binding

问题 I'm trying to bind a WPF combobox to an observable collection of images. Here is my collection: public class AvatarPhoto { public int AvatarId { get; set; } public BitmapImage AvatarImage { get; set; } } public ObservableCollection<AvatarPhoto> AvailableProfilePictures { get; private set; } Here is my xaml: Visual Studio gives me this compile time error: Property 'ItemTemplate' does not support values of type 'Image'. Why is this error seen? Thanks Update: thanks for the answer! It solved the

问题 Made a simple test project where i try to bind to a xmldatasource in a proto viewmodel public partial class Window1 : Window { //private XmlDataProvider _provider = new XmlDataProvider(); private MyViewModel _myViewModel = new MyViewModel(); public Window1() { InitializeComponent(); this.DataContext = _myViewModel ; } } public class MyViewModel { public MyViewModel() { LoadXMLData(); } private XmlDataProvider _provider = new XmlDataProvider(); public XmlDataProvider Reports { get { return

问题 I am binding the github project ChatKit I do this xml <attr name="managedType" path="/api/package[@name='com.stfalcon.chatkit.messages']/class[@name='MessagesListAdapter']/method[@name='onBindViewHolder']/parameter[1]">Android.Support.V7.Widget.RecyclerView.ViewHolder</attr> <attr name="managedType" path="/api/package[@name='com.stfalcon.chatkit.messages']/class[@name='MessagesListAdapter']/method[@name='onBindViewHolder']/parameter[2]">int</attr> but vs still throw the error for me: 1>D:

问题 I have my view and viewmodel files. In my viewmodel, I have this simply code: private void Filter(string keyword) { Debug.Print("******START********"); string stringToSearch = keyword.ToLower(); ObservableCollection<TabImpianti> listBoxSource = new ObservableCollection<TabImpianti>(); foreach (TabImpianti ti in p_ListaImpianti) { if (ti.NOME.ToString().ToLower().Contains(stringToSearch)) listBoxSource.Add(ti); } p_ListaImpianti = listBoxSource; Debug.Print("******END********"); } In my xaml I

问题 I have a Day Strucuture Table , which has following Columns I want to display: DoW HoD Value 1 1 1 1 2 2 1 3 2 1 4 2 1 5 2 1 6 2 1 7 2 1 8 2 1 9 2 1 10 2 1 11 4 1 12 4 1 13 4 1 14 4 1 15 4 1 16 4 1 17 4 1 18 4 1 19 4 1 20 4 1 21 1 1 22 1 1 23 1 1 24 1 Dow is The Day of Week (Monday etc.), HoD is the Hour of Day and Value is the actual value. Now I want to Bind this Day Structure Entity Collection directly to a Control so any Changes can be bound TwoWay Like this Format: I think the best way

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 2 years ago . As an example, I have the following Python code: >>> x = 9.89 Now I know the type will be determined as float dynamically during runtime, but I am unsure how memory is allocated. Would memory for the size of a float be allocated dynamically after the type is determined? Is the

问题 Suppose I have the following form backing object for a Velocity 1.5 template: public class Bucket { String data1; String data2; String data3; String data4; // getters setters blah blah... } I'd like to bind these four String attributes to the following java.util.Map of Strings, inside four drop down single select controls: "a" : "1" "b" : "2" "c" : "3" "d" : "4" If inside my page's controller Model, I name the backing object "boData", and the value map "labelKeys", velocity can bind the

问题 I try to make a customized ListView which fills each list item with some stuff and an initial Checkbox if the concrete inheriting class wishes so. Currently no Checkbox is displayed so I guess my code of the ContentControl stuff is somehow erroneous. <UserControl x:Class="local:MyListView" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="some/path/here"> <ListView> <ListView.View> <GridView> <GridViewColumn>

问题 My problem is that I want to partially edit my model - to display 2 fields and to edit another 2 fields for example. When POST happens, returned model contains only the fields that are editable, other fields that I use only to display are NULL. How to fix this, on POST to be returned model with all fields, because on ERROR when I return this model and fields are NULL is not so good? 回答1: The model binder binds the form values only to model properties that have a setter. Depending on what you

问题 I've a created a simple scrollviewer (pnlDayScroller) and want to have a separate horizontal scrollbar (associated scroller) to do the horizontal scrolling. All works with the below code accept I need to bind the visibility of the associated scroller. I can't simply bind this to the visibility property of the horizontal template part of the scroll viewer as I've set this to be always hidden. The only way I can think to do this is to bind the visibility of the associated scroller to a function