How to custome the cell to display data using WPF?

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I have an idea to display data in this way.
I qurey a record from the database,this record has three fields(for example a,b,c).
Then I want display these fields in two columns of the same row. The field a is in the left column. The right column is divided into two rows. b is in the top row,c is in the buttom row. And I want add a control(such as button) in the top row of the right column to change the data with clicking it.
I want to use C# and WPF.

Who can help me?
Thank u.

Posted 26-Nov-10 14:11pm

barrelish

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69Icaro · Answer 1 · 2010-11-28T01:26:00

XML

<Window x:Class="WpfApplication1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <DataGrid Name="dg" AutoGenerateColumns="False">
        <DataGrid.Columns>
            <DataGridTemplateColumn Header="A">
                <DataGridTemplateColumn.CellTemplate>
                    <DataTemplate>
                        <Grid>
                            <ContentPresenter Content="{Binding a}" HorizontalAlignment="Left" VerticalAlignment="Center" />
                        </Grid>
                    </DataTemplate>
                </DataGridTemplateColumn.CellTemplate>
            </DataGridTemplateColumn>
            <DataGridTemplateColumn Header="B + C">
                <DataGridTemplateColumn.CellTemplate>
                    <DataTemplate>
                        <Grid>
                            <Grid.RowDefinitions>
                                <RowDefinition Height="Auto" />
                                <RowDefinition Height="Auto" />
                                <RowDefinition Height="Auto" />
                            </Grid.RowDefinitions>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="*" />
                                <ColumnDefinition Width="Auto" />
                            </Grid.ColumnDefinitions>
                            <ContentPresenter Content="{Binding b}" Grid.Row="0" HorizontalAlignment="Left" VerticalAlignment="Center" />
                            <Rectangle Grid.Row="1" Grid.ColumnSpan="2" Margin="0" Stroke="Black" StrokeThickness="1" />
                            <ContentPresenter Content="{Binding c}" Grid.Row="2" Grid.ColumnSpan="2" HorizontalAlignment="Left" VerticalAlignment="Center" />
                            <Button Grid.Row="0" Grid.Column="1" Content="Edit" Margin="15,5,5,5" HorizontalAlignment="Right" Tag="{Binding}" Click="Button_Click" />
                        </Grid>
                    </DataTemplate>
                </DataGridTemplateColumn.CellTemplate>
            </DataGridTemplateColumn>
        </DataGrid.Columns>
    </DataGrid>
</Window>

This is the XAML code to use: the DataGrid has only 2 columns and the second one has a different template. I've used a grid to make 2 different rows in the second column. The Tag property of the button is bound to the object to edit, so, in the code behind, we can do this:

C#

public struct Structure
    {
        public string a { get; set; }
        public string b { get; set; }
        public string c { get; set; }
    }
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            dg.ItemsSource = new Structure[] { new Structure { a = "", b = "", c = "" }, new Structure { a = "1", b = "2", c = "3" } };
        }
        private void Button_Click(object sender, RoutedEventArgs e)
        {
            //Gets the object to edit
            Structure obj = (Structure)((Button)sender).Tag;
            //Msgbox
            MessageBox.Show("Object to edit:\r\nA: " + obj.a + "\r\nB: " + obj.b + "\r\nC: " + obj.c);
        }
    }