datagrid

问题 I am looking to add a tiny (10x10) rectangle as a cell in my DataGrid. I already have it set in the object I'm just looking for a way to get it from the code into my DataGrid. This is my DataGrid XAML: <DataGrid Name="dataGrid1" Grid.Row="2" AutoGenerateColumns="False" DataContext="{Binding}" HeadersVisibility="Column" HorizontalGridLinesBrush="#ccc" VerticalGridLinesBrush="#ccc" VirtualizingStackPanel.VirtualizationMode="Standard" Background="#FFF6F6F6" CanUserAddRows="False"> <DataGrid

问题 I'm not sure about how to correctly use the DbContext for Entities bound to a WPF DataGrid? How do I correctly "re-attach" and save changes to the database for all the entities that were loaded to the datagrid during UserControl load? I was using a DbContext as a member variable and ObservableCollection as DataSource for Datagrids. So everything was fine so far, no need to search for errors in the code below. Just to show what I have done so far. // Old code - working perfectly as desired

问题 Using VS 2010 I plan to make several datagrid template columns, but they will all contain a textblock and I want to them to behave like a text column in terms of sorting, filtering, editing, etc. (For example, a column that has a textblock and an image within a stackpanel, but behavior-wise it should really be all about the text.) When using a template column, I've learned that much of the functionality associated with a normal text cell must be redone. For instance, in order to make the text

问题 My app correctly populates a DataGrid column with ComboBoxes, using the following XAML code: <DataGridTemplateColumn Header="Thickness"> <DataGridTemplateColumn.CellTemplate> <DataTemplate> <ComboBox ItemsSource="{Binding SteelThickness, RelativeSource={RelativeSource AncestorType=Window}}" SelectedItem="{Binding BottomPlateThickness, UpdateSourceTrigger=PropertyChanged}" SelectionChanged="ComboBox_SelectionChanged" /> </DataTemplate> </DataGridTemplateColumn.CellTemplate> <

问题 I have a form in which a simple gridview is populated by a table in database having columns like TicketID, Name, Company, Product etc. Now I want to add a search feature so that user could search by customer name or company or TicketID. How can I do that ? I want to place a combox box, textbox and a simple "search" button above datagrid. When the user selects TicketID for example, enters "1" in textbox and presses "Search", it should refresh datagrid with entry where TicketID = 1. Now I don't

问题 I have a form in which a simple gridview is populated by a table in database having columns like TicketID, Name, Company, Product etc. Now I want to add a search feature so that user could search by customer name or company or TicketID. How can I do that ? I want to place a combox box, textbox and a simple "search" button above datagrid. When the user selects TicketID for example, enters "1" in textbox and presses "Search", it should refresh datagrid with entry where TicketID = 1. Now I don't

问题 How to make one column editable in a readonly datagrid? <DataGrid x:Name="dgLoadDtl" Height="315" Width="710" Grid.Row="0" HorizontalAlignment="Left" VerticalAlignment="Bottom" Style="{DynamicResource StyleDatagrid}" IsReadOnly="true"> <DataGrid.Columns> <DataGridTextColumn Foreground="Black" Width="60" Header="Sctn" Binding="{Binding Sctn, Mode=TwoWay}" IsReadOnly="false" /> <DataGridTextColumn Foreground="Black" Width="140" Header="CustName" Binding="{Binding CustName, Mode=TwoWay}" />

问题 How to make one column editable in a readonly datagrid? <DataGrid x:Name="dgLoadDtl" Height="315" Width="710" Grid.Row="0" HorizontalAlignment="Left" VerticalAlignment="Bottom" Style="{DynamicResource StyleDatagrid}" IsReadOnly="true"> <DataGrid.Columns> <DataGridTextColumn Foreground="Black" Width="60" Header="Sctn" Binding="{Binding Sctn, Mode=TwoWay}" IsReadOnly="false" /> <DataGridTextColumn Foreground="Black" Width="140" Header="CustName" Binding="{Binding CustName, Mode=TwoWay}" />

问题 I have a datagrid and textboxes. When I select a row in DataGrid I want the textboxes to be filled with related data of that datagrid column. Here is the picture., I have written this code in MainWindow.xaml.cs : private void personelEntityDataGrid_Loaded(object sender, RoutedEventArgs e) { PersonelEntity pers = (PersonelEntity)personelEntityDataGrid.SelectedItem; NameBox.Text = pers.Name; // I get exception here AgeBox.Text = pers.Age.ToString(); PhoneNumberBox.Text = pers.PhoneNumber;

问题 I have struggled to save my combobox selected value when operating inside a datagrid. When I make a test solution with no datagrid things are working ok. The context are person names with associated countries. The countries are stored in a xml file. Here is a snapshot of the initial view: You see here the (important parts of the)PersonList.xaml: <UserControl.Resources> <XmlDataProvider x:Key="Dataxml" Source="\Properties\AllCountries.xml" /> <model:Person x:Key="Person"/> </UserControl