I have a ListView that I set it's ItemsSource to list all the Assignments (a table in my SQL Database, ORM is LINQ to SQL) like so: ltvAssignments.ItemsSource = _repo.ListAssignments(); (This bit of code is exactly after InitializeCompenent() is called) And for the heck of it, I added a sample: Assignment sample1 = new Assignment() ...
Hi, I have the following layout in WPF <grid> <row height=auto> <border> <listbox> <border? </row> <row height=*> <othercontent> </row> </grid> Using MVVM and have listbox itemsource bound. I am using a wrapPanel in the grid, and have scrolling disabled so the Grid row height will grow and shrink based on the list box contents. Thi...
Hi. I'm using a WPF Tabcontrol populated with a collection using Itemssource. <TabControl x:Name="_tabControl" ItemsSource="{Binding TabViewModelList}"> <TabControl.ItemContainerStyle> <Style TargetType="TabItem"> <Setter Property="Header" Value="{Binding TabCaption}"/> ...
In our application we have a very large set of data that acts as our data dictionary for ComboBox lists, etc. This data is staticly cached and keyed off of 2 variables, so I thought it wise to write a control that derived from ComboBox and exposed the 2 keys as DPs. When those 2 keys have proper values I set the ItemsSource of the Comb...
Hello, I've got an application, which uses many listBoxes with data attached to them using listBox.ItemsSource. The problem is it creates entries like [namespace].[class_name]. How can I create a template, which will replace entries with, eg. class "Name" field? I look forward to hear from you soon, MattheW ...
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. How can I add a large amount of ViewModels without making the UI Thread hang? I suppose ...
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!) code snippet that will generate all the code you need by just inserting three strings! En...
Hi all, I have a list of objects which i want to bind to a ListView control in my WPF application. The Objects have a DataTemplate already, so no need to define that. The list of objects is a property in the codebehind file in the format list<object> When i add one object programatically, it appears fine. But when i try to bind the ItemS...
Hi everyone, I want to do custom sorting on a ListView which has a DataTable as ItemsSource: myListView.ItemsSource = (data as DataTable); And this are the first lines of my sorting function: DataView view = (myListView.ItemsSource as DataTable).DefaultView; ListCollectionView coll = (ListCollectionView)CollectionViewSource.GetDefa...
I have a datagrid whose itemsSource is bound to a multiconverter which uses a converter. <toolkit:DataGrid AutoGenerateColumns="False"> <toolkit:DataGrid.ItemsSource> <MultiBinding Converter="{StaticResource ProfileConverter}"> <Binding ElementName="ComboBoxProfiles" Path="SelectedValue" /> ...
I would like to avoid having to build a menu manually in XAML or code, by binding to a list of ICommand-derived objects. However, I'm experiencing a bit of a problem where the resulting menu has two levels of menu-items (i.e. each MenuItem is contained in a MenuItem): My guess is that this is happening because WPF is automatically gen...
Hi all, I'm having some troubles trying to dynamically generate content in WPF and after it bind data. I have the following scenario: TabControl - Dynamically generated TabItems through DataTemplate - inside TabItems, I have dynamic content generated by DataTemplate that I wish to bind (ListBox). The code follows: ::TabControl <Ta...
I'm having a bit o' trouble... Here is my "mappings.xml" file... <?xml version="1.0" encoding="utf-8"?> <mappings> <mapping QID="info1"> <empty></empty> </mapping> <mapping QID="info2"> <empty></empty> </mapping> </mappings> My method that loads the XML and sets it as the ItemsSource for the listbox: (Note: I didn't ...
I have a ListBox with an Explicit binding set to SelectedValue. SelectedValue="{Binding Path=Property, UpdateSourceTrigger=Explicit}" the ItemSource of ListBox is an ObservableCollection. When I select an item of ListBox and press 'Enter' I update the property value in this way: BindingExpression be = listBox.GetBindingExpression(Li...
I am not quite grokking the difference between ItemsSource and DataContext. Can someone explain it and back it up with examples? When would I use one or the other. I am reading the docs and it says that I can bind using DataContext, but I throw an ObservableCollection at it and nothing shows up in the list. If I throw the same collec...
I am working with a 2 lists in a backend class. Each list is a different type. Would like to present the user with a single list (containing a union of both lists) of which when an item in this list is selected the item's details appear. The code will look something like: My backend class looks somethings like this public ObservableC...
Hi, 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 databound. So I have to remove it from the ItemsSource, which can be anything (ICollection,...
Hi, I cant seem to bind the datagridview's comboBoxColumn's ItemsSource Property the way I want. My Class hierachy used for this application is like this, I have a class called "PrescriptionViewModel" Inside it I have set the userControls (the view) data context to an object of "PrescriptionPresenter". Inside the "PrescriptionPresente...
I've always had long loading times with WPF DataGrids, and I cannot find any similar reports online, so I suspected that I was doing something wrong. Now I am sure of it, since adding layout complexity considerably slows down execution. In a very simple layout, the DataGrid populates instantaenously, whereas the code below takes around...
I don't know what I'm doing wrong here. I have a ListBox whose DataContext and ItemsSource are set, but there is nothing in the ListBox when I run my app. When debugging, the first line of my method for getting items for the ListBox never gets hit. Here's what I have: // Constructor in UserControl public TemplateList() { _templat...