Can we concat two properties in data binding?

Question

Can we concat two properties together in binding expression? If possible without converter or without writing two textblocks and setting them individually?

Take a look here http://stackoverflow.com/questions/541896/concatenate-strings-instead-of-using-a-stack-of-textblocks — NoWar, Dec 08 '14 at 11:48

score 117 · Answer 1 · edited Dec 24 '22 at 21:46

117

If you want to show, say FirstName and LastName, in a single TextBlock, then you can do like this:

<TextBlock>
     <Run Text="{Binding FirstName}" />
     <Run Text="   " /> <!-- space -->
     <Run Text="{Binding LastName}" />
</TextBlock>

Now, the TextBlock's Text property will be "Sachin Tendulkar" and will be displayed if:

FirstName = Sachin
LastName  = Tendulkar

edited Dec 24 '22 at 21:46

starball

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answered Dec 01 '10 at 18:42

Nawaz

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You forgot the / before the > in each Run statement. Otherwise, helped me a lot! – swinefeaster Dec 31 '11 at 23:41
1

Genius is simplicity! – sunny moon Oct 21 '16 at 21:02
Link to documentation: [Run class - UWP reference](https://learn.microsoft.com/en-us/uwp/api/windows.ui.xaml.documents.run) – binaryfunt Feb 26 '18 at 19:53

score 31 · Answer 2 · answered Nov 25 '16 at 11:02

31

<TextBlock.Text>
   <MultiBinding StringFormat="{}{0} , {1}">
     <Binding Path="data1" />
     <Binding Path="data2" />
    </MultiBinding>
</TextBlock.Text>

data1 and data2 are string properties which are binded.

answered Nov 25 '16 at 11:02

Kiran k g

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This is a great solution, since it will work for more complex components like `DataGrid.TextColumn`. – Aleksandar Jun 10 '17 at 11:37

score 19 · Accepted Answer · answered Dec 01 '10 at 14:47

Like alpha-mouse suggests MultiBinding won't work out of the box, but this guy has thrown something together that might help:

http://www.olsonsoft.com/blogs/stefanolson/post/Improvements-to-Silverlight-Multi-binding-support.aspx

If that seems a bit rogue, then maybe try putting a combined value property on your object as a helper for the Binding mechanism, like:

public string FullName {
   get { return this.FirstName + " " + this.LastName; }
}

Using `` is a cleaner XAML-only solution (see the other answer below). — qJake, Jan 02 '13 at 06:29

score 7 · Answer 4 · answered Dec 01 '10 at 14:43

7

It is possible in WPF with the help of MultiBinding and StringFormat. But not in Silverlight unfortunately.

answered Dec 01 '10 at 14:43

alpha-mouse

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score 6 · Answer 5 · answered Oct 28 '15 at 07:39

6

If you need to add any string, then try it. Here I add "%" after binding text in windows phone.

<TextBlock Text="{Binding Path=clouds.all, StringFormat=\{0\}%}"/>

answered Oct 28 '15 at 07:39

reza.cse08

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score 4 · Answer 6 · edited Aug 15 '12 at 09:44

You can add a new property with a getter that performs the concatenation.

Say you have FirstName and LastName properties. You can then define a Name property as follows:

public string Name { get { return FirstName + " " + LastName; } }

This will work well, but you should be aware that you cannot do two-way binding for a read-only property. Also you may want to implement property changed notification for the concatenated property in the setters for the source properties.

Can we concat two properties in data binding?

6 Answers6

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