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Binding problem/conflicts with equal names in JSONModel


i got a JSONModel (named as "MyModel") with data like this:

     "id": 1,
     "title": "Entry title",
     "subData": [
               "id": 123,
               "title": "Title of my first sub data"
               "id": 456,
               "title": "Title of my second sub data"

I set the model to my component and now I want to display the data of my model in my XML view including the data under "subData" like this:

<ObjectAttribute text="{MyModel/title}" title="Title"/>
<VBox xmlns="sap.m" items="{MyModel>/subData}">
     <Button text="{MyModel>title}"></Button>

For the button data binding I use {MyModel>title} as of I read this in an article I found and no other combination I tried worked.

But as you would expect it always displays "Entry title" as of the same attribute exists already in my model.

If I rename the title attribute of "subData" like for example "subTitle" the correct content is displayed.

But I think this can't be the solution ....

So any idea / advice how to set the binding correctly?

Thank you and kind regards,


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2 Answers

  • Best Answer
    Oct 20, 2015 at 05:59 PM

    You're binding path is correct and there is no way for a conflict. You should be getting button text as "Entry Title" only if the binding path is "{MyModel>/title}" (Absolute path). I guess you're xml view could have been cached when you were trying diff combinations. Just confirm with the source of the xml view from the Network response. 

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    • Former Member Sakthivel Elango

      I thought about "MyModel>title" is like a "temporary" variable in which the loop sets the data of "MyModel>/subData/0/title" and "MyModel>/subData/1/title".

      But that's not correct. Maybe that's the thinking when coming from ABAP 😀

      But after reading a bit more (thanks for the document!!) and thinking about it, it makes more sense if you ignore the (a bit confusing) "MyModel>" for a moment. Then its clear that the binding loops over the "/subData" array and sets the current element as binding. And then what's left are the attributes of the current object like "title" (without the "/") because "/" is for absolute binding.

      Following lines of the document made this clear:

      So now it's clear for me! 😊

      Thank you and kind regards,


      Unbenannt.jpg (133.7 kB)
  • Oct 20, 2015 at 04:44 PM

    Hi Dominik,

    Not sure, whether this is what you are expecting? JS Bin - Collaborative JavaScript Debugging


    Sai Vellanki.

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