Questions tagged [two-way-binding]
298 questions
3
votes
2 answers
How can Two-way Data Binding leads to infinite loops?
I'm learning Data Binding by reading up on the official docs. Everything makes sense expect the possible infinite loops in the two-way binding. As per the official docs on two-way binding:
Be careful not to introduce infinite loops when using…
![](../../users/profiles/4954322.webp)
Harry
- 923
- 8
- 24
3
votes
2 answers
How does React implement its two-way data binding?
I've seen examples showing how to implement two-way binding in React but none explain how this feature actually functions internally.
In this codepen example taken from React's website, if you comment out line 11:
handleChange(event) {
//…
![](../../users/profiles/273727.webp)
kazuoua
- 303
- 3
- 9
3
votes
1 answer
ngOnChanges Angular 2 doesn't assign different values
I've got public value cursorUrl and method which checks if url exists and if it exists it assigns urlCursor='pointer' if it doesn't exist it assigns urlCursor='text'.
The method seems to work fine, however it assigns every item to…
![](../../users/profiles/3624141.webp)
user122222
- 1,563
- 2
- 20
- 49
3
votes
1 answer
Little complex Databinding in windows form combobox
I am in trouble while working on Databinding in windows form. I have two classes, one is Project and another is Update. Now all project object is having a list of Updates and it is binded to a combobox, but when the user changes selection need to…
![](../../users/profiles/2624341.webp)
Manu Prasad
- 33
- 3
3
votes
1 answer
Android Java Two-Way-Binding on Radio Buttons checked
I have a question referring Radio Buttons when using two-way data binding in Android Java. How can I achieve to place the property
android:checked="@={patient.gender}"
on a Radio Button when there are two Radio Buttons and I need to change the…
![](../../users/profiles/9702315.webp)
baja
- 43
- 3
3
votes
3 answers
Cannot find the getter for attribute 'android:text' with value type java.lang.String on null
I just updated AndroidStudio to 3.0.1 from 2.3 version for one of my projects. AndroidStudio is now complaining about data binding issue when I try to build the project. I am using alpha release of gradle classpath…
![](../../users/profiles/2523932.webp)
lokesh
- 346
- 2
- 15
3
votes
1 answer
Android Data Binding two way binding with array
I want to achieve two-way binding on a array with Data Binding in Android.
This is a simplified version of the code I have:
![](../../users/profiles/2343247.webp)
Jelmer Brands
- 162
- 2
- 9
3
votes
2 answers
Angular 2 one way data binding on HTML like we do in angular 1 using ::
Is there any way in angular 2 so that we can achieve one-way data binding like we have done in angular 1.
![](../../users/profiles/2312605.webp)
Ashish Ratan
- 2,731
- 20
- 45
3
votes
1 answer
two-way binding on checkbox ngFor Angular2
I am creating an Angular2 project and having a problem with two-way binding for a checkbox.
I have a class called listItem and List like that:
export class ListItem {
public count: number;
public value: string;
public checked: boolean;
…
![](../../users/profiles/6827367.webp)
Samy Sammour
- 1,796
- 1
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- 55
3
votes
1 answer
TwoWay Binding ObservableCollection to DataGrid in WPF not working
I have this simple DataGrid in my application. Somewhere in the source I bind the ItemsSource property of it to an ObservableCollection. So the points are shown in the DataGrid. The problem is however I have set the TwoWay…
![](../../users/profiles/1468295.webp)
Hossein Narimani Rad
- 27,798
- 16
- 81
- 109
2
votes
1 answer
TwoWay binding on "linked" variables (Top/Left & Height/Width) with .NET 4.0
I have encounted a problem when switching to the .NET Framework 4.0.
I have a window that uses twoway binding on its Top/Left & Widht/Height properties.
A problem occurs when i need to change the viewModel.
After changing the underlying ViewModel,…
![](../../users/profiles/1214746.webp)
Jean-Loup Kahloun
- 23
- 4
2
votes
3 answers
Bind XAML elements to entities TwoWay
I want to bind an entity property (say Salary) to a property of a XAML element (like a TextBox.Text)
and use this binding to save Text of TextBox to salary field which is bound as a entity property to 'Text' of some TextBox.
Something like the…
![](../../users/profiles/514329.webp)
Mohsen
- 3,224
- 7
- 32
- 62
2
votes
1 answer
How to bind SWIFTUI Button action to viewmodel action or method
I am trying to bind swiftui button action and getting the error like Cannot convert value of type 'Binding<() -> ()>' to expected argument type '() -> Void'
In View
Button(action : $viewModel.action ) {
Text("Login")
…
![](../../users/profiles/1625526.webp)
Prathap
- 299
- 2
- 11
2
votes
0 answers
Kotlin two-way data binding bug when property contains `is_`
There appears to be a significant bug in the way the data binding compiler (or possibly kapt) works.
Two-way data binding fails miserably if the property being bound to is prefixed with is_, with perhaps the world's most useless gradle error…
![](../../users/profiles/680583.webp)
rmirabelle
- 4,729
- 3
- 36
- 36
2
votes
1 answer