Two-way data binding (bidirectional data binding) refers to two components acting as the source object for the destination properties of each other.
Questions tagged [2-way-object-databinding]
333 questions
5
votes
1 answer
How can I update a object value by retrieving variable names from string?
I have a JavaScript object which looks like this.
var myObj = [
{
"HOLIDAY": {
"Sun": "Date",
"Mon": "Date",
"Tue": "Date",
"Wed": "Date",
"Thr": "Date",
"Fri": "Date",
"Sat": "Date"
}
}
]
and…

dhunmoon
- 71
- 8
5
votes
3 answers
Trim method in databinding android
Is it possible trim() method is work on two ways data binding, when getting info from XML. If yes how?
android:text='@={contact.contactDetails.name}'

Lovekesh
- 125
- 11
5
votes
2 answers
How can I bind a Winform textbox to a class property?
I have read a number of questions on Stack Overflow and elsewhere that describe tying a textbox to a class but I cannot seem to even get the basics working without receiving an error from VS when compiling.
(1) What I want to accomplish is to…

Bill
- 582
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- 7
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5
votes
4 answers
Polymer inter-component data binding?
I have a login component, and I'd like to make the login status available for other components in my application.
Can anyone provide working code or examples?
I need some sort of binding or eventing at least, so that when the login status changes,…

Janos
- 1,987
- 3
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4
votes
1 answer
Data Binding EditText set null was replaced by set empty String
I have created a sample project which can reproduce this problem.
Expected Behaviour
I have an EditText. I have a TextView which shows the error about the input in this EditText. I also have a reset button which can reset the input inside…

Sira Lam
- 5,179
- 3
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- 68
4
votes
1 answer
How to get notified when property changes in Android databinding?
I would like to get notified when property changes in my variable.
In my Activity:
viewDataBinding = DataBindingUtil.setContentView(this, R.layout.list);
viewDataBinding.setViewFilter(viewFilter);
My model:
public class ViewFilter extends…

pixel
- 24,905
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- 251
4
votes
1 answer
Trying to implement data binding in a Dialog in Android
I am trying to implement data binding in my android application.
I have a Dialog as my login which sits over my main activity something like this
this is my main activity
public class MapsActivity extends FragmentActivity {
…

Shantanu Dharmavat
- 77
- 1
- 5
4
votes
2 answers
AngularJS controller $scope not working inside ng-if directive
I have a login form but for some reason the data is not being binded between the HTML and the controller. This is my code:
home.html
Welcome!
Some other welcome content...
4
votes
1 answer
Prevent sending data to model if field in invalid in Angular 2
I Have a template-driven form with two-way data binding and validator
How can I prevent sendind data from input do model if there are some validation errors? In my model I want to have only correct…

Jarosław Rewers
- 1,059
- 3
- 14
- 23
4
votes
1 answer
Android two-way databinding with radio button
I am trying to bind in two ways boolean value of my model to RadioButton.
However, the code doesn't compile. I have following error messages:
Error:(41, 21) error: variable receiveDataContainer is already defined
in method onChange()
Error:(45,…

Marcin Szałek
- 41
- 1
- 2
4
votes
2 answers
2-way databinding with ObservableField<>, set() doesn't work?
I have a parent class, lets call it BaseViewModel, this class can be typed and have an ObservableField of the same type. Like this :
public class BaseViewModel extends BaseObservable {
ObservableField value = new ObservableField<>();
…

MHogge
- 5,408
- 15
- 61
- 104
4
votes
1 answer
Is there any 2-way(bidirectional) map in Qt?
Is there any 2-way(bidirectional) map in Qt? Simple map that implements 1-to-1 correspondence.
Thanks

htzfun
- 1,231
- 10
- 41
4
votes
1 answer
Polymer 1.0 Binding to sub-properties of not initialized object
I'd like to do two-way data binding on not initialized object. It looks like this:
host-element.html
JS:
Polymer({
is: 'profile-editor',
properties:…

Pawel Uchida-Psztyc
- 3,735
- 2
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- 41
4
votes
1 answer
What's the difference between binding to [[var]] and {{var}} in Polymer 1.x?
I am familiar with bindings with curly braces, like {{variable}}, from Polymer 0.5.
However, in examples and code snippets for the release version of Polymer, I've begun to notice bindings with square brackets, such as [[variable]], as well.
Does…

Adaline Simonian
- 4,596
- 2
- 24
- 35
4
votes
2 answers
how to bind angularjs objects to their keys and values
I read through some articles on angular model binding, and just out of curiousity, I was wondering if its possible to bind keys to input too,
http://jsfiddle.net/x3azn/jM28y/4/
so I am hoping ot update the main arr through the input boxes and…

user2167582
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