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C# WPF XAML , How create Textbox input field with stringformat?

Code XAML
<Grid>
<StackPanel Orientation="Horizontal">
<Label Content="Bank Doc Nbr :" Margin="0,0,0,0" VerticalAlignment="Center" />
<TextBox Name="txtBankNbr" Text="{Binding ElementName=txtBankNbr, Path=Text, StringFormat={}{0:##0/000}}" materialDesign:HintAssist.Hint="0/000" VerticalAlignment="Center" materialDesign:TextFieldAssist.DecorationVisibility="Hidden" BorderThickness="0" />
<Label Content="Bank Income :€" Margin="5,0,0,0" VerticalAlignment="Center" />
<TextBox Name="txtBankIncome" Text="{Binding ElementName=txtBankIncome, Path=Text,StringFormat={}{0:######0.00}}" materialDesign:HintAssist.Hint="0,00" VerticalAlignment="Center" materialDesign:TextFieldAssist.DecorationVisibility="Hidden" BorderThickness="0" />
</StackPanel>
</Grid>
------ Explanation: Format of txtBankNbr is {0:##0/000} and can only receive numbers. eg "1/001" , 12/021 , ....
Format of txtBankNbr is {0:##0.00} and can only receive a decimal
number What is wrong in my code?
Thanks

Try this:
StringFormat={}{0:#.##}
it should show two decimal place

Binding data to XAML while runtime

I build a Chart with a Grid and some Rectangles, like in this Post:
Drawing a chart in WPF C# design questions
Now I save this Chart to an XAML-File to fill it later by another program.
In this chart I need to bind three Values:
1. Labels
2. MaxHeight - Height (by each bar)
3. Height
My Problem is, that I don't know how to bind it correctly for using it in another application.
The other Application could give me a list or an array with the values and the label, but I dont know how I should bind unknown values to the Rectangles.
In the code below I binded the "ChartLabel" but I need all Chart Labels not only one.
When I creating the chart I don't now how much bars I will have later.
<Grid ShowGridLines="True" Background="#FFF5F5DC" Width="Auto" Margin="5,5,5,5" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
<Rectangle Fill="#FF0000FF" Grid.Column="{Binding Path=Test6_Val, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
<TextBox Text="{Binding Path=ChartLabel, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" BorderBrush="#00FFFFFF" Background="#00FFFFFF" HorizontalAlignment="Center" Grid.Column="5" Grid.Row="10" />
<Rectangle Fill="#FF0000FF" Grid.Column="{Binding Path=Test7_Val, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
<TextBox Text="{Binding Path=ChartLabel, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" BorderBrush="#00FFFFFF" Background="#00FFFFFF" HorizontalAlignment="Center" Grid.Column="6" Grid.Row="10" />
<Rectangle Fill="#FF0000FF" Grid.Column="{Binding Path=Test8_Val, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
<TextBox Text="{Binding Path=ChartLabel, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" BorderBrush="#00FFFFFF" Background="#00FFFFFF" HorizontalAlignment="Center" Grid.Column="7" Grid.Row="10" />
<Rectangle Fill="#FF0000FF" Grid.Column="{Binding Path=Test9_Val, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
<TextBox Text="{Binding Path=ChartLabel, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" BorderBrush="#00FFFFFF" Background="#00FFFFFF" HorizontalAlignment="Center" Grid.Column="8" Grid.Row="10" />
<Rectangle Fill="#FF0000FF" Grid.Column="{Binding Path=Test10_Val, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
<TextBox Text="{Binding Path=ChartLabel, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" BorderBrush="#00FFFFFF" Background="#00FFFFFF" HorizontalAlignment="Center" Grid.Column="9" Grid.Row="10" />
</Grid>

I'm not sure I follow your description of which part you're having a problem with.
You will have a List.
You want to use a string from that as label and a number as height.
If you iterate that you can find the max and hence calculate some sort of scaling factor so a value of half the max ends up about half the height of your chart.
The way I'd do a series like that is with an itemscontrol. Bind an observablecollection to the itemssource. An itemscontrol has a stackpanel it's contents go in. Make the orientation horizontal and define an itemtemplate. That would have a textblock for the label, (maybe rotated) and a rectangle whose height is bound to your scaled value.
Which is roughly how the terrain visualiser I wrote works.
There are no labels - so this is to give you the idea rather than cut and paste.
<ListBox ItemsSource="{Binding TerrainPointList}"
..
>
<ListBox.ItemsPanel>
<ItemsPanelTemplate>
<VirtualizingStackPanel IsItemsHost="True"
Orientation="Horizontal"/>
</ItemsPanelTemplate>
</ListBox.ItemsPanel>
...
A listbox has scrollers and selecteditem. I use selecteditem in mine and that might or might not be useful to you.

SL4 Dataform NewItemTemplate textbox value not getting bound

I have a silverlight 4 application using MVVM which has a grid and dataform. the dataform
has an EditItemTemplate and a NewItemTemplate. On Editing the EditItemTemplate code runs fine but upon adding a new item the NewItemTemplate code throws an error to the effect that barcode is required. Where could I be going wrong. Thanks in advance.
NewItemTemplate xaml code
<toolkit:DataField Label="Barcode :"
FontWeight="Bold"
Grid.Column="0"
Grid.Row="0"
Margin="1"
IsRequired="True"
HorizontalAlignment="Left">
<TextBox Grid.Column="1"
Name="BarcodeId"
Text="{Binding Barcode.BarcodeId,Mode=TwoWay, NotifyOnValidationError=True,ValidatesOnExceptions=True, UpdateSourceTrigger=PropertyChanged}"
HorizontalAlignment="Stretch"
Grid.Row="0"
Margin="2"
Width="300"
TabIndex="0" />
</toolkit:DataField>
EditItemTemplate code
<toolkit:DataField Label="Barcode :"
FontWeight="Bold"
Grid.Column="0"
Grid.Row="0"
Margin="1"
IsRequired="False"
IsEnabled="True"
HorizontalAlignment="Left">
<TextBox Width="200"
Text="{Binding Barcode.BarcodeId,Mode=TwoWay}" FontWeight="Normal" />
</toolkit:DataField>

Show only allowed data in WPF Listbox Databinding

I currently have a list box:
<ListBox HorizontalAlignment="Left"
ItemsSource="{Binding Data, ElementName=bookingDomainDataSource}"
Margin="158,134,0,45"
x:Name="bookingListBox"
Width="429"
SelectedItem="{Binding Path=SelectedItem, Mode=TwoWay, ElementName=bookingComboBox}">
<ListBox.ItemTemplate>
<DataTemplate>
<StackPanel Orientation="Horizontal">
<TextBlock Text="{Binding Path=userId}"
Width="100" />
<TextBlock Text="{Binding Path=bookingName}"
Width="100" />
<TextBlock Text="{Binding Path=bookingDate}"
Width="100" />
<TextBlock Text="{Binding Path=showId}"
Width="100" />
<TextBlock Text="{Binding Path=paymentId}"
Width="100" />
<TextBlock Text="{Binding Path=ticketId}"
Width="100" />
<TextBlock Text="{Binding Path=ticketQuantity}"
Width="100" />
</StackPanel>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
And I would like to only show rows from the itemssource that have a certain userId, how can I do this?
Thanks.

I think the best solution to this would be to filter the data source BEFORE you get to the front end.

You want to define a filter for your listview.
Uodate: sorry missed the silverlight tag. However CollectionViewSource should still be useful to you. Here a sample using the CollectionViewSource in Silverlight.

Data binding in pivot TitleTemplate for Windows Phone

I must be missing something simple here...I am writing a Windows Phone 7 app and I have customized my pivot header to be the following:
<controls:Pivot Name="InfoPivot">
<controls:Pivot.TitleTemplate>
<DataTemplate>
<StackPanel Orientation="Horizontal" Margin="0,0,0,0" VerticalAlignment="Top">
<Rectangle Fill="{Binding CategoryFill}" Height="50" Width="50" Margin="355,25,0,0" HorizontalAlignment="Left" VerticalAlignment="Top" Name="CategoryRect" />
<StackPanel Margin="-425,-14,0,0" Width="432">
<TextBlock x:Name="StationTitle" Text="{Binding StationTitle}" Margin="10,0,0,0" Style="{StaticResource PhoneTextTitle1Style}"/>
<TextBlock Name="LocationTitle" Text="{Binding LocationTitle}" TextWrapping="Wrap" Margin="12,0,0,20" Style="{StaticResource PhoneTextNormalStyle}"/>
</StackPanel>
</StackPanel>
</DataTemplate>
</controls:Pivot.TitleTemplate>
When I navigate to this page, I pass Station and Location as parameters, and in the OnNavigatedTo() for this page I try to set the StationTitle and LocationTitle. Unfortunately, I end up getting:
Error 2 The name 'StationTitle' does not exist in the current context
How should/do we go about accessing members in the Pivot TitleTemplate? Any help will be appreciated! Thanks.

Stop using the title template and binding to acheive this. Try this instead:-
<controls:Pivot Name="InfoPivot">
<controls:Pivot.Title>
<StackPanel Orientation="Horizontal" Margin="0,0,0,0" VerticalAlignment="Top">
<Rectangle Fill="{Binding CategoryFill}" Height="50" Width="50" Margin="355,25,0,0" HorizontalAlignment="Left" VerticalAlignment="Top" Name="CategoryRect" />
<StackPanel Margin="-425,-14,0,0" Width="432">
<TextBlock x:Name="StationTitle" Margin="10,0,0,0" Style="{StaticResource PhoneTextTitle1Style}"/>
<TextBlock x:Name="LocationTitle" TextWrapping="Wrap" Margin="12,0,0,20" Style="{StaticResource PhoneTextNormalStyle}"/>
</StackPanel>
</StackPanel>
</controls:Pivot.Title>
Then in code-behind:-
if (NavigationContext.QueryString.TryGetValue("Station", out station))
{
StationTitle.Text = station;
}
if (NavigationContext.QueryString.TryGetValue("LocationTitle", out locationTitle))
{
LocationTitle.Text = locationTitle;
}

Without seeing all of your code, this may be as simple as making the Name declaration consistent on your two TextBlocks.
Note, one is Name="", the other is x:Name="".

Defining the template inline worked for me, The TitleTemplate just wouldn't work.
<phone:Pivot>
<phone:Pivot.Title>
<TextBlock Margin="0"
Text="{Binding Exercise.Name}"
Style="{StaticResource MainTitleStyle}"/>
</phone:Pivot.Title>
</phone:Pivot>