Forms :: Dynamically Change Combo Box And Save Changes?
Aug 11, 2009
the following code will update the combobox list with new entries and even move repeated entries to the top of the list. I want to save the list so that the next time a user opens the program, the previous list appears in the combobox. Not sure how to accomplish that.
Private Sub btnCheck_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCheck.Click
're-declare "strComputer" to get value from combobox "combComputer"
Dim strComputer As String = combComputer.Text[code]....
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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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Apr 9, 2010
Is there a way to change label text at run time?. I don't want to annoy users with popup. So planning to display error in a label if its text could be changed.
So far I have included a Main Form which has a label lblErrorFeedback which is not visible initially and I have done this but does not work.
lblErrorFeedback.Visible = True
lblErrorFeedback.Text = ""
lblErrorFeedback.TextAlign = ContentAlignment.MiddleRight
lblErrorFeedback.Text = "Error Occured"
Is there a better way to show the error with out popups?
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Sep 17, 2009
I'm trying to figure out how to change the background color of a combo box for every item in the selection.[code]This method seems to set the whole combo box back color to whatever the last color was.The color does not change per item.
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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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May 27, 2011
how do i program by saying if a certain item is selected in a combo box then that item will not appear in a second combo box. i have this code for now but it does not work
[Code]...
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Jun 18, 2012
I am working on desktop application. I had created number of dynamic textbox and label and I want to save that data on clicking the save button.
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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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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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Apr 20, 2010
How do you manipulate a string that you have selected from a Combo Box that has been upated dynamically from an MS Access Database table?I have strings that are "1, Surname, Forename" and need to get both the number, and the surname out to put back into a different database table.
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Jan 18, 2010
I have a combo box in my vb.net webbrowser when during a particular session the cobo box displays the all pages visited when the form is closed all vanishes[code]...
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Feb 15, 2012
I have a form with one combo box and text box and buttons. please refer the snapshot with i have attached.I have the following code:
My Stored Procedure for inserting the data:
/*
Name: usp_InsertBranchSetup
[code]......
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Aug 6, 2009
My download manager records the history of your downloads, The problem is that I can't seem to find a code to save the Items in that combo box in a txt file.
I tried this but did not work:
SaveFileDialog1.ShowDialog(ComboBox1.Items)
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Apr 2, 2010
How do you save items in a combo box?
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Feb 15, 2012
I have two combobox in a form: Cb1 and Cb2
When I load the form, Cb1 and Cb2 are connected to a bindingsource.
When I change Cb1, the code (below) changes Cb2 to show only the items according to Cb1
This is working fine.
The problem is when I change Cb1 , change Cb2 and click the save button..... Cb2 seems to be 'lost'...
I'm using VS2008.
CODE:
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Nov 11, 2011
I'm reading data from Excel and processing the file line by line.
If the process succeeds then I need to delete that row from Excel and save it. If it fails, then continue with the next line and so on.
Initially I used OLEDB to read data from Excel, but by using this I cannot delete rows.
I think we can solve this by using COM component.
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Oct 1, 2009
I have a code that dynamically generates some pictureBox-es. What I want to do is to save them so that they will aslo appear the next time the application is opened. Also i don't want to use an external configuration file so that the controls are generated on file-read.
Also I also have some controls that are generated by the designer
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Dec 14, 2010
I have a combo box, that i have linked to a text box, to save continious data. How would i save the contents of that combo box?
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Sep 27, 2011
I have a web browser control in my windows form. I am trying to automate some process in a website. During this process, the invoice pdf has been generated dynamically and shown in the web browser control. I need to save that pdf locally. Please note: there is no direct link to download the pdf. I googled a lot past couple of days and haven't found any solution yet.
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Apr 3, 2011
i am newbie in vb. and i facing a problem in database update into the access database. well, because of my windows have combobox and textbox. i dont have any difficulty in textbox update into access database, but i face a difficulty in combobox. and my combobox have 2 item in it. anyone can teach me? anyone can provide me some coding example and detail examplation. because i am the type who look through the coding and learn form it.
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Apr 21, 2012
how to make this save multiple combo/text boxes instead of just one, here is my save code which
Private Sub SaveToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SaveToolStripMenuItem.Click
Dim Save As New SaveFileDialog
[Code]....
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Jul 26, 2009
I have a program that has a combobox. It always needs to be updated w/o redownloading the program, so what I figured was best is to keep a text file on my server that lists all items that should be in the combobox. [Code] This code works perfectly for a text file on my computer, but I am needing to do the exact same thing but from a text file on my server (http:www.example.com/textfile.txt).
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Jun 27, 2011
I am working on a site where the meta tags are set in a Masterpage in a section using runat="server". I can update the title, description, keywords, etc... through properties in the Masterpage code-behind, but how would I add or edit non-basic ones such as
I have tried the following, but it always returns 0 for the count.
Dim header As Web.UI.HtmlControls.HtmlHead
header = TryCast(Me.Master.FindControl("headerIdName"), Web.UI.HtmlControls.HtmlHead)
Dim count As Integer = header.Controls.Count
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Jun 1, 2011
I have close to 10,000 serverside pages, all of thse use the same stylesheet. I have created a new serverside page which is like a dynamic menu system to help find specific pages from the existing 10,000 pages quickly and easily.
The problem is, that if the serverside pages are accessed the old way using the old menu system, they should retain their old stylesheet. however, if they are accessed via the new menu system, they should use a new refreshed stylesheet.
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Mar 14, 2011
I'm trying to find a way to change the name of a text box if the name of the text box is first declared as such:[code]I tried the statement: Name = "SBox" & My. Settings. Row Countx but maybe this is wrong.To be very brief I'm trying to resolve this to under the following scenario:
1. Add a new text box to a tab page when user selects "add" button.
2. Each text box must be assigned a unique name
3. Data entered in each text box will be then be saved in my.settings (i.e., for each text box, there will be a corresponding variable/name to hold its text value)
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Sep 20, 2011
I have one web service reference in my project but it has two url one is live and second one is test,how to switch between these url dynamically in vb.net[code]...
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Jun 22, 2010
In my form, there is 1 Button and 1 Label.
There is no text in Label1 right now.
I have coded the button:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Label1.Text = "1"
End Sub
End Class
Now when i run the project, i click on Button1 and Label1 has text in it "1" as it is in the code.
I want when i again run the project, the text in the label should be changed once i click Button1.
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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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Sep 24, 2008
I have a Combobox, set to DropDown style that is bound to a Collection.I want to enable the user to type text in the edit portion of the combo and if the value is not in the list SAVE the data in a collection if it is not already in the collection, of course it wouldn't be if it was not
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May 20, 2009
How to change Icon of my form dynamically suppose when form load i want to check two flags
if flag=1
me.icon= BrandIcon
if flag=2
me.icon=ProductIconadil
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