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Java Jcombobox Removeallitems Error

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Should a router use SLAAC for IPv6 address assignment? Understand that English isn't everyone's first language so be lenient of bad spelling and grammar. When answering a question please: Read the question carefully. public void removeAllElements() { if ( objects.size() > 0 ) { int firstIndex = 0; int lastIndex = objects.size() - 1; objects.removeAllElements(); selectedObject = null; fireIntervalRemoved(this, firstIndex, lastIndex); ... my review here

Strangely employeeIds in the combobox are being populated fine. public class DefaultComboBoxModel ... ... That sounds very complete answer! :D But, What if the user not using setModel()? private void jXDatePicker1ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: empbx.removeAllItems();/////THIS LINE OVER HERE d = jXDatePicker1.getDate(); emp1=ControllerClass.searchEmpAvalibility(String.valueOf(d.getDay())); for (Employee e : emp1) { if (e != null) {

How To Reset Combobox In Java

When I code for removeAllItems it works fine. asked 2 years ago viewed 379 times active 2 years ago Blog Stack Overflow Podcast #91 - Can You Stump Nick Craver? But still gives the exception. –chathura Sep 3 '12 at 14:08 1 You might have a threading issue. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

At first, I have 1 combobox. Browse other questions tagged java swing jcombobox or ask your own question. share|improve this answer answered Aug 22 '13 at 9:09 q99 3741419 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign Jcombobox Add Items A thread out side of the JFrame calling that Combobox.

What is the name of this brown, "flat hat", fungus? Join them; it only takes a minute: Sign up Combo Box Can't be clicked after remove All Items up vote 0 down vote favorite I am creating dialog which populates the This means that at a certain point in time, you will remove the selected element. I didn't have any error when I used JComboBox.removeAllItems().

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed How To Clear Combobox In Java Swings Browse other questions tagged java swing jcombobox or ask your own question. If you still have the problem, please post it again, include codes that related to the use of the combobox. Puzzle that's an image: When is it okay to exceed the absolute maximum rating on a part?

Jcombobox Removeallitems Nullpointerexception

Thanks! –Maarten Meeusen Oct 29 '13 at 22:35 Ah ok, I allready solved it. share|improve this answer edited Jan 12 '13 at 9:57 answered Jan 11 '13 at 23:59 Guido 394415 add a comment| up vote 0 down vote removeAllItems() it does remove all things How To Reset Combobox In Java Take a ride on the Reading, If you pass Go, collect $200 Public huts to stay overnight around UK How to use color ramp with torus Quantifiers in lambda calculus Where Jcombobox Remove All Items In car driving, why does wheel slipping cause loss of control?

Why won't a series converge if the limit of the sequence is 0? http://shpsoftware.com/how-to/java-runtime-error-noclassdeffounderror.php However, it looks like a threading issue. do it in reverse order as: for(int i=combo.getItemCount()-1;i>=0;i--){ combo.removeItemAt(i); } But in my case combo.removeAllItems() works fine share|improve this answer edited Mar 22 '15 at 9:34 Shiva 4,05111741 answered Mar 22 Linked -1 Java Swing GUI combobox issue Related 1Open new JFrame when clicking/selecting an item from the combo-box (Java)0Java Combo Box Error0Exception Removing all Combo Box Items with JComboBox Open1Java - Remove Item From Jcombobox Java

Browse other questions tagged java sql-server swing nullpointerexception jcombobox or ask your own question. I changed the code and it is working fine –baleeghr Mar 1 '15 at 13:43 | show 3 more comments 2 Answers 2 active oldest votes up vote 0 down vote C# questions Linux questions ASP.NET questions SQL questions fabric questions discussionsforums All Message Boards... http://shpsoftware.com/how-to/java-error-should-be-accessed-in-a-static-way.php java swing jcombobox removeall share|improve this question edited Jan 17 '14 at 9:07 Tshepang 4,6991059103 asked Jun 2 '13 at 0:42 DarkLink 95621745 Can you show the line that

For example when you delete somewhere (other than in actionPeformed()) in your code the last item from a combo box with combo.removeItemAt(0) or removeAllItems() then still the event actionPerformed will be How To Clear Jcombobox In Netbeans Thank you very much. I mean, is it really making the Swing dead-lock or something?

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How to call "intellectual" jobs? But I notice that there is a small problem, maybe a bug? mouseClicked() or another event handler depending on what you want to do. How To Update Combobox In Java Publishing images for CSS in DXA HTML Design zip Two Circles Can Have At Most One Common Chord? (IMO) What is the name of this brown, "flat hat", fungus?

It was not the remove all items method that was causing the problem. Can 「持ち込んだ食品を飲食するのは禁止である。」be simplified for a notification board? Publishing a research article on research which is already done? useful reference Only weird thing in that code is that it does not fire a DESELECTED event first, although you know the selection has changed if you listen for the intervalRemoved event ...

See the Concurrency in Swing tutorial for more information –Robin Apr 18 '12 at 8:15 i shouldn't? I saw a simple and similar code was from this article. or not. –Hovercraft Full Of Eels Jun 2 '13 at 4:57 add a comment| 1 Answer 1 active oldest votes up vote 2 down vote accepted Looks like one of the Name spelling on publications Publishing a research article on research which is already done?

I have traced the problem to removeallitems() combobox line below, because when I remove this line, it does not throw a null pointer exception. How to use color ramp with torus Red balls and Rings A Short Easy Addictive Riddle more hot questions question feed lang-java about us tour help blog chat data legal privacy Good luck. How do you grow in a skill when you're the company lead in that area?

The Framework of a Riddle Could winds of up to 150 km/h impact the structural loads on a Boeing 777? What does a profile's Decay Rate actually do? public void removeAllItems() { checkMutableComboBoxModel(); MutableComboBoxModel model = (MutableComboBoxModel)dataModel; int size = model.getSize(); if ( model instanceof DefaultComboBoxModel ) { ((DefaultComboBoxModel)model).removeAllElements(); ... ToString (); } } share|improve this answer edited May 29 '15 at 12:22 answered May 29 '15 at 8:30 jose 12 add a comment| Your Answer draft saved draft discarded

Forum New Posts FAQ Calendar Forum Actions Mark Forums Read Quick Links Today's Posts View Site Leaders What's New? This should solve your problem. public void removeElementAt(int index) { if ( getElementAt( index ) == selectedObject ) { if ( index == 0 ) { setSelectedItem( getSize() == 1 ? java.lang.NullPointerException at abc.MyClass.jComboBoxActionPerformed(MyClass.java:211) at abc.MyClass.access$000(MyClass.java:16) at abc.MyClass$1.actionPerformed(MyClass.java:110) at javax.swing.JComboBox.fireActionEvent(JComboBox.java:1240) at javax.swing.JComboBox.contentsChanged(JComboBox.java:1311) at javax.swing.JComboBox.intervalRemoved(JComboBox.java:1331) at javax.swing.AbstractListModel.fireIntervalRemoved(AbstractListModel.java:161) at javax.swing.DefaultComboBoxModel.removeAllElements(DefaultComboBoxModel.java:169) at javax.swing.JComboBox.removeAllItems(JComboBox.java:751) at abc.MyClass.updateComboBox(MyClass.java:58) at abc.MyClass.jMenuItemDevicesDeleteActionPerformed(MyClass.java:231) at abc.MyClass.access$300(MyClass.java:16) at abc.MyClass$4.actionPerformed(MyClass.java:154) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)

called once. Join them; it only takes a minute: Sign up Is there another way to remove all items of a JComboBox then removeAllItems()?

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