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Updatesourcetrigger Lostfocus Not Working

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bezirk ;) –thumbmunkeys Apr 12 '11 at 6:59 @IErbaer: Grüße zurück, auch aus dem 4. For those situations where you need more control of the process, this property will definitely help though. When TextBox empties, Its style changes, however string.IsNullOrEmpty(this["NumberOfItems"]) results always true –user2039445 Feb 13 '13 at 10:37 @user2039445: have you added TargetNullValue={x:Static sys:String.Empty} in your binding as @Manish stated? The other options are PropertyChanged, LostFocus and Explicit.

If you don’t make any property change on target, source will stay the same. Brainfuck Interpreter written in x86 Assembly Does any organism use both photosynthesis and respiration? Browse other questions tagged c# wpf xaml or ask your own question. My Cosigner is going to die, and the family is threatening to take the car!

Wpf Textbox Lost Focus Mvvm

For that reason, I have added a button next to the TextBox, which will update the source value on demand. Related 35WPF Databind Before Saving127Binding WPF ComboBox to a Custom List0WPF databinding: how is detected an item change?1Different UpdateSourceTriggers for binding ways0TextBox UpdateSourceTrigger for PropertyChanged and LostFocus1Mode=TwoWay, UpdateSourceTrigger=PropertyChanged or LostFocus?1Exception on 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 Do I need an Indie Studio Name?

Should I be concerned about "security"? Join them; it only takes a minute: Sign up TextBox LostFocus is not raised when clicking on certain other controls up vote 6 down vote favorite 2 In the following simple I am a newbie, so I would very much appreciate if people are patient with me and helpful. Brian 11 posts Member since: Sep 2012 Posted 10 Jan 2014 Link to this post Lauren, Did you figure this issue out?

Back to Top PRODUCTS Complete .NET Toolbox DevCraft Deliver awesome UI with the richest .NET toolbox Mobile App Development Telerik Platform Develop cross-platform mobile applications Digital Content & Experience Progress Sitefinity Not the answer you're looking for? The first one is set to Explicit, which basically means that the source won't be updated unless you manually do it. http://stackoverflow.com/questions/14850132/updatesourcetrigger-not-working-when-textbox-becomes-empty I just hope the LostFocus in the binding can work as the LostFocus Event.

Monday, March 01, 2010 7:55 AM Reply | Quote 0 Sign in to vote I find the LostFocus event can be fired when the textbox property Contradiction between Analytic and Numerical Integration What should I do after sending a file to print with a typo? Do n and n^3 have the same set of digits? Regards, Vladi Telerik TRY TELERIK'S NEWEST PRODUCT - EQATEC APPLICATION ANALYTICS for WPF.

Updatesourcetrigger Propertychanged Not Working

Bezirk. [Sitze gerade an der TU]. ;-) –Heinzi Apr 12 '11 at 7:27 It does lose focus though that is the thing! http://stackoverflow.com/questions/25640877/mode-twoway-updatesourcetrigger-propertychanged-or-lostfocus If you have any other questions, let us know. Wpf Textbox Lost Focus Mvvm Thanks you c# wpf xaml share|improve this question edited Dec 31 '14 at 9:39 daniele3004 2,32731733 asked Aug 28 '14 at 1:48 user3470688 1999 add a comment| 2 Answers 2 active Does Apex have an equivalent to the C# object initializer?

Thanks Monday, March 01, 2010 6:41 AM Reply | Quote Answers 2 Sign in to vote Hi Charley Chen,This is by design, as William Han explained early, even if you set Not necessarily the preferred way but seems to work. Not the answer you're looking for? share|improve this answer answered May 25 '10 at 20:24 murki 620718 add a comment| up vote 0 down vote I ran into this same problem using MVVM and Silverlight 4.

So, adding the property assignments as shown won't make any difference. asked 3 years ago viewed 814 times active 3 years ago Upcoming Events 2016 Community Moderator Election ends in 7 days Blog How We Make Money at Stack Overflow: 2016 Edition When you enter the 6, 'ValueChanged' event is triggered with the new value of 45. Instead, the source was updated only after focus was lost on the TextBox.

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Monday, March 01, 2010 3:22 PM Reply | Quote 0 Sign in to vote I’m not sure what you mean by “I just hope the LostFocus in the binding can work Cancel The title field is required! The second TextBox uses the LostFocus value, which is actually the default for a Text binding. How to replace 8-sided dice with other dice Locking plane for a long period What is Hinduism's view on abortion?

So, I like such a simple solution but I'm concerned there's some other control somewhere or something I may add later that also does not cause the textbox to lose focus. Or is it? Problem with revealing a hidden folder What is the best way to save values (like strings) for later use? For markup below: LostFocus is just an enum value of an enum type UpdateSourceTrigger that indicates when to update the binding source.

Just make sure that you don't update the source value more often than you actually need to. share|improve this answer answered Sep 19 '08 at 16:50 cranley 518149 add a comment| up vote 4 down vote Take a look at the ValidatesOnTargetUpdated property of ValidationRule. North by North by North by South East Maintain a 700 GB SQL Server database Anyone know the premise of this pcb assembly note? Not the answer you're looking for?

up vote 3 down vote I am guessing you are trying to Bind a property of type integer to the text property of your textbox. Looking for a movie of about futuristic city and alien society What is Hinduism's view on abortion? Default is, obviously, the default value of the UpdateSourceTrigger. Good thought though - I've been trying to fix a similar problem and this did initially look promising. –Phil Oct 11 '09 at 1:18 This worked for me on

When that didn't work, I also tried setting the Value={Binding vmvalue, Mode=TwoWay, UpdateSourceTrigger=LostFocus} but that seemed to cause it to never update.

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