Questions tagged [inotifypropertychanged]
INotifyPropertyChanged is an interface defined in Microsoft .NET used to notify listeners of data changes made to an object. These notifications enable data-bound UI controls to update their display automatically whenever the data properties they are bound to have changed.
inotifypropertychanged
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NET MAUI: Updating properties and enabling commands that depend on observable object fields
As we know, RelayCommand and getter-only properties need to be notified when their dependencies change. That is usually done with NotifyCanExecuteChangedForAttribute and ...
- 338
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1
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WPF DataContext PropertyChanged is Null
I have two WPF components, one is containing a list of the other one.
I set the DataContext in the parent WPF component, so I can define a property.
Unfortunately, the PropertyChanged of my model is ...
- 9,118
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accessing dependency property between viewmodels
I have 2 viewmodels say,
viewmodel is bound to view
class A : INotifyPropertyChanged
{
public A(){}
private bool _propertya;
public bool PropertyA
{
get{return _propertya;}
set{_propertya=value; ...
- 89
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C# WPF dependent value is not updating
I'm working on a C# .NET 6.0 project with WPF, and I have the following scenario:
I have two textboxes in my WPF application:
<StackPanel>
<Label>Fee Percentage:</Label>
<...
- 15
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EF Core ObservableColection CollectionChanged via HasConversion
I want to notify parent ReportModel when Technicians CollectionChanged. It works when creationg new ReportModel, but when I'm starting editing ReportModel from DB, ObservableCollection is created via ...
- 103
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C definition class
`I need help with IPropertyChanged, how to do it so it works.
`C# how to create object class using IPropertyChanged ?
I tried to do it inside of my class, but its not working, I need to somehow change ...
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votes
1
answer
45
views
CheckBox in DataGrid does not trigger property change in the binding source
I have a DataGrid that displays a list of items
there is a check box in each row that should change a Boolean field from the corresponding data class
I expect the field value to change and the ...
- 368
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25
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DataGridView Binding does not refresh when updating list in bound object
I am building a wizard to review shop drawings before they get issued to the shop. I have created a custom class for this and each IssueItem has lists for found files, notes, and a bill of materials. ...
- 47
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1
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66
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Assigning an object to another doesn't raise PropertyChanged event in WPF
I have tried to isolate my problem in a very simple (and working) project. Let's say I have a simple model with 2 fields, and I have configured its properties and a PropertyChanged event. This is a ...
- 399
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1
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How to resolve this loop call caused by property changed in qml, can I stop binding somewhere?
import QtQuick 2.15
import QtQuick.Window 2.15
import QtQuick.Controls 2.15
Window {
width: 640
height: 480
visible: true
title: qsTr("Hello World")
property int anum: ...
- 3
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WPF property declared in C# code instead of XAML
For some particular reason I have declared a binding in C# code instead of declaring it in XAML as usual. The problem I am facing is that when I change only one property of the object, the ...
- 1,770
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94
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Winforms datagridview - variable number of columns - INotifyPropertyChanged
Let's say I have two classes:
public class Hour : INotifyPropertyChanged
{
public int Value
{
// ...
}
// INotifyPropertyChanged implementation
}
public class Day
{
...
- 13
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1
answer
110
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Update UI from side Thread with 8.2.2 MVVM CommunityToolkit
The UI does not update afterward when I modify a variable. The function who update the variable is triggered by an event which is triggered in another thread.
I tried to get back into the main thread ...
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1
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When Using Fody Property Changed and properties changed, Why it does not work?
I have a MVVM Prism Project with DBFirst and Entity Calsses. In View, I used My propertis of model (Class Entities) directly, and because I need to notify every other plcae in project that those ...
- 3
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Oracle Form Hanging Issue
Form got hanged after Forms_ddl('commit') code, and i am closing the whole application and opening again for the operation.
How we can resolve this issue.
This issue is happening occasionally.
There ...
