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Found 66103 threads
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0 VotesTutorial "Backgound Image on Form" throws NullReferenceException
;)); InitializeComponent(); throws NullReferenceException here }Answered | 9 Replies | 5360 Views | Created by mojohnk - Thursday, January 18, 2007 4:35 PM | Last reply by timg_msft - Friday, January 19, 2007 11:43 PM
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0 Votes
Control.Invoke error
Thank you for your answer Ilya, but what about the last code I wrote, that one works fine. I'll try using Control.Invoke() anyway as you suggest me.Answered | 8 Replies | 3786 Views | Created by acg_net - Thursday, April 14, 2011 3:16 PM | Last reply by acg_net - Thursday, April 14, 2011 8:20 PM -
2 Votes
Any postback throws nullreferenceexception when anonymous
). This all works fine when the user is logged in to the site, but when anonymous users visit (who should also be able to create such lists) the page throws a ...Answered | 2 Replies | 7228 Views | Created by Ageris - Tuesday, January 25, 2011 12:48 PM | Last reply by Ageris - Wednesday, January 26, 2011 6:55 AM -
0 Votes
XmlCompiledTransform.Load throws a NullReferenceException sporadically
Anyone have any insight to this? The docs don't even say that it is capable of throwing this, is it implied? The thing is, it only happens sometimes..I can load it the same XSLT file later on and it ...Answered | 4 Replies | 3731 Views | Created by piopio - Wednesday, November 12, 2008 5:33 PM | Last reply by piopio - Friday, November 14, 2008 5:11 PM -
0 Votes
regarding the control.invoke
hi , how could we use Control.Invoke in the above code . without this i cannot proceed with my application .could you help me in this . - ...Answered | 8 Replies | 3819 Views | Created by mohasad - Thursday, March 15, 2007 11:24 AM | Last reply by mohasad - Wednesday, April 4, 2007 5:05 AM -
0 Votes
WPF Map Control Throws NullReferenceException
This is a weird problem. The exception only happens if I have a break point in my project that is hit before the project is fully loaded (before the window appears on the screen). Not ...Answered | 1 Replies | 837 Views | Created by Jason_Boyd - Saturday, May 2, 2015 8:08 PM | Last reply by Ricky_Brundritt - Saturday, May 2, 2015 8:37 PM -
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NavigationService.CanGoBack throws NullReferenceException after tombstoning
Hello, After tombstoning my app crashes on the first line of this code with the exception ...Answered | 3 Replies | 1968 Views | Created by Dominique Lorre - Wednesday, April 18, 2012 7:46 AM | Last reply by Shaka1989 - Friday, June 8, 2012 4:51 AM -
0 Votes
Data context throws NullReferenceException in constructor
, and the third class attempts to create a data context and when it does that the HttpContext gets set to null mysteriously, and I receive a ...Answered | 5 Replies | 1817 Views | Created by devnw - Monday, July 18, 2011 11:36 AM | Last reply by devnw - Monday, July 18, 2011 1:04 PM -
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Using ListViewByQuery on aspx page throws NullReferenceException
</html> it throws: [NullReferenceException: Object reference not set to an instance of an object.] ...Answered | 7 Replies | 7803 Views | Created by awlinq - Thursday, October 1, 2009 12:21 PM | Last reply by awlinq - Friday, October 2, 2009 12:02 PM -
0 Votes
Range validator's Validate() method throws a NullReferenceException.
User1335583151 posted Hello my friend, Which code line throws the exception? If it is the first, I would check that txtInput exists. If this ...Answered | 5 Replies | 9 Views | Created by Anonymous - Tuesday, February 27, 2007 4:39 PM | Last reply by Anonymous - Friday, March 2, 2007 12:11 PM -
0 Votes
[WQL] Availability from Win32_DisckDrive throws a NullReferenceException
But I always get an NullReferenceException at getting the 'Availability' property. Can anybody tell me whats wrong? Thanks in advance!Answered | 8 Replies | 3694 Views | Created by xdefox - Sunday, February 27, 2011 3:34 PM | Last reply by Louis.fr - Thursday, March 3, 2011 11:20 AM -
0 Votes
Response.End() in Sandboxed Solution throws NullReferenceException
NullReferenceException when I call the End() in my Webpart Code Behind?Answered | 2 Replies | 6349 Views | Created by Stephan1024 - Tuesday, July 5, 2011 12:01 PM | Last reply by Stephan1024 - Tuesday, July 5, 2011 2:09 PM -
0 Votes
Control.Invoke and ByRef parameters
of an object inside ANY method, this is not a privilege of methods in which the object is passed using the ByRef (or ref) word. But I still can't find a way to change the value of simple ...Answered | 5 Replies | 5831 Views | Created by luke1234564759 - Thursday, November 10, 2005 8:18 AM | Last reply by Marcos Arruda - Thursday, April 29, 2010 3:08 PM -
0 Votes
Control.Invoke/BeginInvoke and PostMessage
Found the answer to this thread myself (see the chapter "Control.Invoke/BeginInvoke" on this link:Answered | 27 Replies | 13082 Views | Created by Carsten Kanstrup - Monday, September 10, 2007 11:52 AM | Last reply by Carsten Kanstrup - Monday, September 17, 2007 4:29 PM -
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ApplicationUnderTest.Launch - starts app ok but throws NullReferenceException
I've run into a problem using ApplicationUnderTest.Launch, the application launches fine, but I always get a NullReferenceException thrown. To debug, I've reduced it to the simplest case ...Answered | 3 Replies | 3713 Views | Created by pbhotte - Wednesday, July 17, 2013 9:29 PM | Last reply by Amanda Zhu - Friday, July 19, 2013 1:44 AM -
0 Votes
SDK Package: Babel's ParseSource throws a NullReferenceException
later on when source is accessed the aforementioned NullReferenceException exception is thrown. I've tried to debug this issue for the last few days, but now I'm ...Answered | 5 Replies | 3159 Views | Created by BlackHC - Thursday, March 19, 2009 11:32 PM | Last reply by Norlesh - Saturday, March 21, 2009 1:11 PM -
1 Votes
Control.Invoke() hangs the application
Control.Invoke() will hang when the UI thread isn't idle and pumping messages. Control.BeginInvoke() cannot hang by designAnswered | 8 Replies | 18639 Views | Created by omgtifbs - Tuesday, March 27, 2007 11:05 PM | Last reply by florea.lucian - Monday, December 13, 2010 9:29 AM -
2 Votes
Control.Invoke/BeginInvoke Deadlock
Hmm, it really sounds like you are using Delegate.Invoke() instead of Control.Invoke(). Delegate.Invoke() runs on a threadpool thread, that's pretty much guaranteed to give you a ...Answered | 15 Replies | 6562 Views | Created by JeffHES - Tuesday, March 17, 2009 6:35 PM | Last reply by Lukasz.Szkup - Friday, November 6, 2009 6:17 PM -
0 Votes
Control.Invoke error during debuging
As error message points out, you have to use Control.Invoke to access UI from another thread. E.g. you can't do that from worker thread:Answered | 1 Replies | 4684 Views | Created by derekyeong - Saturday, July 22, 2006 6:14 PM | Last reply by Ilya Tumanov - Saturday, July 22, 2006 6:28 PM -
1 Votes
Control.Invoke() and Locking
I think I understand what you are asking. If you are always using Control.Invoke to update your controls, and your other asynchronous operations using ...Answered | 4 Replies | 4187 Views | Created by bbusa - Thursday, October 1, 2009 4:42 PM | Last reply by Reed Copsey, Jr - Friday, October 2, 2009 4:57 PM
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