Questions tagged [itemssource]
374 questions
9
votes
3 answers
WPF: How do I hook into a ListView's ItemsSource CollectionChanged notification?
I have a ListView that is databound to an ObservableCollection ...
I can't seem to find any event that are triggered when the collection changes, so I'm thinking that somehow I need to hook…

michael
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9
votes
3 answers
Change ListBox.ItemsSource Binding property on Button.Click?
Quick question...
I have a ListBox with its ItemsSource property bound to a collection property in a viewmodel like so:
I also have two Button objects in the same…

Sheridan
- 68,826
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9
votes
3 answers
ListBox.ItemsSource binding in code and in xaml
I wrote simple code like
public ObservableCollection Names …
public Window1()
{
PutInDataIntoNames();
InitializeComponent();
this.listBox1.ItemsSource = Names;
}
and in xaml

Kirill Lykov
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9
votes
1 answer
Binding multiple ComboBoxes to the same ItemsSource causes problems
I have 2 ComboBoxes whose ItemsSource is bound to the same ObservableCollection:
public ObservableCollection MyTypeCollection { get; set; }
I have defined 2 different SelectedItem properties which in turn are bound to the correct…

DeMama
- 1,134
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8
votes
3 answers
How to get the current 'item' in an ItemsSource binding
I have a user control that has one dependency property. In my window I have a list of objects, and I am creating a uniform grid consisting of my user control. I am setting the ItemsSource to my list of objects, but I need to pass each respective…

Sherlock
- 5,557
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8
votes
1 answer
Unselect all items when the SelectedItem is bound to something that doesn't exist in the list
I have two lists with different ItemsSource but with SelectedItem bound to the same property - "Name".
First i'm choosing the item "c" in the right list so the item "c" in the left list is selected as well.
Than I selected another item in the right…

Erez
- 6,405
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7
votes
2 answers
WPF DataGrid ItemsSource Binding Issue
I have a DataGrid in a WPF application that binds itself to an ObservableCollection of objects, and everything works fine.
Now if I modify a cell in the datagrid during runtime, and delete the content, leave the cell empty. The…

Ling Xing
- 181
- 2
- 14
7
votes
2 answers
WPF: Setting ItemSource in XAML vs. code-behind
Since this is WPF, it may look like lots of code, but don't be frightened, the question is really simple!
I have the following XAML:

Deniz Dogan
- 25,711
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7
votes
3 answers
Set ItemsSource of a ComboBox to an Array of Integers?
Set ItemsSource of a ComboBox to an Array of Integers?

Shimmy Weitzhandler
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6
votes
1 answer
Custom collection crashes DataGrid on Edit
Im currently trying to bind the DataGrid.ItemsSource to a custom RowCollection, which implements IList and INotifyCollectionChanged:
Public Class RowCollection(of T)
Implements IList(Of T)
Implements INotifyCollectionChanged
Private _List As…

Federico Berasategui
- 43,562
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6
votes
2 answers
How to get cell level ComboBox for WPF DataGrid?
It looks WFP DataGridComboBoxColumn is using a single ItemsSource for all cells in this column. I have a case where the ComboBox items are dependent on the other cell in the same row. I managed to populate the ItemsSource in PreparingCellForEdit…

newman
- 6,841
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6
votes
4 answers
WPF - Best way to remove an item from the ItemsSource
I'm writing a custom ItemsControl (a tabbed document container), where each item (tab) can remove itself from the UI when the user closes it. However, I can't remove it directly from the ItemsControl.Items collection, because the items can be…

Thomas Levesque
- 286,951
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6
votes
2 answers
ItemsControl.ItemsSource MVVM performance
I have an (non-virtualized) ItemsControl that binds its ItemsSource to a ObeservableCollection of ViewModel instances. Now once the large amount Model instances is loaded all the ViewModel complemnents needs to be added to that ObservableCollection.…

bitbonk
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6
votes
2 answers
Display properties of the ListBox.ItemsSource
I am new to WPF. I have a ListBox that has its ItemSource set to a instance of WorkItemCollection. (A collection of WorkItem objects.)
When the list is displayed it only displays the type of each object…

Vaccano
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6
votes
2 answers
WPF DataGrid ItemsSource Issue
Please let it be known that I am relatively new to WPF. I am creating a new ObservableCollection with the type of my simple data class, and assigning that to the ItemsSource property of my DataGrid. Before I go into my problem here is the…

Logan B. Lehman
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