Change A Value Of 1 Combo All Other Combos Change Automatically / Show Same Value As One That Was Changed
Aug 15, 2011
I have 10 Comboboxes in a form. All these combo boxes have databound items which come from the same column in a table in the database (access 07) (Am designing a billing software, and these comboboxes show the items (10 lines of them).All these combos reside in one Groupbox.Now for the strange (scary/funny) part, whenever I change a value of 1 combo, all the other combos change automatically and show the same value as the one that was changed. (strange!).
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Dec 2, 2009
whats wrong with my code?if i change the item from the combo box..the textbox not change or has an error?
conn = New MySqlConnection()
conn.ConnectionString = "server=localhost; user id=root; password=12345; database=gigzta; allow zero datetime=no"
strsql = "SELECT accNo FROM accinfo WHERE (completename LIKE '%" & ComboBox2.Text & "%')"[code].....
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Jan 13, 2010
I'm working on a simple base form in which all the other forms in the project will inherit. This base form only adds 5 properties (at the moment) dealing with painting a gradient background. The problem I'm facing right now is when I change a property on Form1 (the test form) and click run it doesn't show that change. I also checked the .designer.vb file and when I make a change it's not added to the code behind file, I'm at a loss right now to why.
[Code]...
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Apr 9, 2009
I have a treeview and text box below it... is it easy or even possible to allow a user to change the height of the treeview which will automatically change the height of the textbox so there is no gap between them?ie one gets bigger the other gets smaller etc etc
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Jan 12, 2012
I've got some code like the following. I want it so that when I chose an item in 'select 1' it changes the in the second combo box but I'm not sure of the best way to go about it. Does it have to be AJax or can it be done with just Javascript?
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
[code].....
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Sep 2, 2009
I have a data entry form with many text boxes/combo boxes/controls. I want to change their bgcolor everytime the user makes a change so they are aware of what changes they have made before commiting.
My plan is to store the original value in the tag and comapre in the validated event.
I don't won't to write the same code everytime I need a control to behave that way. I've never written a customcontrol before.
how to achieve this by probably subclassing the control and reuse the code regardless of the type of control it is?
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Aug 5, 2011
"write sub prototype for a procedure whcih is named my data and has first parameter as a string which can be changed and second parameter of an integer which cannot be change"
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Apr 16, 2011
After packaging my created program.... and install it.... if i install it in my system its ok... but if i install it to other system... some labels... changed position....
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Jun 17, 2010
Is there a way to set the IDE to automatically update all usage of a variable when the case is changed in the declaration? I know ... if I typed it correctly in the first place it wouldn't matter! And I do know how to use search/replace, I'm just lazy.
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Jun 15, 2012
Code for button:
Protected Sub btnAdd_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnAdd.Click
Dim li1 As ListItem
Dim addList As New List(Of ListItem)
[code]....
Updates are happening on the load of a dropdownbox This has something to do with autopostbacks and the page load I think, can someone please help When I click the add button even if I have selected an item in the listbox, it will always return an error message. I don't think the listbox changedselected item is firing.
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May 25, 2010
I have made several changes to the columns in an Access db, such as additional columns, column type changes, etc. how do I now incorporate those changes into my datasource? Do I need to delete the datasource and create it from scratch?
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May 17, 2011
1.Multiple monitors are connection to one computer and they are extended.
2.My window spans to two monitors (Any window like notepad or settings wizard).
3.We change Visual Style From ON to OFF ( i.e. Changed theme from basic and high contrast to Aero or vice versa)
4.The window which was present on two gets shifted to either primary or secondary monitor.
5.This behavior is ok with normal application but I am developing such application which fails if window moves away.
6.I have added handler to check if user changes theme or visual style using :
AddHandler SystemEvents.UserPreferenceChanged, AddressOf UserPreferenceChangedHandler And in UserPreferenceChangedHandler I have checked if UserPreferenceCategory.VisualStyle changed and if it is changed then I have reset the window position back to old values before theme changed , but still it not reverting back to old position.
7.One strange behavior I observed is, it works if I set break point and step through code , but if I remove it then it's not working.
a. Added handler to catch user preferences changed event.
Private Sub RecordingWindow_Load(sender As Object, e As System.EventArgs) Handles Me.Load
AddHandler SystemEvents.UserPreferenceChanged, AddressOf UserPreferenceChangedHandler
End Sub
b. Copied old position
Protected Overrides Sub WndProc(ByRef m As System.Windows.Forms.Message)
If m.Msg = WM_MOVING Then
' Console.WriteLine("Window is moving")
[code]...
d . This is additional code which i tried instead of WndProc
Private Sub RecordingWindow_LocationChanged(sender As System.Object, e As System.EventArgs) Handles MyBase.LocationChanged
_windowLocBeforThemeChanged = Me.Location
End Sub
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Nov 10, 2010
I am trying to migrate from Access Database to SQL server database. Do I need to make changes (for saving, reading, deleting etc. data) to my code as well?
I understand I need to change connection but what about code?
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Feb 22, 2011
dim oXT As New Generic.SortedDictionary(Of String, MyClass)
[Code]...
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Jun 21, 2010
Change a new day and date after clock shown 00:00:00 AM.
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Jun 21, 2010
need to change the year automatically...ie i have given year 2009 in the text box, but it should change along with the change of the year. do anyone know the code for this.
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May 4, 2012
So.. I created an full-screen application. It worked out perfectly on my own computer, but at my friend's computer, it was totally ****ed up. I guess it's the screen resolution. So, here's the question: - How do I automatically change the forms resolution, based on the screen size? (I don't want the user to do it manually...)
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Dec 23, 2011
i just started learning visual basic and i need some information i am using rich test box to input some text say like"RED BLUE GREEN" i want the Rich text box to automatically change
[Code]...
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Feb 4, 2012
I'm using Visual Studio 2010 / VB / dot net 4.0, and I have a drop-down menu in my left column that switches resource languages for the end user. It reads like this:
--------English ------- <<- Engish is always the default top language option
French |
Spanish |
[code].....
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Jun 24, 2009
I want to know is there a way to change the color of the combo box arrow icon, i want to change it from Blue/Standard to black and White i.e black backgroundfor the arrow and the arrow is white.Regards Archana Muralidhar
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Jun 14, 2010
How can I make a richtextbox automatically change the font size when the text exceeds the length of the textbox. So basically the text is always visible without moving left or right.
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Feb 13, 2010
How do I transfer the value of a variable and place it into the text property of an object on form load?
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Feb 6, 2012
I have 3 paragraphs of text on a page...I want to change the font size of the paragraphs after every 3 seconds. What I want is when the page loads para 1 is 10px and para 2 is 8px and then after 3 seconds para 2 is 10px and para 1 is 8px. I mean like using an update panel or something?
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Jan 24, 2010
I have a standard DataGridView. One of the columns is a DataGridViewComboBoxColumn. When I select one of the ComboBox items, I want to trap the change and add additional columns based on the item selected in the ComboBox. I've tried using CellValueChanged for the DataGridView column, and a bunch of other events, but none of them is fired when the DataGridViewComboBox value is changed. What event can I trap to make this happen? Right now as I said, I am using CellValueChanged, but of course the event doesn't fire until I click on another cell...
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Sep 26, 2011
I've got this label, which changes to a random word each time a user presses a button.. But sometimes the word is too long to fit on the label, so it does this (Picturte below) How can I check if the text on the label has been cut, so I can automatically change the font to fit?
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Jan 24, 2010
I have a standard DataGridView. One of the columns is a DataGridViewComboBoxColumn. When I select one of the ComboBox items, I want to trap the change and add additional columns based on the item selected in the ComboBox. I've tried using CellValueChanged for the DataGridView column, and a bunch of other events, but none of them is fired when the DataGridViewComboBox value is changed. What event can I trap to make this happen? Right now as I said, I am using CellValueChanged, but of course the event doesn't fire until I click on another cell...
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Jan 26, 2010
is there a way so that a button will get it's Text Property from an array on form load?
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Sep 27, 2010
ok, got a question here, two really. first i'll ask the hard one, as i think i have my other one out of the way so i'll save it for later but i made a program where a user enters in dimensions in several text boxes in inches. there are radio boxes that the user decides what thickness of wood they would like to use. what i'd like to do is add metric into the program and use two combo boxes. one combo box drops down and you can select inches, centimeters, or millimeters. the other one drops down to choose the thickness of the wood.ok now here's my question. say i pick inches in the first combo box, i'd like the second one to display only the thickness of the wood in inches, no metric. if i pick centimeters, i'd like the second combo box to display the thickness of the wood in only centimeters, no millimeters or inches. and the same goes for millimeters.i also have the program on a timer that runs at 100 milliseconds so the user can quickly see the differences in dimensions they put in instead of having to hit the calculate button over and over and over (not sure if that really matters or not, had a couple issues with the boxes earlier but don't think it was timer related now)but is this possible? basically just looking for the kinds of drop boxes that you see on a page like autotrader.com where you select dodge, and then only the dodge cars are listed, select chevy and the chevy cars are listed, etc.
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Jan 24, 2010
I have a standard DataGridView. One of the columns is a DataGridViewComboBoxColumn. When I select one of the ComboBox items, I want to trap the change and add additional columns based on the item selected in the ComboBox. I've tried using CellValueChanged for the DataGridView column, and a bunch of other events, but none of them is fired when the DataGridViewComboBox value is changed. What event can I trap to make this happen?
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Jan 7, 2012
I would like to move the cursor automatically to a text box when I change it from invisible to visible.
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