Bind a Button to an object in DataGrid WPF

Question

I am building a WPF app where it includes an action of adding an item to a shopping cart. A DataGrid defined as follows is bind to a collection of Products, and a Button is present for each row. Now, when a Button is clicked, how do I know which Product object it is for?

<DataGrid Grid.Row="1" ItemsSource="{Binding }" IsReadOnly="True" IsSynchronizedWithCurrentItem="True" 
              AutoGenerateColumns="False" TextBlock.FontSize="20" CanUserSortColumns="True" CanUserAddRows="False">
    <DataGrid.Columns>
        <DataGridTextColumn Header="Header 1" Binding="{Binding ID}" Width="2*" SortMemberPath="{Binding ID}"/>
        <DataGridTextColumn Header="Header 2" Binding="{Binding Name}" Width="2*" SortMemberPath="{Binding Name}"/>

        <DataGridTemplateColumn Header="Add To Cart" Width="2*">
            <DataGridTemplateColumn.CellTemplate>
                <DataTemplate>
                    <Button Content="Click To Add"/>
                </DataTemplate>
            </DataGridTemplateColumn.CellTemplate>
        </DataGridTemplateColumn>
    </DataGrid.Columns>
</DataGrid>

@Sajeetharan paul's link gives me a good solution. just curious, what's the MVVM way like? — totoro
– totoro, Commented Jan 28, 2015 at 9:43
I think you can override Product class and have there a method, which will handle buttonClick. So when you will create a command for datagridrowButtonClick it will be binded to your method in ProductClass — Sasha
– Sasha, Commented Jan 28, 2015 at 17:23

Amol Bavannavar · Accepted Answer · 2015-01-28 09:46:21Z

3

You can bind Product to Tag Property of Button Like this :

<Button Content="Click To Add" Tag="{Binding}"/>

You will get original entity by :

Product product = button.Tag as Product

answered Jan 28, 2015 at 9:46

Amol Bavannavar

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