Questions tagged [itemssource]
374 questions
0
votes
0 answers
How to populate WPF Datagrid with Linq to SQL
Hi so i'm using linq to sql through table mapping. Which works.
But as I'm new to C# as well as WPF I seem to be incapable of finding a way to populate a datagrid with IQueryable. My Query looks like this.
var STL = new…

WouldBeNerd
- 629
- 11
- 29
0
votes
1 answer
Binding to a new IENumerable declared in XAML NOT CodeBehind
The XAML below is incorrect, but it represents what I'm trying to do. I'm fairly new to WPF, but I want to know if something like this doable without instead declaring the instance in the code behind?

Interminable
- 1,338
- 3
- 21
- 52
0
votes
0 answers
ComboBox or Mahapps dropdownbutton doesn't update when once opened
I've create a dummy WPF application with a dropdownbutton from Mahapps (called ddbTest) and a button (called btnAddExtra)
Update: The same issue occurs when using a combobox instead of a dropdownbutton.
This is the code behind:
public List…

Gert Hermans
- 769
- 1
- 9
- 30
0
votes
1 answer
DependencyProperty Setter called After OnItemsSourceChanged
I need to access some Data when my ItemsSource changes so that I can correctly generate columns and bind in my DataGrid. To do this I need to bind different templates and choose them (Unfortunately CellTemplateSelector doesn't really work for me in…

Asheh
- 1,547
- 16
- 25
0
votes
0 answers
Why is binding this DataGrid's ItemsSource to collection of anonymous types not working?
I have a collection of anonymous types that I wish to bind to the ItemsSource property of a DataGrid. I confirmed the collection has items, but my DataGrid is empty.
I created a Debug converter and it does not hit my breakpoint in there so it…

Ashley Grenon
- 9,305
- 4
- 41
- 54
0
votes
1 answer
Why an exception when I add a DataGridCell style?
The following xaml gives the exception: "Items collection must be empty before using ItemsSource."
In code behind we have simply:
public MainWindow()
{
InitializeComponent();
DataContext = Customers;
Customers.Add(new Customer {…

Gerard
- 13,023
- 14
- 72
- 125
0
votes
1 answer
Dynamic MenuItems with ItemsSource in xaml?
I'm crap atn english, so sorry..
I'm trying to create dynamic menu items that display something based on a collection (a list of object), here is my xaml, you can see the "ListBox" and the "MenuItem".
As I said, I'm binding the header to the "name"…

user4291973
- 55
- 2
- 8
0
votes
2 answers
Xaml Set SelecteIndex on itemSource updated on combobox
I want every time my itemssource of my combobox is changed, that the SelectedIndex is set.
I have this so far:
It sets the…

Patrick
- 621
- 2
- 7
- 21
0
votes
1 answer
How to get Items from ItemsSource?
I am using a custom control that has an ItemsSource. I have bound the ItemsSource to a CollectionViewSource in XAML. That CollectionViewSource is bound to a List.
Now I want to get all the Items from the ItemsSource but that control doesn't have a…

Emir Ahmetović
- 63
- 7
0
votes
1 answer
Unselect WPF DataGrid when ItemsSource changed
I have the following DataGrid in WPF :

Lucifer
- 2,317
- 9
- 43
- 67
0
votes
1 answer
How to store an ItemsSource for an ItemsControl (ListBox, ComboBox) in the app.config?
After much research and trial and error I found how to store the items for a ListBox and ComboBox in the app.Config. I am heavily indebted to Jon Rista, who wrote a series of articles about the Net 2.0 Configuration classes. I constructed a (large!)…

Dabblernl
- 15,831
- 18
- 96
- 148
0
votes
2 answers
DataGrid don't update after changing the ItemsSource
I have a data grid which I binded to a ObservableCollection object.
On an event, I clear the ObservableCollection and add new items to it.
When finished, I try to update the DataGrid, but it still shows the old rows.
What am I doing wrong?
This is…

Smadar
- 31
- 1
- 4
0
votes
2 answers
Stack Overflow while binding DataGrid WPF
I am trying to bind a ObservableCollection to DataGrid.
CODE
private void LoadData_Loaded(object sender, RoutedEventArgs e)
{
ObservableCollection LoadDataSet = new ObservableCollection();
var items = new…

user3777884
- 3
- 1
0
votes
1 answer
WinPhone C# Send Id to a window with selector.SelectedItem
Hi i gave a list (named source) of objects (dog(Id, Name)) to my selector:
selector.ItemsSource = source.Select(obj => obj.Name).ToList();
This code works and show dog names. Now i want to send Id of selected dog to the next windows which show my…

user3627729
- 19
- 5
0
votes
1 answer
Display C#-array in XAML DataGrid
it should be simple, but I do not find the answer.
I have any datadrid
and in code-behind…

user3367867
- 565
- 1
- 7
- 19