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• Silverlight 4 ComboBox - Binding to Nullable data (tried TargetNullValue but not working as expected)

  - by Laurence

  (Please note - I am a Silverlight beginner and am looking for the simplest solution here, e.g. that doesn't involve writing/installing a replacement for the ComboBox control!) This is an issue with a Silverlight 4 application that uses the View Model (MVVM) approach. I have a simple form for editing a "Product" object. Product has a CategoryID…

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• Silverlight Image Data Binding

  - by Alexander

  I am new to Silverlight, and have an issue with binding. I have a class ItemsManager, that has inside its scope another class Item. class ItemsManager { ... class Item : INotifyPropertyChanged { ... private BitmapImage bitmapSource; public BitmapImage BitmapSource { get { return bitmapSource; } set { bitmapSource =…

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• WPF Binding Path=/ not working?

  - by Mark

  I've set up my DataContext like this: <Window.DataContext> <c:DownloadManager /> </Window.DataContext> Where DownloadManager is Enumerable<DownloadItem>. Then I set my DataGrid like this: <DataGrid Name="dataGrid1" ItemsSource="{Binding Path=/}" ... So that it should list all the DownloadItems, right? So…

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• WPF binding comboboxes to parent- child model

  - by PaulB

  I've got a model with a few tiers in it - something along the lines of ... Company Employees Phone numbers So I've got a ListBox showing all the companys in the model. Each ListBoxItem then contains two comboboxes ... one for employees, one for phone numbers. I can successfully get the employee combo to bind correctly and show the…

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• wcf - maximum array length quota

  - by dav.evans

  Im writing a small wcf/wpf app to resize images but wcf is giving me grief when I try to send an image of size 28K to my service from the client. The service works fine when I send it smaller images. I immediately assumed that this was a configuration issue and I've trawled the web looking at posts regarding the MaxArrayLength property…

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• WPF - simple relative path - FindAncestor

  - by user309392

  In the XAML below the ToolTip correctly binds to RelativeSource Self. However, I can't for the life of me work out how to get the TextBlock in the commented block to refer to SelectedItem.Description <Controls:RadComboBoxWithCommand x:Name="cmbPacking" Grid.Row="2" …

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• DataTrigger to make WPF Button inactive until TextBox has value

  - by JohnB

  I want the Button control's property to be IsEnabled="False" until a value is entered into a TextBox in the Window. Code so far: <Button Content="Click Me" Name="ClickMe" VerticalAlignment="Top" Click="ClickMe_Click"> <Button.Style> <Style> <Style.Triggers> <DataTrigger …

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• The remote server returned an unexpected response: (413) Request Entity Too Large

  - by user1583591

  If anyone can help me figure out why I am getting the following error when making a call to my WCF service I would be eternally grateful. The maximum message size quota for incoming messages (65536) has been exceeded. To increase the quota, use the MaxReceivedMessageSize property on the appropriate binding element. I have…

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• WPF - How to bind a DataGridTemplateColumn

  - by Andy T

  Hi, I am trying to get the name of the property associated with a particular DataGridColumn, so that I can then do some stuff based on that. This function is called when the user clicks context menu item on the column's header... This is fine for the out-of-the-box ready-rolled column types like DataGridTextColumn, since they…

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• Databinding between 2 Dependency Properties

  - by stefan.at.wpf

  Hello, I'm trying to do databinding between 2 Dependency Properties. I guess this should be quite easy, anyways I just don't get it. I already googled but I couldn't really find out what I'm doing wrong. I'm trying to bind the ControlPointProperty to the QuadraticBezierSegment.Point1Property, however it doesn't work. Thanks for…

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• WPF 4 Datagrid with ComboBox

  - by Doug

  I have a WPF 4 app with a ComboBox embedded in a DataGrid. The ComboBox is in a template column that displays the combobox when in edit mode but just a TextBlock otherwise. If I edit the cell and pick a new value from the combobox, when leaving the cell, the TextBlock in view mode does not reflect the new value. Ultimately,…

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• Silverlight: Use reflection to get the BindingExpression (and value) for controls having a ContentPr

  - by sfx

  Hello, I need to use reflection to get the binding value in a control that is a DataGridTemplateColumn (e.g HyperLinkButton). Does anyone know how I might do this? It seems simple enough to do this with a TextBlock because it has a “TextProperty” dependency property, but I can’t seem to get a binding expression from a control…

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• WPF/XAML - compare the "SelectedIndex" of two comboboxes (DataTrigger?)

  - by Luaca

  hello, i've got two comboboxes with the same content. the user should not be allowed to choose the same item twice. therefore the comboboxes' contents (= selectedindex?) should never be equal. my first attempt was to comapare the selectedindex with a datatrigger to show/hide a button: <DataTrigger Binding="{Binding…

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• symfony 1.4 embedForm not returning all embedded forms

  - by Patrick

  I have a form with multiple embedded forms and symfony is not binding all the embedded forms. The layout is a m-to-m layout: activity: id: link: id: activity_id: FOREIGN KEY to activity table other_data_id: FOREIGN KEY to other_data table other_data: id: For instance I have 7 identical embedded forms…

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• WPF Combobox textbox not updating when binding changes.

  - by WillH

  I have a WPF CombBox as follows: <ComboBox ItemsSource="{Binding Source={StaticResource myList}}" SelectedItem="{Binding Path=mySelectedItem}" /> The problem I have is that when the bound value changes, the selected value in the combobox's textbox does not update. (Note - the values in the combobox…

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• Updating a progress bar while wpf data binding is taking place (in c#)

  - by evan

  I bind a large dataset to a WPF list box which can take a long time (more than ten seconds). While the the data is being bound I'd like to display a circular progress bar I can't get the progress bar to show while the data binding is occurring, even though I am trying to do the binding in a backgroundworker. I…

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• Binding a dependency property to another dependency property

  - by Rire1979

  Take this scenario where I am working with a grid like control: <RadGrid DataContext={Binding someDataContextObject, Mode=OneWay}> <RadGrid.columns> <RadGrid.Column Header="Column Header" DataMember="{Binding dataContextObjectProperty, Mode=OneWay}"> …

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• NSButton argument binding doesn't pass argument?

  - by Jeff

  I have a NSCollectionView with a NSButton in the collection view item. The xib's owner is set to my BatchListViewController and the controller has the method @interface BatchListViewController : NSViewController -(IBAction)another_click; @end I set the binding for target to be: This works fine but I also…

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• WPF USer Control viewmodel binding

  - by Senthilkumar

  HI Can any one suggest me how bind viewmodel to a usercontrol.. Also please share different way of doing that.. I have added viewmodel and view into my xaml file in namespace and in the user control resource tag.. i have defined a data template with data type as the viewmodel wh i have wrote.. inside that…

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• Silverlight: Binding to static value

  - by queen3

  I need TextBlock.Text to be retrieved from translation manager, something like <TextBlock Text="{Binding TranslateManager.Translate('word')}" /> I don't want to set DataSource for all text blocks. The only way I found how to do this is to bind to "static" class and use converter: <TextBlock…

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• Beginner question: What is binding?

  - by JDelage

  Hi, I was trying to understand the difference between early and late binding, and in the process realized that the concept of binding is nebulous to me. I think I understand that it relates to the way data-as-a-word-of-memory is linked to type-as-a-set-of-language-features but I am not sure those are…

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• How to let users edit list<T> content?

  - by iTayb

  I'm making an aspx page that can edit books. A book is an complex class with lots of properties. I've made an edit page for most of them, however I'm having trouble with showing edit options for my Sellers Proprety. It is an list<Seller> object. Seller is as follows: public class Seller { …

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• VWD Express won't let me add one table!

  - by user530809

  Sorry if this question is too trivial but I really haven't found any related questions and I am shaking too much to think logically. I spent like few hours waiting for SQL Server to finally install (you know, it's Microsoft) and now when I want to add new table to database it says "this feature is not…

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• asp.net mvc custom model binding in an update entity scenario

  - by mctayl

  Hi I have a question about model binding. Imagine you have an existing database entity displayed in a form and you'd like to edit some details, some properties eg createddate etc are not bound to the form, during model binding, these properties are not assigned to the model as they are not on the http…

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• How to let an average user design a boolean expression graphically

  - by Svein Bringsli

  In our application there's a list of customers, and a list of keywords (among other things). Each customer can have a number of keywords, but it's not mandatory. So for instance, one customer can have the keywords "retail" and "chain", one can have only "contractor" and a third can have none at all. …

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