ComboBox SelectedItem binding not updating

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I'm a bit puzzled: this works:

<StackPanel Orientation="Horizontal" HorizontalAlignment="Right">
            <Label Content="Rol" />
            <ComboBox ItemTemplate="{StaticResource listRollen}"
                      Height="23" Width="150"
                      SelectedItem="{Binding Path=SelectedRol, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}"
                      ItemsSource="{Binding Path=allRollen, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
        </StackPanel>

and the property for SelectedRol is:

public TblRollen SelectedRol
    {
        get { return _selectedRol; }
        set
        {
            if (_selectedRol != value)
            {
                _selectedRol = value;
                OnPropertyChanged("SelectedRol");
            }
        }
    }

But this doesn't work:

<StackPanel Orientation="Horizontal" HorizontalAlignment="Right">
            <Label Content="Soort" />
            <ComboBox ItemTemplate="{StaticResource listSoorten}"
                      Height="23" Width="150"
                      ItemsSource="{Binding Path=allSoorten}"
                      SelectedItem="{Binding Path=SelectedProduct, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"/>
        </StackPanel>

with following property SelectedProduct:

public TblProduktSoorten SelectedProduct
    {
        get { return _selectedPSoort; }
        set
        {
            if (_selectedPSoort != value)
            {
                _selectedPSoort = value;
                OnPropertyChanged("SelectedProduct");
            }
        }
    }

somewhere in my code I set SelectedProduct = p.TblProduktSoorten and while debugging, I see the property gets set correctly...


Combobox inside a DataGrid?

If the combobox is in a DataGrid you must add this :

Mode=TwoWay, UpdateSourceTrigger=PropertyChanged

See this : https://stackoverflow.com/a/5669426/16940

ComboBox's SelectedItem not Displaying, of posts on StackOverflow about WPF ComboBoxes not displaying the SelectedItem correctly. ComboBox ItemsSource = "{Binding MyList}". End Update. I have an application using in WPF using MVVM with a ComboBox. Below is the ViewModel Example. The issue I'm having is when we leave our page and migrate back the ComboBox is not selecting the current Value that is selected. View Model


This might be related to the fact that apparently attribute order does matter, in your second case the ItemsSource and SelectedItem declarations are swapped.

Setting SelectedValue does't Update Combobox - MSDN, Setting SelectedValue is not updating ComboBox. Here is Code: XAML: < ComboBox Name="cmbValue" ItemsSource="{Binding EnumEntries = new ObservableCollection<DictionaryEntry>(list); //SelectedItem� Join a community of over 2.6m developers to have your questions answered on Cannot get the UI to update when setting SelectedItem from code of UI for Silverlight ComboBox.


Try to use not selected item but value path look at the code sample

<ComboBox Name="projectcomboBox" ItemsSource="{Binding Path=Projects}" IsSynchronizedWithCurrentItem="True" DisplayMemberPath="FullName"
          SelectedValuePath="Name"  SelectedIndex="0"  Grid.Row="1" Visibility="Visible" Canvas.Left="10" Canvas.Top="24" Margin="11,6,13,10">
</ComboBox>

the binding property is

public ObservableCollection<Project> Projects
{
    get { return projects; }
    set
    {
        projects = value;
        RaisePropertyChanged("Projects");
    }
}

Cannot get the UI to update when setting SelectedItem from code in , UI to update when setting SelectedItem from code of UI for Silverlight ComboBox. No matter what I do, I cannot get the UI to change when I set the SelectedItem = "{Binding ComplexionSelectedItem, Mode=TwoWay}". In this case, the selecteditem bind doesn't work, because the hash id of the objects are different. One possible solution is: Based on the selected item id, recover the object on the itemsource collection and set the selected item property to with it.


I don't know if you fixed it yet, but I encountered the same issue today. It was fixed by making sure the collection for selecteditems was an ObservableCollection.

Wpf combobox text changed does not change selectedvalue , After changes the value in combobox then check the value for "Companies. CurrentItem" SelectedValue = "{Binding SelectedItem.CompanyId� Now, for binding the combo box in WPF MVVM, I will explain two methods -- one is using simple binding and another is using item template. First, we take simple binding, so create one WPF Application and put the combo box in it. XAML Code


If you set the SelectedProduct property when SelectedProduct is changed in the property changed event handler, you need to set this property asynchronously.

private void ViewModel_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
    if (e.PropertyName == "SelectedProduct")
        App.Current.Dispatcher.InvokeAsync(() => SelectedProduct = somevalue);
}

[Solved] WPF combobox selecteditem problem, myComboBox.SelectedItem = e.MyClass; //looks right when debugging, but doest work in Ui side . . } its odd that combobox cannot handle� ComboBox SelectedItem binding not updating. Ask Question Asked 9 years, 1 month ago. Active 6 months ago. Viewed 23k times 6. 1. I'm a bit puzzled: this works:


Combobox Not Updating Despite SelectedItem and ItemsSource , Combobox Not Updating Despite SelectedItem and ItemsSource Bindings xxxxxxxxxx. <ComboBox SelectedItem="{Binding SelectedTheme, Mode= TwoWay}" Simply said - it doesn't work. When we change the value on one combobox the second is not updated. The funny thing is - if we are binding to the commented property in the view model everything actually works great and whichever combobox we change the other gets updated. I would really appriciate any hints here


hardcodet.net � ComboBox SelectedItem and ItemsSource: Order , Or maybe not – the reason behind this is not entirely clear to me. <ComboBox x :Name="cboParentUser" SelectedItem="{Binding Path=Order. in the ItemSource (not is in fact) and so the selected item is updated also. Yes� When you set the SelectedItem property to an object, the ComboBox attempts to make that object the currently selected one in the list. If the object is found in the list, it is displayed in the edit portion of the ComboBox and the SelectedIndex property is set to the corresponding index.


ComboBox SelectedItem WPF MVVM, Using the ComboBox SelectedItem property in WPF / MVVM. The intention is to get a ComboBox control's SelectedItem property to bind to an instance of a Update the MainWindow.xaml to create the window containing the IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF�