Questions tagged [itemsource]
134 questions
0
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1 answer
Xamarin set ItemSources to a List in a different dll
I have a project for Xamarin. I have my logic in a GameBrain.dll (a normal C# dll I share with a WPF project) and in there I have a public static List Puzzles
Then I have the Xamarin forms project where I have my view that looks like…
javirs
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Prevent duplicates in datagrid when databound
after some testing I came with this way to handle my datagrid. dgVariedad_CellEditEnding use the function nombreVariedadDisponible(txtBoxTemporal.Text) to check if the new value already exist in List variedades and it works. The problem is…
hivegu
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- 1
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Pure XAML for Menu with ObservableCollection?
This is my ViewModel:
public ObservableCollection Persons;
class Person
{
public string FirstName { get; set; }
public string LastName { get; set; }
public DateTime DateOfBirth { get; set; }
}
And i want to create menu with all…
falukky
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1 answer
Silverlight, getting ItemSource data from data template programmatically
I've got an ItemsControl with an ItemsSource of Hours.
I represent each item by a border (in the data template).
Now, each of those border has an hour data, and i want to retrieve that in code behind.
is it even possible?
my code…
Notter
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- 16
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1 answer
NavigationViewMenu not considering its MenuItemsSource
Sample : link
I'm developing an application that allows people to save notes, and create categories in which you can store your notes.
Categories are listed in a List, and an ObservableCollection, because I had a problem, trying to serialize a List…
christophechichmanian
- 99
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- 11
0
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1 answer
How to update a listview from viewmodel binded model observable collection to itemsource
I have a list view, which further contains textbox in datatemplate having columns Name, Address, Country.
Now this listview's Itemsource is binded to observable collection of a model in my viewmodel class.
I am updating the ObjModel (of…
testCoder coder
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- 6
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1 answer
Disable selection of specific item in DatagridComboBox
Background:
I have a Datagrid with some Measurements and this Measurements we can Approve and Block.
Now we have for this a new Type, like "Cancelled". But this Type is only needed by Server and for displaying it to Customer.
But the Customer should…
Osti
- 43
- 6
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1 answer
uwp gridview item source not even executing
I am using the new preview sdk 16190 of creators fall update as described in BUILD 2017.
I was binding a gridview in MVVM mode but it wasn't working so I simplified it to direct code behind to know the real problem and I even used a break point, it…
Muhammad Touseef
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How to update list view from another class in Xamarin forms?
I have created a list view in one class and called delete method from another class. Listview getting call but not updating list view if i call from another class. But its getting update when i call inside the same class. How to solve this issue?…
Jeni
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Parameterized Query OR Control
I want to be able to use a QueryString parameter with a control parameter in an OR Clause on the ASPX page.
The below works for QueryString Parameter
Select * From Data1
WHERE ([Customer Name] = @C)
AND ([Order Number] = @O)
AND ('AD\' +…
Charles Phillips
- 29
- 5
0
votes
1 answer
TreeViewItem.ItemContainerGenerator return null after change ItemsSource
In TreeViewItem_OnExpanded event I have below codes.
var expandedTreeViewItem = e.OriginalSource as TreeViewItem;
var child = expandedTreeViewItem.ItemContainerGenerator.ContainerFromItem(item) as TreeViewItem;
expandedTreeViewItem.ItemsSource = //…
Parham.D
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2 answers
How to update source of WPF ListView?
I have a WPF ListView to wich I bind my collection. Properties of the objects in this collection are changed in a background thread. I need to update ListView when properties are changed. SourceUpdated event is not fired when I change some object's…
brain_pusher
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2 answers
Why DisplayMemeberPath doesn't accept a standard property?
I am binding a List of object to a ComboBox.
myFriends = new List()
{
new Person("Jack", "Daniels", 8),
new Person("Milla",…
Vitalij
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1 answer
WPF: Dynamically created line does not appear at defined position
I have a class that records the startpoint and endpoint of a line. The elements of this class are added to an Observable Collection, which serves as the ItemsSource of my ItemsControl.
Here is the relevant part of the XAML:
oneManArmin
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How update a list in a foreach
I have a foreach of a List and i want to Update the list or (i don´t know wich is better) create a new one with the new values. How to do this ?
My code is bigger than this because i am decrypting, but if help me with this simple, will fix the…
Mcfer
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