeaderGripperStyle" TargetType="{x:Type Thumb}"> <Setter Property="Width" Value="8"/> <Setter Property="Background" Value="Transparent"/> <Setter Property="Cursor" Value="SizeWE"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type Thumb}"> <Border Background="{TemplateBinding Background}" Padding="{TemplateBinding Padding}"/> </ControlTemplate> </Setter.Value> </Setter> </Style> <Style x:Key="DataGridColumnHeaderStyle1" TargetType="{x:Type DataGridColumnHeader}"> <Setter Property="VerticalContentAlignment" Value="Center"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type DataGridColumnHeader}"> <Grid> <Microsoft_Windows_Themes:DataGridHeaderBorder BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" IsClickable="{TemplateBinding CanUserSort}" IsPressed="{TemplateBinding IsPressed}" IsHovered="{TemplateBinding IsMouseOver}" Padding="{TemplateBinding Padding}" SortDirection="{TemplateBinding SortDirection}" SeparatorBrush="{TemplateBinding SeparatorBrush}" SeparatorVisibility="{TemplateBinding SeparatorVisibility}" ThemeColor="NormalColor"> <ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/> </Microsoft_Windows_Themes:DataGridHeaderBorder> <Thumb x:Name="PART_LeftHeaderGripper" HorizontalAlignment="Left" Style="{StaticResource ColumnHeaderGripperStyle}"/> <Thumb x:Name="PART_RightHeaderGripper" HorizontalAlignment="Right" Style="{StaticResource ColumnHeaderGripperStyle}"/> </Grid> </ControlTemplate> </Setter.Value> </Setter> </Style> <BooleanToVisibilityConverter x:Key="bool2VisibilityConverter"/> <Style x:Key="RowHeaderGripperStyle" TargetType="{x:Type Thumb}"> <Setter Property="Height" Value="8"/> <Setter Property="Background" Value="Transparent"/> <Setter Property="Cursor" Value="SizeNS"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type Thumb}"> <Border Background="{TemplateBinding Background}" Padding="{TemplateBinding Padding}"/> </ControlTemplate> </Setter.Value> </Setter> </Style> <Style x:Key="DataGridRowHeaderStyle1" TargetType="{x:Type DataGridRowHeader}"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type DataGridRowHeader}"> <Grid> <Microsoft_Windows_Themes:DataGridHeaderBorder BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" IsPressed="{TemplateBinding IsPressed}" IsHovered="{TemplateBinding IsMouseOver}" IsSelected="{TemplateBinding IsRowSelected}" Orientation="Horizontal" Padding="{TemplateBinding Padding}" SeparatorBrush="{TemplateBinding SeparatorBrush}" SeparatorVisibility="{TemplateBinding SeparatorVisibility}" ThemeColor="NormalColor"> <StackPanel Orientation="Horizontal"> <ContentPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="Center" /> <Control SnapsToDevicePixels="false" Template="{Binding ValidationErrorTemplate, RelativeSource={RelativeSource AncestorType={x:Type DataGridRow}}}" Visibility="{Binding (Validation.HasError), Converter={StaticResource bool2VisibilityConverter}, RelativeSource={RelativeSource AncestorType={x:Type DataGridRow}}}"/> </StackPanel> </Microsoft_Windows_Themes:DataGridHeaderBorder> <Thumb x:Name="PART_TopHeaderGripper" Style="{StaticResource RowHeaderGripperStyle}" VerticalAlignment="Top"/> <Thumb x:Name="PART_BottomHeaderGripper" Style="{StaticResource RowHeaderGripperStyle}" VerticalAlignment="Bottom"/> </Grid> </ControlTemplate> </Setter.Value> </Setter> </Style> <Style x:Key="1" TargetType="{x:Type DataGridRow}"> <Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.WindowBrushKey}}"/> <Setter Property="SnapsToDevicePixels" Value="true"/> <Setter Property="Validation.ErrorTemplate" Value="{x:Null}"/> <Setter Property="ValidationErrorTemplate"> <Setter.Value> <ControlTemplate> <TextBlock Foreground="Red" Margin="2,0,0,0" Text="!" VerticalAlignment="Center"/> </ControlTemplate> </Setter.Value> </Setter> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type DataGridRow}"> <Border x:Name="DGR_Border" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True"> <SelectiveScrollingGrid> <SelectiveScrollingGrid.ColumnDefinitions> <ColumnDefinition Width="Auto"/> <ColumnDefinition Width="*"/> </SelectiveScrollingGrid.ColumnDefinitions> <SelectiveScrollingGrid.RowDefinitions> <RowDefinition Height="*"/> <RowDefinition Height="Auto"/> </SelectiveScrollingGrid.RowDefinitions> <DataGridCellsPresenter Grid.Column="1" ItemsPanel="{TemplateBinding ItemsPanel}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/> <DataGridDetailsPresenter Grid.Column="1" Grid.Row="1" SelectiveScrollingGrid.SelectiveScrollingOrientation="{Binding AreRowDetailsFrozen, ConverterParameter={x:Static SelectiveScrollingOrientation.Vertical}, Converter={x:Static DataGrid.RowDetailsScrollingConverter}, RelativeSource={RelativeSource AncestorType={x:Type DataGrid}}}" Visibility="{TemplateBinding DetailsVisibility}"/> <DataGridRowHeader Grid.RowSpan="2" SelectiveScrollingGrid.SelectiveScrollingOrientation="Vertical" Visibility="{Binding HeadersVisibility, ConverterParameter={x:Static DataGridHeadersVisibility.Row}, Converter={x:Static DataGrid.HeadersVisibilityConverter}, RelativeSource={RelativeSource AncestorType={x:Type DataGrid}}}"/> </SelectiveScrollingGrid> </Border> </ControlTemplate> </Setter.Value> </Setter> </Style> </ResourceDictionary>
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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Media; namespace MyWPFCustomControls { public class CustomDataGrid : DataGrid { private bool SelectAll; private bool IsClicked; private bool IsSelectionChanged; public CustomDataGrid() { this.CanUserResizeRows = false; this.CanUserResizeColumns = false; this.SelectionUnit = DataGridSelectionUnit.FullRow; this.SelectionChanged += CustomDataGrid_SelectionChanged; this.MouseLeftButtonUp += CustomDataGrid_MouseLeftButtonUp; this.LoadingRow += CustomDataGrid_LoadingRow; IsClicked = true; SelectAll = true; DataGridTemplateColumn tc = new DataGridTemplateColumn(); //DataTemplate dt = new DataTemplate(); tc.CanUserSort = true; tc.CanUserResize = false; tc.CanUserReorder = false; tc.SortMemberPath = "IsSelected"; CheckBox cb = new CheckBox() { Margin = new Thickness(8, 0, 0, 0) }; cb.Click += new RoutedEventHandler(cb_Click); tc.Header = cb; DataTemplate dt1 = new DataTemplate(); FrameworkElementFactory fef1 = new FrameworkElementFactory(typeof(CheckBox)); Binding binding1 = new Binding(); binding1.Path = new PropertyPath("IsSelected"); binding1.Mode = BindingMode.TwoWay; binding1.UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged; fef1.SetBinding(CheckBox.IsCheckedProperty, binding1); fef1.SetValue(CheckBox.MarginProperty, new Thickness(10, 0, 0, 0)); //fef1.SetValue(CheckBox.NameProperty, "cBoxSelected"); fef1.AddHandler(CheckBox.ClickEvent, (RoutedEventHandler)cBoxSelected_Click_1, true); dt1.VisualTree = fef1; tc.CellTemplate = dt1; this.Columns.Add(tc); } static CustomDataGrid() { // DefaultStyleKeyProperty.OverrideMetadata(typeof(CustomDataGrid), new FrameworkPropertyMetadata(typeof(CustomDataGrid))); } void CustomDataGrid_LoadingRow(object sender, DataGridRowEventArgs e) { string index =( e.Row.GetIndex() + 1)+""; Grid g = new Grid() { Width=25,VerticalAlignment=VerticalAlignment.Stretch,HorizontalAlignment=HorizontalAlignment.Stretch,Background=new SolidColorBrush(Colors.Red) }; g.PreviewMouseLeftButtonDown += new System.Windows.Input.MouseButtonEventHandler(g_PreviewMouseLeftButtonDown); TextBlock t = new TextBlock() { Text = index,Margin=new Thickness(10,0,0,0), VerticalAlignment = VerticalAlignment.Stretch,HorizontalAlignment=HorizontalAlignment.Stretch}; // t.PreviewMouseLeftButtonDown += new System.Windows.Input.MouseButtonEventHandler(t_PreviewMouseLeftButtonDown); g.Children.Add(t); e.Row.Header = g; } void t_PreviewMouseLeftButtonDown(object sender, System.Windows.Input.MouseButtonEventArgs e) { } void g_PreviewMouseLeftButtonDown(object sender, System.Windows.Input.MouseButtonEventArgs e) { this.SelectedItem = null; IsClicked = false; } void cb_Click(object sender, RoutedEventArgs e) { CheckBox cb = sender as CheckBox; DataGridTemplateColumn tempColumn = this.Columns[0] as DataGridTemplateColumn; CheckBox header = tempColumn.Header as CheckBox; foreach (var item in this.Items) { if (item.GetType().GetProperty("IsSelected") != null) { if (cb.IsChecked.GetValueOrDefault()) { item.GetType().GetProperty("IsSelected").SetValue(item, true, null); } else { item.GetType().GetProperty("IsSelected").SetValue(item, false, null); } } } } void CustomDataGrid_MouseLeftButtonUp(object sender, System.Windows.Input.MouseButtonEventArgs e) { if (!IsSelectionChanged) { //foreach (var item in dataGrid1.SelectedItems) //{ int count = this.SelectedItems.Count; if (count > 1) { foreach (var item in this.SelectedItems) { if (item != null) { if (item.GetType().GetProperty("IsSelected") != null) { if ((bool)item.GetType().GetProperty("IsSelected").GetValue(item, null)) { item.GetType().GetProperty("IsSelected").SetValue(item, SelectAll, null); DataGridTemplateColumn tempColumn = this.Columns[0] as DataGridTemplateColumn; CheckBox header = tempColumn.Header as CheckBox; header.IsChecked = false; } else { item.GetType().GetProperty("IsSelected").SetValue(item, SelectAll, null); CheckIsCheckedAll(); } } //DataGridTemplateColumn templeColumn = this.Columns[0] as DataGridTemplateColumn; //FrameworkElement fwElement = this.Columns[0].GetCellContent(item); //CheckBox objChk = templeColumn.CellTemplate.FindName("cBoxSelected", fwElement) as CheckBox; //objChk.IsChecked = SelectAll; //if (!SelectAll) //{ // this.SelectedItem = null; //} } } if (SelectAll) { SelectAll = false; } else { SelectAll = true; } IsClicked = true; } else { var item = this.SelectedItem; if (item != null) { if (item.GetType().GetProperty("IsSelected") != null) { if ((bool)item.GetType().GetProperty("IsSelected").GetValue(item, null)) { item.GetType().GetProperty("IsSelected").SetValue(item, false, null); this.SelectedItem = null; item.GetType().GetProperty("IsSelected").SetValue(item, false, null); DataGridTemplateColumn tempColumn = this.Columns[0] as DataGridTemplateColumn; CheckBox header = tempColumn.Header as CheckBox; header.IsChecked = false; } else { item.GetType().GetProperty("IsSelected").SetValue(item, true, null); CheckIsCheckedAll(); } } IsClicked = true; } } // //} } else { IsSelectionChanged = false; } } private void cBoxSelected_Click_1(object sender, RoutedEventArgs e) { // IsSelectionChanged = true; CheckBox cb = sender as CheckBox; if (cb.IsChecked.GetValueOrDefault()) { CheckIsCheckedAll(); } else { DataGridTemplateColumn tempColumn = this.Columns[0] as DataGridTemplateColumn; CheckBox header = tempColumn.Header as CheckBox; header.IsChecked = false; this.SelectedItem = null; } IsClicked = true; } void CustomDataGrid_SelectionChanged(object sender, SelectionChangedEventArgs e) { if (!IsClicked) { var item = this.SelectedItem; if (item != null) { if (item.GetType().GetProperty("IsSelected") != null) { if ((bool)item.GetType().GetProperty("IsSelected").GetValue(item, null)) { item.GetType().GetProperty("IsSelected").SetValue(item, false, null); DataGridTemplateColumn tempColumn = this.Columns[0] as DataGridTemplateColumn; CheckBox header = tempColumn.Header as CheckBox; header.IsChecked = false; } else { item.GetType().GetProperty("IsSelected").SetValue(item, true, null); CheckIsCheckedAll(); } } //DataGridTemplateColumn templeColumn = this.Columns[0] as DataGridTemplateColumn; //FrameworkElement fwElement = this.Columns[0].GetCellContent(item); //CheckBox objChk = templeColumn.CellTemplate.FindName("cBoxSelected", fwElement) as CheckBox; //if (objChk.IsChecked == true) //{ // objChk.IsChecked = false; //} //else // objChk.IsChecked = true; IsSelectionChanged = true; } } else { IsClicked = false; } } private void CheckIsCheckedAll() { int count = 0; foreach (var item in this.Items) { if (item.GetType().GetProperty("IsSelected") != null && ((bool)(item.GetType().GetProperty("IsSelected").GetValue(item, null))) == true) { count++; } } if (count == Items.Count) { DataGridTemplateColumn tempColumn = this.Columns[0] as DataGridTemplateColumn; CheckBox header = tempColumn.Header as CheckBox; header.IsChecked = true; } } } }