binding

问题 I have a TextBox in my WPF window. I have a property in the code behind called Text as well. I want the text property to be bound to the Text property (i.e. when the value changes in the property the textbox value should also be updadated. Thanks 回答1: You have to set the DataContext of the TextBox control (or of any of its parents) to your window: myTextBox.DataContext = this; then in your XAML: <TextBox Text={Binding Text} x:Name="myTextBox"/> 来源： https://stackoverflow.com/questions/1734969

问题 I have binded a list with Editable WPF DataGrid I want to get only the modified Items from the WPF Data Grid for updation. Please let me know how to do this. 回答1: I have my WPF datagrid app set up as so: 1) Manually defined all the columns, set their bindings and for each binding specified that it notifies on source updates 2) Added an event handler for the datagrid's SourceUpdated event 3) In the event handler I have only the following code: this.updatedItems.Add(BindingOperations

问题 i'm trying to inject raw input html in component <input [(ngModel)]='person.firstName' /> i was following DomSanitizer guide on :In RC.1 some styles can't be added using binding syntax So far it injects html, but model binding breaks... this is my dummy.component.html: <div *ngFor="let comp of myinputs"> <div [innerHTML]="comp | safeHtml"></div> </div> and dummy.component.ts export class DummyForm { @Input() formName: string; myinputs: string[]; Inputs: DummyRenderClass[]; person = {

问题 I am trying to connect my UI5 Application to a OData-Service. For the binding i use databinding (The 'odataModel' is my OData-Service): <Text text="{odataModel>/UserSet('MyUsername')/UserName}"/> Now i want to replace the 'MyUsername' String within the XML, therefore i am using another model. So i tried the following: <Text text="{odataModel>/UserSet('${userModel>/user}')/UserName}"/> How do i fit a variable into my binding? Greetings 回答1: You need to do Element Binding, and set the context

问题 Everything in the code below works except for the binding on the ContextMenu. This is evidently due to the fact that the ContextMenu is located inside of a Style, which puts it in a different namescope from the rest of the xaml. I am looking for a solution where I won't have to instantiate a ContextMenu in the code-behind, since the application where I have to apply the solution contains a very large ContextMenu with a lot of bindings. There must be a way to accomplish this in xaml, otherwise

问题 I have a main.xaml file. In the main.xaml file, It refer to a listbox in another xaml file. It is call using view:LayoutViewList In the main.xaml file, There is a button. The button will be enable only when listbox is selected. Look like ElementName=view.LayoutViewList.LayoutListBox is not working. Thank you very much Button IsEnabled="{Binding ElementName=view:LayoutViewList.LayoutListBox, Path=SelectedItems.Count}" Binding error : System.Windows.Data Error: 4 : Cannot find source for

问题 I have this problem with late binding: I am creating a grocery list application. I have a class named Item which stores the name , price , quantity , and description of an item on the grocery list. I have a module named ListCollection which defines a Collection of Item objects. I have created an Edit form which will automatically display the currently selected ListCollection item properties, but whenever I attempt to fill the text boxes, it tells me that Option Strict disallows late binding.

问题 I already posted this question in scala lang forum but unfortunately I did not get any answer. Second chance ? I try to embed an interpreter an evaluate a scala snippet into this interpreter. I would like to bind an instance of a custom class within the interpreter. To sum up that would look like: import scala.tools.nsc._ import scala.tools.nsc.interpreter._ class C { def sayHello(s:String) = "hello "+s } object Main extends App { val c= new C val s = new Settings s.usejavacp.value=true val i

问题 I am developing window phone 7 application. I am new to the silverlight. I am trying to bind a List of strings to Listbox. I am using the following code ObservableCollection<String> abc = new ObservableCollection<String>(); abc.Add("XYZ"); IncomeSummaryListBox.ItemsSource = abc; My xaml contains the following code <ListBox Margin="16,217,6,275" Name="IncomeSummaryListBox"> <ListBox.ItemTemplate> <DataTemplate> <StackPanel Orientation="Horizontal"> </StackPanel> </DataTemplate> </ListBox

问题 I have a collection of type Page with an Order property, I set ItemsSource property of a TabControl an ObservableCollection. What I need to whenever I changed the Order property of an Entity the related TabItem go in the correct location. WPF XAML : <TabControl Grid.Row="1" ItemsSource="{Binding Pages.ListViewModels}" SelectedItem="{Binding Pages.Current}" > <TabControl.ContentTemplate> <DataTemplate> <views:EditPageView /> </DataTemplate> </TabControl.ContentTemplate> <TabControl