Bind array values to textboxes

Question

I am writing a Sudoku application in c# and WPF. I got the grids with my Textboxes so far, but now i want to fill it with a Array of Arrays ([][]).

For my first tests i found a way to do this manually. XAML:

 <TextBox> Text="{Binding Path=Testarr[0][0]}" Name="testbox"></TextBox>

and in my xaml.cs:

testbox.DataContext = this;

So now my Textbox show the value which is initialized in Testarr[0][0].

For my Sudoku i have 81 textboxes, and i don´t want to initialize all of them manually, is there a way to do it simple?

Yes. MVVM. ItemsControl with ItemTemplate. But that would require learning something, so just write a perl script to generate all the XAML with bindings. — 15ee8f99-57ff-4f92-890c-b56153
– 15ee8f99-57ff-4f92-890c-b56153, Commented Nov 23, 2016 at 15:13

Vincent · Accepted Answer · 2016-11-23 15:26:01Z

1

You can have a look here where it shows how to use an ItemsControl to create your grid.

    <ItemsControl ItemsSource="{Binding MyCollection}">
        <!-- ItemsPanelTemplate -->
        <ItemsControl.ItemsPanel>
            <ItemsPanelTemplate>
                <UniformGrid Columns="2" />
            </ItemsPanelTemplate>
        </ItemsControl.ItemsPanel>
 
        <!-- ItemTemplate -->
        <ItemsControl.ItemTemplate>
            <DataTemplate>
                <Button Content="{Binding }" />
            </DataTemplate>
        </ItemsControl.ItemTemplate>
    </ItemsControl>

answered Nov 23, 2016 at 15:26

Vincent

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1 Comment

Vincent Over a year ago

Using a TwoWay binding, the user input will automatically be set to the matching view-model instance.

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