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Cannot Access A Disposed Object Textbox

at System.Windows.Forms.Control.CreateHandle() at System.Windows.Forms.TextBoxBase.CreateHandle() at System.Windows.Forms.Control.get_Handle() at System.Windows.Forms.TextBox.GetLength() at System.Windows.Forms.TextBoxBase.set_SelectionStart(Int32 value) at System.Windows.Forms.TextBox.SelectInternal(Int32 start, Int32 length) at System.Windows.Forms.TextBoxBase.SelectAll() at System.Windows.Forms.DataGridTextBox.set_IsInEditOrNavigateMode(Boolean value) at System.Windows.Forms.DataGridTextBoxColumn.EndEdit() at System.Windows.Forms.DataGridTextBoxColumn.Commit(CurrencyManager dataSource, Int32 rowNum) at System.Windows.Forms.DataGrid.CommitEdit() at Anyway, the first time the user selects a form and starts the work (pushes start button), everything is fine. Join them; it only takes a minute: Sign up Cannot access a disposed object 'RichTextBox' up vote 0 down vote favorite A program I developed in Microsoft Visual Studios 2010 using lowercase breadcrumbs Singular cohomology and birational equivalence After the training phase, is it better to run neural networks on a GPU or CPU? navigate here

Were the Smurfs the first to smurf their smurfs? If you have created your own entry point for your application and you are calling Application.Run yourself, you should be able to just put a try catch block around that call End Class My problem is when I click the item in form1,form2 showed up but with an error massage window says: Cannot access disposed object named "DataGridTextBox" Object name: "DataGridTextBox" Here Perhaps your thread is trying to access the RichTextBox on the old form? http://stackoverflow.com/questions/18135860/cannot-access-a-disposed-object-richtextbox

What is really curved, spacetime, or simply the coordinate lines? Maybe the code raising the event is trying to access the Form after you've closed it. I have to stop my work to fix the problem.

Why cast an A-lister for Groot? Once you can reproduce it, you'll have to find WHERE the object is disposed. We're a friendly computing community, bustling with knowledgeable members to help solve your tech questions. MCITP: Business Intelligence Developer 2008, MCITP: Database Developer 2008, MCITP: Database Administrator 2008, MCPD: Enterprise Application Developer 3.5, MCTS: SharePoint 2010, Configuration Charter Member, MCTS: .NET Framework 3.5, Windows Workflow Foundation

the problem here is when i select item in combobox sometimes its not changing to selected item. How can I prove its value? I'msearchingfor 3 days i have same problem. pop over to these guys Here is the crash log System.ObjectDisposedException: Can not access a disposed object named "TextBox".

Then, in the form's unload event, or on a timer, or on some other event from some other control, you could loop through any controls that have been queued up for You can do it manually by right-clicking a call to the dispose and choosing "show all references". P: n/a Tracey sorry I post this problem again. To get there, open your project properties, go to the Application tab, then click the View Application Events button in the application framework frame at the bottom of the page.

share|improve this answer edited Jul 11 '12 at 14:03 answered Jul 11 '12 at 13:43 Steven Doggart 32k42567 I clean my control with a recursive stack correctly and removing https://social.msdn.microsoft.com/Forums/vstudio/en-US/17e68166-0e79-4e99-92cf-6cdcbb1d98d2/cannot-access-a-disposed-object?forum=csharpgeneral comboBox.Leave +=new System.EventHandler(comboBox_Leave); The combo box is disposed upon leaving the control, I guess this is the source of your problem.MCITP: Business Intelligence Developer 2008, MCITP: Database Developer 2008, MCITP: Database Handle the FormClosing event and put the following in the event handler:Application.Idle -= OnAppIdle;David Morton - http://blog.davemorton.net/ Marked as answer by vspin Tuesday, January 13, 2009 9:11 PM Tuesday, January 13, So additionally catch the disposed object error specifically and throw it away (This is okay in this case because you obviously don't care if the textbox is updated anymore because the

Other than the form being closed, there is nothing the I have which would dispose the richTextBox.My richTextBox is being initialize in Form1 like this:this.richTextBox1 = new System.Windows.Forms.RichTextBox(); What is going on? http://mediastartpage.com/cannot-access/cannot-access-disposed-object-vb-net.html Cannot access disposed object "Cannot access a disposed object" RichTextBox on Form -- Exception.. No part of this website may be reproduced unless for personal use without prior written permission from The CGSociety. 1 Hot Network Questions What is exactly meant by a "data set"?

Can I switch from past tense to present tense in an epilogue? Does トイレ refer to the British "toilet" or the American "toilet"? Post your question and get tips & solutions from a community of 418,747 IT Pros & Developers. http://mediastartpage.com/cannot-access/cannot-access-a-disposed-object-object-name-system-net-sockets-socket.html so your textbox will be disposed with the window.

You'll be able to ask any tech support questions, or chat with the community and help others. How small could an animal be before it is consciously aware of the effects of quantum mechanics? I just leave it there and let it run.

The Timer is a way to find this out.

I used tooltip on the form, that's my guess of the cause. Browse other questions tagged c# visual-studio exception serial-port richtextbox or ask your own question. Newton's second law for individual forces Looking for a nice example for normal subgroups What exactly are sleeping stalls versus waiting-rooms, for airport layovers? when i try to select item in combobox sometimes its working great and sometimes not.

Why does Friedberg say that the role of the determinant is less central than in former times? It's quick & easy. I'm kinda new to this C# thing, but isn't a new instance of the form class created each time the "new" keyword is used? weblink Center trace between two pads Why does Friedberg say that the role of the determinant is less central than in former times?

I have used this method with all my structs in the past but first time using .Net with it I did find a workaround and that was to just add it http://msdn.microsoft.com/en-us/library/system.windows.forms.datagridview.dataerror.aspx Example: private void dataGridView_DataError(object sender, DataGridViewDataErrorEventArgs e) { } If this supresses your exception, then track the value of the execption by using e parameter (e.Exception), maybe you will get asked 3 years ago viewed 628 times active 3 years ago Visit Chat Related 2Cannot access a disposed object4Cannot access a disposed object0Cannot access a disposed object2Cannot access a disposed object?0Cannot The child form is created using this code...

Object name: 'frmMsg'. if you have solved please share . Could you be explicitly disposing of the grid before performing this check? share|improve this answer answered Feb 12 '14 at 13:26 Stephen Cleary 184k22311390 add a comment| up vote 1 down vote -If you do not care if it is blocking then do

Yes: if it has asynchronous work to do. In my programs, I check the dataset attached to the grid to check for changes when the Close (or isCLosing or whatever) event fires. Without opening the PHB, is there a way to know if it's a particular printing? I don't understand it here the code when i uncomment doCalcsForBetalingen its working great.

If so, wouldn't that mean that the richTextBox that is created the second time the user selected to open it is a different text box than the first time? Greetings, Wessel Nov 17 '05 #2 P: n/a mthgk Thanks for your quick reply...

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