wpfdatagrid | 易学教程

How to Select All CheckBox of a Column by DataGrid Header CheckBox in WPF DataGrid

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I have a DataGrid with one CheckBoxColumn. In the header of that CheckBoxColumn I have added a CheckBox to Select all CheckBoxes of that Datagrid Row. How can I achieve that? My XAML Code for WPF dataGrid: <DataGrid AutoGenerateColumns="False" CanUserAddRows="False" Grid.RowSpan="2" Height="130" HorizontalAlignment="Left" IsReadOnly="False" Margin="189,340,0,0" Name="dgCandidate" TabIndex="7" VerticalAlignment="Top" Width="466" Grid.Row="1" > <DataGrid.Columns> <DataGridTextColumn x:Name="colCandidateID" Binding="{Binding CandidateID}" Header="SlNo" MinWidth="20" IsReadOnly="True" />

How to show row index for wpf toolkit datagrid?

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问题 I just want to add a index column in wpf toolkit DataGrid to show row index of each data in the DataGrid . How? <dg:DataGrid ItemsSource="{Binding List}" SelectionMode="Extended" IsReadOnly="True" AutoGenerateColumns="False" HorizontalAlignment="Left"> <dg:DataGrid.Columns> **<dg:DataGridTextColumn Header="Row Index"></dg:DataGridTextColumn>** <dg:DataGridTextColumn Header="Branch" Binding="{Binding Branch.Id}"></dg:DataGridTextColumn> <dg:DataGridTextColumn Header="Count" Binding="{Binding

Wpf Datagrid Max Rows

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问题 I am currently working with data grid where I only want to allow the user to enter UP TO 20 rows of data before making CanUserAddRows to false. I made a dependency property on my own datagrid (that derives from the original one). I tried using the event " ItemContainerGenerator.ItemsChanged " and check for row count in there and if row count = max rows, then make can user add row = false (I get an exception for that saying i'm not allow to change it during "Add Row". I was wondering if there

Click event for DataGridCheckBoxColumn

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I have a DataGrid in a WPF form with a DataGridCheckBoxColumn , but I did not find any click event, Checked and unchecked for it... Are these events available for the DataGridCheckBoxColumn ? If not please suggest some workaround I could use. Quoted from William Han's answer here: http://social.msdn.microsoft.com/Forums/ar/wpf/thread/9e3cb8bc-a860-44e7-b4da-5c8b8d40126d It simply adds an event to the column. It is a good simple solution. Perhaps you can use EventSetter as example below: Markup: <Window x:Class="DataGridCheckBoxColumnTest.MainWindow" xmlns="http://schemas.microsoft.com/winfx

DataGridTemplateColumn with DatePicker requires three clicks to edit the date

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问题 I have a DataGridTemplateColumn . Inside its CellEditingTemplate , I put a DatePicker control. Now if I want to edit the date, I have to click three times to let DatePicker begin editing. Can someone let me know how I can get DatePicker into edit mode with only two clicks? Also, if DataGridTemplateColumn get focused, keyboard typing doesn't put DatePicker into edit mode as well. It would be nice if it can be fixed as well. 回答1: You have to override the PrepareCellForEdit in

WPF DataGrid - Why the extra column

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I have a WPF app that uses DataGrid to display some data. When I run the program there is an additional column as shown here: Here is what it looks like when I design it in VS2010 I have turned off AutoGenerateColumns on the data grid and specified the columns individually as such (this is a user control): <Grid Margin="10,10,10,10"> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition /> </Grid.RowDefinitions> <DataGrid x:Name="EmployeeHours" AutoGenerateColumns="False" ItemsSource="{Binding EmployeeHoursLastWeek}" Width="Auto"> <DataGrid.Columns> <DataGridTextColumn Header=

Click event for DataGridCheckBoxColumn

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问题 I have a DataGrid in a WPF form with a DataGridCheckBoxColumn , but I did not find any click event, Checked and unchecked for it... Are these events available for the DataGridCheckBoxColumn ? If not please suggest some workaround I could use. 回答1: Quoted from William Han's answer here: http://social.msdn.microsoft.com/Forums/ar/wpf/thread/9e3cb8bc-a860-44e7-b4da-5c8b8d40126d It simply adds an event to the column. It is a good simple solution. Perhaps you can use EventSetter as example below:

WPF DataGrid source updating on cell changed

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问题 I am new to the WPF ,and i use it to build a point of sale system. I have a DataGrid control in the main window bound to an ObservableCollection of Item , the cashier will enter/scan the items to be sold the default quantity for each item is 1 but it is available for the cashier to change the quantity manually. Whenever I change the quantity, it should update the total price with the sum of the items' prices when I leave the cell to another cell on the row, but it doesn't happen, the source

Can static data for Datagrid rows be defined purely in XAML i.e. no code behind?

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I have static data that I want to display in Datagrid format. The values are for display purposes only and will not change. Can it be added as some kind of subtag of the Datagrid control so I can avoid anything in the codebehind? It has to be Datagrid control only as the purpose is to experiment with and demo certain Datagrid UI features with dummy blah blah content. If pure XAML content is not possible then what is the best (quick & dirty) method to set up dummy content for a datagrid? Can it be done without writing classes etc? Check the example section on this MSDN page Since the datagrid

Focus on DataGridCell for SelectedItem when DataGrid Receives Keyboard Focus

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I have a DataGrid where the SelectedItem is bound to a VM Selected property. I have a search control that will do a find and the SelectedItem of the DataGrid changes (and scrolls into view). WPF 4.0 and DataGrid SelectionUnit="FullRow" . My problem is with the focus. The DataGrid receives focus (via attached property / binding) but you can't use the Up , Down , Page Up , Page Down keys to change rows ( SelectedItem ). If I tab again, the first cell of the first row displayed is selected which changes the SelectedItem . Bottom line, how can I give keyboard focus to the DataGridCell for the