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Value Close Cannot Be Called While Doing Createhandle Vb Net

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That's a no-no. Thanks Cor Edited by Cor LigthertMVP Saturday, January 18, 2014 5:16 PM Saturday, January 18, 2014 5:16 PM Reply | Quote Microsoft is conducting an online survey to understand your opinion Iam trying to close a win Form.At that time, It gets and error like this.value close() cannot be called while doing CreateHandle().Plz explain why it occurs. Open a new email: Click the New email button in Outlook. his comment is here

share|improve this answer edited Oct 1 '12 at 10:10 answered Oct 1 '12 at 8:53 Samy S.Rathore 89331637 add a comment| up vote 1 down vote it is hard to say Unfortunately, if they try to close FormA while opening FormB I get the above exception. From one form I created and shown the other form. For example, the following code gives the error: Private Sub RootForm_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load 'Some Validation 'If Failed then close the form Me.Close 'The exception

C# Value Dispose Cannot Be Called While Doing Createhandle

thanks. so when it's try to dispose the form that event is running in the worker's thread and I get the exception!!! Assigning only part of a string to a variable in bash Problem with function inside brackets. At the moment I keep running afoul of "System.InvalidOperationsException: Value Close() cannot be called while doing CreateHandle" that's when I try to call it in Load/Show as well as create.

Find the "unwrapped size" of a list Find a mistake in the following bogus proof When does TNG take place in relation to DS9? Then start adding commented code and see when the error happens. It runs some code. Category: .NET03 Jan 2008 10:42Gnanavel.KJoined:19/11/2007Level:BronzePoints:11Points:2value close() cannot be called while doing CreateHandle().In the Form Load Coding.

Just run your code in a function / Sub I think the previous guy was trying to be clever and it backfired in his face, hence the reason its now my System Invalidoperationexception Value Dispose Cannot Be Called While Doing Createhandle so now what could be the solution??? –Jankhana Jan 20 '10 at 4:44 add a comment| up vote 0 down vote The code is as follows: if (frmMain.objfrm== null) { frmMain.objfrm Installing JAVA JDK Login as ro... If you don't want the form open then why show it in the first place?

But when I call that function I get the above exception. I am using VB.NET 3.5 (Would this question be better in the .NET forum?) with DevExpress Data Grid and other UI controls. The preferred method is to call the CreateControl method, which forces a handle to be created for the control and its child controls when the control is created. Reason: Correcting awful spelling :) Faq Reply With Quote April 13th, 2011,02:42 PM #2 No Profile Picture Doug G View Profile View Forum Posts  Grumpier old Moderator Devshed Supreme

System Invalidoperationexception Value Dispose Cannot Be Called While Doing Createhandle

Form closes. Then you can simply replace "Me.Close"'s with "Me.CloseFrmDuringLoad(Me)"'s. C# Value Dispose Cannot Be Called While Doing Createhandle The time now is 08:14 PM. Join and Comment By clicking you are agreeing to Experts Exchange's Terms of Use.

still the same exception is coming!!! –Jankhana Jan 20 '10 at 4:58 And why u use .Instance ? this content Solve: Error while displaying crystal report using visual studio 2010, 2012, 2013 The error message while trying to display crystal report using visual studio 2010 System.IO.FileNotFoundException was unhandled Could not... Posted 08 July 2013 - 04:08 AM This should be pretty straight forward but I will be dammed if I can work it out or find an answer online. I bet it will be in the code that is being called as consequence of Dispose method.

  • facebook google twitter rss Free Web Developer Tools Advanced Search  Forum Programming Languages - More Visual Basic Programming How to solve exception: Value Close() cannot be called while doing CreateHandle()
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  • Do some stuff.
  • That was valid at that time and it is still valid if you are still using these versions.
  • Somebody who programs in C# asks a question in 2007In 2010 he gets a reply but now with 3 rows of VB codeIn 2010 a discussion gets a follow up by
  • You can't call the CreateHandle method directly.
  • In my defence, I've never attempted to Close a form before doing something with it I suppose it would require using, for example, the Enter event of a control on the
  • Thanks, Mike Faq Reply With Quote April 14th, 2011,08:09 PM #4 No Profile Picture Doug G View Profile View Forum Posts  Grumpier old Moderator Devshed Supreme Being (6500+ posts)
  • Pages Home علمتني الحياة الأدعيـــة Sunday, March 25, 2012 How to: Close Windows form while doing CreateHandle() The error Value Close() cannot be called while doing CreateHandle() usually happens when we

Privacy statement Downloads and tools Windows 10 dev tools Visual Studio Windows SDK Windows Store badges Essentials API reference (Windows apps) API reference (desktop apps) Code samples How-to guides (Windows apps) Instead of calling me.close, do thisMe.BeginInvoke(New MethodInvoker(AddressOf CloseIt))private sub CloseIt() me.closeend sub Friday, September 12, 2008 11:49 AM Reply | Quote 0 Sign in to vote Thanks CodeCruiser! Stack Trace: at System.Windows.Forms.Form.Close() at BusinessStudio.frmSQLExecuteProgress.frmSQLExecuteProgress_Load(Object sender, EventArgs e) in D:\BusinessStudio\frmSQLExecuteProgress.vb:line 36 at System.Windows.Forms.Form.OnLoad(EventArgs e) at System.Windows.Forms.Form.OnCreateControl() at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible) at System.Windows.Forms.Control.CreateControl() at System.Windows.Forms.Control.WmShowWindow(Message& m) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ScrollableControl.WndProc(Message& m) http://bovbjerg.net/cannot-be/value-close-cannot-be-called-while-doing-createhandle.php Last edited by jmcilhinney; May 3rd, 2008 at 12:47 PM. 2007-2016 Why is my data not saved to my database? | MSDN Data Walkthroughs MSDN "How Do I?" Videos: VB |

You may have to register before you can post: click the register link above to proceed. oh my, i didnt even notice that! Thursday, March 01, 2007 10:18 AM Reply | Quote 0 Sign in to vote I means judge it when your MDIParent generate MDIChild, and just cancel new MDIChild generate.

For example, the following code gives the error: private void frmCustomer_Load(object sender, EventArgs e) { if (!Valid()) this.Close; } The Solution: private void frmCustomer_Load(object sender, EventArgs e) { if (!Valid()) this.BeginInvoke(new

Newer Post Older Post Home Subscribe to: Post Comments (Atom) About Me Mahmmoud Mahdi أنا الفقير إلي الله ولا تأخذني في الله لومة لائم View my complete profile Search This Blog What is the most someone can lose the popular vote by but still win the electoral college? Unfortunately, the exception is thrown before the FormClosing() event is fired, so checking for IsHandleCreated has been a bust (was not sure if it would have worked anyway). However, why don't you just cut and paste the DoImport method elsewhere, perhaps to a Module, and just run that code, without the need for a form.

Anonymous Says: January 26, 2012 at 12:49 AM thanks for this article Anonymous Says: June 4, 2012 at 8:23 PM I found same problem when i use form X button Was This Post Helpful? 0 Back to top MultiQuote Quote + Reply ← Previous Topic VB.NET Next Topic → Page 1 of 1 Related VB.NET TopicsbetaHow To Use Timers To It's working great. check over here But, anyway, I'm glad you found a (better) solution.

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As we all should know, exceptions are a mechanism for handling errors which are typically out of our control. Kevin Is This A Good Question/Topic? 0 Back to top MultiQuote Quote + Reply Replies To: Call Close() on a windows form. #2 deery5000 D.I.C Lover Reputation: 87 Posts: 1,097 Never too late to post a better solution. Was This Post Helpful? 2 Back to top MultiQuote Quote + Reply #6 kevin_mchugh D.I.C Head Reputation: 11 Posts: 75 Joined: 08-April 09 Re: Call Close() on a windows form.

Posted 08 July 2013 - 04:26 AM deery5000, on 08 July 2013 - 05:21 AM, said:me.close() formName.close() seems very odd to me to open a window and close it. and the solution to solve this.With RegardsA.K.Gnanaavel #29631217 Sep 2008 03:14Shoby ThomasJoined:08/05/2004Level:BronzePoints:5Points:5Creates a handle for the control. not thinking straight today it looks like Notary Public in and for the State of Iowa. What am I doing wrong please?

Before you ask why am I using a windows form when a console application would be better suited? How to prove that authentication system works, and that the customer is using the wrong password? How to: Install Microsoft SQL Server 2008 Step by Step The system requirements are as follow: 32-bit systems : Computer with Intel or compatible Pentium III 1 GHz or faster processor