updatesourcetrigger

I have a Silverlight 2 application that validates data OnTabSelectionChanged. Immediately I began wishing that UpdateSourceTrigger allowed more than just LostFocus because if you click the tab without tabbing off of a control the LINQ object is not updated before validation. I worked around the issue for TextBoxes by setting focus to another control and then back OnTextChanged: Private Sub OnTextChanged(ByVal sender As Object, ByVal e As TextChangedEventArgs) txtSetFocus.Focus() sender.Focus() End Sub Now I am trying to accomplish the same sort of hack within a DataGrid. My DataGrid uses

I have a text box in my application which is data bound to a decimal field in my class and the binding mode is two way. I am using StringFormat={0:c} for currency formatting. This works fine as long as I don't touch 'UpdateSourceTrigger'. If I set UpdateSourceTrigger=PropertyChanged , It stops formatting the text that I am entering. here is my code example Employee.cs using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.ComponentModel; namespace Converter { public class Employee : INotifyPropertyChanged { int _employeeNumber; string _firstName;

Just a short question : In wpf, how do I set and get updatesourcetrigger of a textbox in codebehind ? Thanks Update : I follow AngleWPF's code : var bndExp = BindingOperations.GetBindingExpression(this, TextBox.TextProperty); var myBinding = bndExp.ParentBinding; var updateSourceTrigger = myBinding.UpdateSourceTrigger; But I got the exception : An unhandled exception of type 'System.Reflection.TargetInvocationException' occurred in PresentationFramework.dll Additional information: Exception has been thrown by the target of an invocation. What do you mean by UpdateSourceTrigger of TextBox ? You

I'm using WPF Toolkit DataGrid and DataGridComboBoxColumn. Everything works well, except that when selection change happens on the combobox, the selectedvaluebinding source is not updated immediately. This happens only when the combobox loses focus. Has anyone run into this issue and any suggestions solutions ? Here's the xaml for the column: <toolkit:DataGridComboBoxColumn Header="Column" SelectedValueBinding="{Binding Path=Params.ColumnName, UpdateSourceTrigger=PropertyChanged}" DisplayMemberPath="cName" SelectedValuePath="cName"> <toolkit:DataGridComboBoxColumn.ElementStyle> <Style

I have a combo box (in my wpf-mvvm app). I have set IsEditable = true . But the "property changed event" is getting fired when I start typing. How can I set UpdateSourceTrigger = Propertychanged here ? Also..I need to call a validation function if user has entered new value ( i mean other than those available in list ..using edit functionality). Any help will be appreciated. <ComboBox ItemsSource="{Binding Path = PlanTypeBasedContractNumberList }" Width="90" IsEditable="True" SelectedValue="{Binding GeneralCharacteristicsDataContext.ContractNumber.Value}"> </ComboBox> In an editable ComboBox ,

Is there a way to change the default behavior of bindings so i don't need to set 'UpdateSourceTrigger=PropertyChanged' on each, in my case, textbox? Might this be done via a ControlTemplate or Style? Maybe it's more suitable to override the defaults for your Bindings, you could use this one for that purpose: http://www.hardcodet.net/2008/04/wpf-custom-binding-class Then you define some CustomBinding class (setting appropriate defaults in the constructor) and a MarkupExtension 'CustomBindingExtension'. Then replace the bindings in your XAML by something like this: Text="{CustomBinding Path=Xy..