binding

MVVM - ListBox SelectedItem Binding Property Going Null

So i have a listbox: <ListBox x:Name="listbox" HorizontalAlignment="Left" Margin="8,8,0,8" Width="272" BorderBrush="{x:Null}" Background="{x:Null}" Foreground="{x:Null}" ItemsSource="{Binding MenuItems}" ItemTemplate="{DynamicResource MenuItemsTemplate}" SelectionChanged="ListBox_SelectionChanged" SelectedItem="{Binding SelectedItem}"> ...

JavaFX - question regarding binding button's disabled state

I'm trying to create a dummy application that maintains a list of tasks. For now, all I'm trying to do is add to the list. I enter a task name in a text box, click on the add task button, and expect the list to be updated with the new item and the task name input to be cleared. I only want to be able to add tasks if the task name is not...

Change binding value, not binding itself

I've got a WPF UserControl containing a DependencyProperty (MyProperty). The DependencyProperty is bound to a Property in the DataContext. Now in the UserControl I want to change the value of the bound property. But if I assign MyProperty = NewValue the Binding is lost and replaced by NewValue. What I want to achieve is change the Dat...

Silverlight: Binding a custom control to an arbitrary object

I am planning on writing a hierarchical organizational control, similar to an org chart. Several org chart implementations are out there, but not quite fit what I have in mind. Binding fields in a DataTemplate to a custom object does not seem to work. I started with a generic, custom control, i.e. public class NodeBodyBlock : ContentC...

Custom CheckBox in WPF DataGrid does not update binding

In my Visual Studio 2010 WPF application, I have the following (simplified) style: <Style x:Key="MyStyle" TargetType="{x:Type CheckBox}"> <Setter Property="Background" Value="Blue" /> </Style> If I use it as the ElementStyle AND EditingElementStyle in my DataGridCheckBoxColumn: <DataGridCheckBoxColumn Binding="{Binding IsEnab...

wpf 4.0 datagrid template column two-way binding problem

Hello all! I'm using the datagrid from wpf 4.0. This has a TemplateColumn containing a checkbox. The IsChecked property of the checkbox is set via binding. The problem is that even if I specify the binding mode explicitly to be TwoWay, it works only in one direction. I have to mention that the same code works perfectly in .net 3.5 wi...

Bind event on another window.

I'm working on an image browser/upload feature, and I'm using PHP Image Editor to help me allow users to edit their images once they've been uploaded. Images are not stored on the web server, but on a separate file server. So what I do is: when an image is selected for editing from the image browser page, I download the image from t...

want to create a listbox with a textblock and a button itemtemplate

I want to create a listbox like the one shown in the image, i just dont know how will i get the button(the red close button) click event for each item in the listbox Can anyone point me to a good tutorial on this Thanks ...

Cannot update any cells in datagrid in vb6

Hello I'm trying to update a row in datagrid but the problem is that i can't even change its cell values I had set my datagrid AllowUpdate property to true , but i can't still change any cell values Option Explicit Dim conn As New ADODB.Connection Dim cmd As New ADODB.Command Dim recordset As New ADODB.recordset Public Action As String ...

Initialization of ComboBox in datagrid, Silverlight 4.0

I have datagrid with list of MyPlayer objects linked to ItemsSource, there are ComboBoxes inside of grid that are linked to a list of inner object, and binding works correctly: when I select one of the item then its value is pushed to data model and appropriately updated in other places, where it is used. The only problem: initial sele...

dropdownlist itemsource and selected value in wpf

hi all i have a dropdownlist that bind to a collection of all system colors(ObjectDataProvider).it shows colors name and background of each items is draw with colorName.it works fine . but know i have a listbox that bind to an collection(CollectionViewSource) that shows a list of element with a property name "backcolor" ,i want to selec...

Cocoa : Remove Item from NSArrayController

I have a NSArrayController bound to a NSTableView. With this I have the typical Add/Remove buttons. While Adding an item is very straight forward (I call a method, create an object with default values and add it) I have problems deleting objects from the controller. I know I can do this the easy way when connecting the button with the ...

HierarchicalDataTemplate Link By Parent

Hello colleagues. I want bind my treeview. There are a lot of samples binding treeview by object, which contains children collection. I've got domain having just Parent pointer. public class Service : BaseDomain { public virtual string Name { get; set; } public virtual string Description { get; set; } publi...

How do I customise date/time bindings using JAXWS and APT?

Im using JAXWS 2.1.7, using some classes to run through JAXWS's 'apt' to generate the WSDL. For dates, I use @XmlSchemaType(name="time") private Date wakeupTime; and this generates a schema with xs:time, but when this all comes out in XML, the value is something like <wakeupTime>1901-01-01T01:00:00 +10</wakeupTime> I want JUS...

Wpf datagrid row not updating when binded collection updated?

I have product class named-Products.cs class Products : INotifyPropertyChanged { private int productId = 0; private int quantity = 0; private string description = string.Empty; private decimal price = 0.0m; public event PropertyChangedEventHandler PropertyChanged; public Products() { } private void...

Problem Binding a ObservableCollection to a ListBox in WPF/MVVM

I'm working in some code , using wpf and starting to use mvvm. So far i have no problem, when i have one element and I have to show the values of it in the screen (binding of the specific name of the property). But now, i have to work with a property list , not knowing the names of it. So I created a class, named GClass, that only have t...

AdornedElement Properties in a Trigger

I have an Adorner in XAML that I'm using for ErrorValidation. Basically I have a grid that I want to display on two conditions (if the "AdornedElement" IsFocused or IsMouseOver). Below is a code snippet where I'm binding - successfully - to the IsFocused of the AdornedElement, but as you can tell that only solves 1/2 the conditions. N...

Binding between Usercontrol with listbox and parent control (MVVM)

I have a UserControl which contains a listbox and few buttons. <UserControl x:Class="ItemControls.ListBoxControl" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.o...

WCF help, how can I expose a service over http, that calls another service over net.tcp?

Hi All, I have a WCF .svc file hosted in IIS. I want to use basicHTTP binding. This services job is to actually call another service over net.tcp. Everything works fine locally, but when I deployed, I'm getting this error. The provided URI scheme 'http' is invalid; expected 'net.tcp'. Parameter name: via Here is the server conf...

WPF binding problem

I've got some bindings in UI: <Window x:Class="Tester.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="MainWindow" Height="377" Width="562" xmlns:my="clr-namespace:MyApp"> <Grid> <TextBlock Text="{Binding...