Home > Cannot Be > Value Close Cannot Be Called

Value Close Cannot Be Called


Instead we can write the procedure to close the form, and call the procedure in button click. Web site: http://www.ianotary.us A+, DCSE, e-Biz+, i-Net+, MCDST, MCP, Network+, Security+, A.A.S (Hons.) Visual Basic .NET Video Tutorials | Login Form using backend database (.NET) | Useful site for sending email When you call Dispose() method (according to the error message this is what happens) on an object, that object will try to dispose of all its children and do some cleanup. Forum New Posts FAQ Calendar Forum Actions Mark Forums Read Quick Links Today's Posts View Site Leaders What's New? http://bovbjerg.net/cannot-be/value-close-cannot-be-called-while-doing-createhandle.php

You are disposing the object when the GUI is creating it (that what the exception said) Try with this: if (frmMain.objfrm== null) { frmMain.objfrm = frmMyForm.Instance; frmMain.objfrm.ShowInTaskbar = false; } frmMain.objfrm.ShowDialog(); 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 Web site: http://www.ianotary.us A+, DCSE, e-Biz+, i-Net+, MCDST, MCP, Network+, Security+, A.A.S (Hons.) Visual Basic .NET Video Tutorials | Login Form using backend database (.NET) | Useful site for sending email Closing one instance of the form while another instance is loading is causing the exception.

C# Value Dispose Cannot Be Called While Doing Createhandle

Evandro Junqueira Ramos Says: September 23, 2011 at 7:08 AM It works!I moved the Close() from the Constructor of the Form to the OnShown event.Thank you! 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 where can I place it?

We will learn below listed point. 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. First Name Please enter a first name Last Name Please enter a last name Email We will never share this with anyone. Update Datatable using Linq in C# Description: if you have a requirement to update datatable column value from another datatable column value.

you want is: colse a mdi child form when form_load event occured? System Invalidoperationexception Value Dispose Cannot Be Called While Doing Createhandle thanks. But the form cannot be closed during the loading point of time. Connect with top rated Experts 14 Experts available now in Live!

more hot questions question feed default about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation How do I make an alien technology feel alien? Best Regards Lee 0 Comment Question by:ljhodgett Facebook Twitter LinkedIn Email https://www.experts-exchange.com/questions/23199832/Value-Close-cannot-be-called-while-doing-CreateHandle-error-in-vb-net-2005.htmlcopy LVL 96 Active 7 days ago Best Solution byBob Learned If you are trying to keep the application from If not then we have the chance once a moderator marks a complete wrong reply as answer.

System Invalidoperationexception Value Dispose Cannot Be Called While Doing Createhandle

Bob 0 Message Author Comment by:ljhodgett2008-02-28 Comment Utility Permalink(# a21005609) Hi Bob, Yes it is: - Private Sub frmBookInPurchaseOrder_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Why does top 50% need a -50% translate offset? C# Value Dispose Cannot Be Called While Doing Createhandle Solve: Your project references the latest version of Entity Framework (for MySQL) in Visual Studio 2013 The error message while trying to create a ADO.net Entity Data Model ( Entity Framework my suggestion is: why not judge get_person() method beform the MDI created?if new MDIchild need to colse, it is no need to generate a new MDIchild instance.

The form might be still not loaded when the Close method is called. have a peek at these guys Then you can simply replace "Me.Close"'s with "Me.CloseFrmDuringLoad(Me)"'s. What do I do? I am using VB.NET 3.5 (Would this question be better in the .NET forum?) with DevExpress Data Grid and other UI controls.

How to capture disk usage percentage of a partition as an integer? Promoted by Experts Exchange Engage with tech pros in our community with native advertising, as a Vendor Expert, and more. Join our community for more solutions or to ask questions. check over here Needed if its MDIParent is set prior to the Load Event. ''' ''' ''' ''' Public Function CloseFrmDuringLoad(ByVal oFrm As Form)

Then start adding commented code and see when the error happens. That's a no-no. View All Notifications Email : * Password : * Remember me Forgot password?

Why would you do that?

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). can u try doing: frmMain.objfrm = new frmMyForm(); Cheers –MarcosMeli Jan 20 '10 at 11:36 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign Follow by Email Labels ADO.NET Android ASP.NET Bigdata Blogger C# Crystal Report Entity Data Model Entity Framework 6 Error FTP Hadoop Hosting IIS MySQL Programming SQL Server Ubuntu Visual Studio Visual View All Comments No new messages.

current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. For example, the following code gives the error: Read Full Content From Here Priti Kumari I am technical blogger.I blogs at www.c-Sharpcorner.com and https://aspdotnetmyblog.blogspot.in/. This is not a huge issue but users keep running into it as they try to open multiple tabs at once and it crashes the application. this content Perhaps there is some kind of 'ready state' event that you can use to control the timing of closing and loading forms?

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 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 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 It should've probably been designed that to begin with but I inherited dozens of Forms that don't.

oh my, i didnt even notice that! Place the following code in a shared module. Missing } inserted. \int dx = x + C & How can I save a file to a new location from inside Vim? Use the following code, might resolve ur problem.//call it in ur load eventthis.BeginInvoke(new MethodInvoker(UnloadMe));//call this function out side private void UnloadMe() { this.Close(); }

This thread is locked for new responses.

If you don't know what a Kinect is (http:… .NET Programming VB .NET Retrieving FX Rates from ECB site and parsing XML into a datatable Article by: nepaluz The ECB site so when it's try to dispose the form that event is running in the worker's thread and I get the exception!!! Join the community of 500,000 technology professionals and ask your questions. Suggested Solutions Title # Comments Views Activity DataGridView 2 22 20d how to split multiple lines delimiter : 8 37 20d asp.net mvc5 3 28 9d VB.net PaintEventArgs Handling. 10 17

asked 6 years ago viewed 8307 times active 2 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 6Closing a form from the Load handler0Even though form3 is Instead of calling me.close, do this Me.BeginInvoke(New MethodInvoker(AddressOf CloseIt)) private sub CloseIt() me.close end sub I get same exception when I trying this solution. Friday, January 22, 2010 2:56 PM Reply | Quote 0 Sign in to vote I packaged CodeCruiser's solution into a form (get it?) more easily used across multiple Forms. Thursday, August 09, 2012 9:24 AM Reply | Quote 0 Sign in to vote Thank you so much it's working perfectly Saturday, January 18, 2014 4:42 PM Reply | Quote 0

If you choose to participate, the online survey will be presented to you when you leave the Msdn Web site.Would you like to participate? Never too late to post a better solution. You may have to register before you can post: click the register link above to proceed. 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

Otherwise, I would've had to move all my Form.Load Event code (except Button Enabling code) to the New Method and/or a separate init Method that I'd have explicitly call prior to How To: Enable Hidden attribute in folder options To enable to change folder/file hidden attribute in properties option again: 1.