databinding

How to bind a datatable to a wpf editable combobox: selectedItem showing System.Data.DataRowView

Hello Good People!! I bound a datatable to a combobox and defined a dataTemplate in the itemTemplate.i can see desired values in the combobox dropdown list,what i see in the selectedItem is System.Data.DataRowView here are my codes: <ComboBox Margin="128,139,123,0" Name="cmbEmail" Height="23" VerticalAlignment="Top" TabIndex="1" ToolTi...

WPF: How can I bind a label to ObjectDataProvider and specify the parameters?

What I need to do is: a) I MUST use custom localization (legacy system) b) Users need to be able to change the localization at will from with the application c) Localization must be done via data binding So, I guess the way to go would be to use the ObjectDataProvider, but how would I specify the parameter being passed? Such as "okb...

DataBind DataSource Result to ASP Labels

I have an AccessDataSource TestSummaryADS. I can easily view the results in a GridView or DropDownList by setting its DataSourceID property. How do I bind a value from the results TestSummaryADS to the text of a label? I'm just trying to populate labels on my page with results from the DB entry. C# or VB.NET answers okay. ...

WPF Binding not updating when binded object is updated

I'm trying to bind to a custom control like so: <my:GanttChartTaskListView Name="ganttChartTaskListView1" ItemsSource="{Binding Source={x:Static local:TaskCollection.taskList}}" /> In my WPF Window constructor I add add an item to my taskList, when it loads I can see that item in my custom control, however, when I subsequently add ite...

Bind button visibility to the expresion (C#)

I have a delete button in each row of GridView (component ASP.NET). I want some of the delete buttons to be invisible. The visibility of the delete button should depend on the data that are back the row. GridView is backed by EntityDataSource. GridView displays entities called Category, one instance in each row. Entity Category has (bes...

WPF textblock binding question.

I'm trying to get my head around the whole MVVM thing and binding. I have a ViewModel class which has a property that is another class. I want to bind to a (string) property of that class to the text of a textblock. I set the ViewModel as my data context for my window\page. And then do this: <TextBlock Text="{Binding ElementName=myAd...

WPF databinding update comboxbox2 based on selection change in combobox1 with MVVM

I have a combo box that I have bound to a list that exists in my viewmodel. Now when a users makes a selection in that combo box I want a second combo box to update its content. So, for example, combobox1 is States and combobox2 should contain only the Zipcodes of that state. But in my case I don't have a predefined lists before hand ...

ASP.NET data bind two-way, bi-directional from code behind

Hello, so for two-way (bi-directional) databinding in ASP, we do this... <asp:textbox id="txtField" runat="server" text='<%# Bind("SomeField") %>'> </asp:textbox> SomeField is located on the DataSource of the DetailsView that serves as the container for the textbox. Alternatively I could do this from code-behind (using the textb...

Is it possible to apply NOT(!) operator while DataBinding a property of a control ?

I have Button control and I have to set the IsEanbled property based on the bool variable. bool IsBoolVariable I want if IsBoolVariable property is true then I want to set the IsEnabled property to false AND when IsBoolVariable property is false then I want to set the IsEnabled property to true. Is it possible to apply not(!) operato...

Object synchronization with GUI Controls

Hi, Every time when I change some values in form controls, I need to set a property of an object or vice versa. Instead of writing some methods for each control, I want a general solution for GUI elements. I do not use WPF but only C# 3.0. Any suggestions? Thanks. ...

Can I safely bind to data on multi-threaded applications?

Hi everyone, I'm trying to solve a classic problem - I have a multi-threaded application which runs some processor-intensive calculations, with a GUI interface. Every time one of the threads has completed a task, I'd like to update a status on a table taskID | status I use DataGridView and BindingList in the following way: Bin...

WPF - Get combobox checked property from ListBox

I have a listbox, which is defined like so: <ListBox ItemsSource="{Binding Source={x:Static local:ResourceCollection.resourceList}}" Height="143" HorizontalAlignment="Left" Margin="6,6,0,0" Name="assignmentLB" VerticalAlignment="Top" Width="287" FontSize="12" FontWeight="Normal" IsEnabled="True" Grid.Column="0"> <ListBox.ItemTemplat...

How does data binding avoid recursive update in WPF?

I am studying binding in WPF, then I have this question: let's say a dependency property is binded to a property of an object which implements INotifyPropertyChanged interface. when the binding target update the source, then the source's property get updated. since the property setter of the source object changed, it will in turn noti...

Flex List ItemRenderer with image looses BitmapData when scrolling

Hi i have a mx:List with a DataProvider. This data Provider is a ArrayCollection if FotoItems public class FotoItem extends EventDispatcher { [Bindable] public var data:Bitmap; [Bindable] public var id:int; [Bindable] public var duration:Number; public function FotoItem(data:Bitmap, id:int, duration:Number, ...

Bound textbox not updating upon DataTable change

I have bound several textboxes to different rows in a DataTable, like this: txtCurLevel.DataBindings.Add("Text", dtTop, "CURR LEVEL"); txtNewLevel.DataBindings.Add("Text", dtTop, "NEW LEVEL"); txtProduct.DataBindings.Add("Text", dtTop, "P LINE"); txtCurRev.DataBindings.Add("Text", dtTop, "CURR REV"); Th...

Button in a WPF ListItem

Hi, I'm a bit new to WPF. I am working on a list UI where each item in the list will have a set of corresponding buttons to operate on that particular data item. Coming from a web background, I normally would have bound the value into a hidden element in that particular list item or something. However, I just need to find the correspon...

WPF binding comboboxes to parent- child model

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...

WPF USer Control viewmodel binding

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 i have added my view (i mean...

ComboBox SelectedItem vs SelectedValue

The following code works as you’d expect — MyProperty on the model is updated when the user picks a new item in the dropdown. comboBox1.DataBindings.Add("SelectedValue", myModel, "MyProperty", true, DataSourceUpdateMode.OnPropertyChanged); The following, however, doesn’t work the same way and the model update isn’t triggered until the...

WPF - Binding a color resource to the data object within a DataTemplate

I have a DataTemplate and a SolidColorBrush in the DataTemplate.Resources section. I want to bind the color to a property of the same data object that the DataTemplate itself is bound to. However, this does not work. The brush is ignored. Why? Here is the simplified code: <DataTemplate DataType="{x:Type data:MyData}" x:Name="dt...