Keeping Track Of Choices?
May 24, 2011
I have two combo boxes, and four buttons. When the user clicks "Add" on the first combo box, it adds a new item to the combo box with "New" and then lets the user rename that item to something else. That "new" item has to have an array of "answers" that go along with that item in the list. What I'm having trouble figuring out is assigning "answers" to the second combobox for each item in the first combobox and changing the second combobox when selecting an item in the first combobox.
EXAMPLE:
Item 1 - Combobox1
- Item 1 - Combobox2
- Item 2 - Combobox2
[code]....
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Dec 16, 2009
I want to know if the user clicked on the Ellipse (just the line of nonfilled ellipse)? I don't care if the click inside of it,JUST the LINE. I made a copy of the orgianal rectangle info before drawing it. And then I tried .contains on the mouse click? and that allows me to click everywhere
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Feb 10, 2011
I am trying to create a quiz application in Visual Basic 2008. I need to be able to store a score value when the player gets a correct answer. When the value is stored a new question set appears. Once the score is calculated I want to be able to show this is in a new form so the value needs to be passed from one form to the other. I'm not entirely sure how to do this but I believe it will incorporate a module.
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Mar 8, 2010
Suppose i want to draw semi-random ellipses on my form.Is there any way i can check if they get clicked at a later stage?Is there any way of storing the location of individual ellipses and then comparing the mouse-click to my list of locations to see if one was clicked?
I can imagine how it could be done with squares or rectangles, but i dont know how to approach it with ellipses.
Im sure this has been asked before, but i've spent a good while searching around for something i can use and came up emptyhanded.
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Jun 14, 2011
I have a WPF application that allows users to create questions of all different types which depending on the type will use a textbox,combobox,checkboxes, or radio buttons to allow the user to answer the question after they build some sort of questionnaire. My question is what is the best way to keep track of the answers across all the different controls after the controls are created and the questionnaire is created on the fly. Right now, i'm looping through all the containers and getting the values based on the controlType.
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Sep 5, 2009
I am trying to keep track of the total number of discounts given (whole numbers) I keep getting .75 after the first discount, and it adds .75 for every trans action after that. I have tried to pick it apart but I just don't see it. You can follow by tracking the comments that relate to the summary. I know that is an Integer but the book has it declared as a decimal so I went with it.
Public Class BookSaleForm
'Declare module level variables
Private QuantitySumInteger, SaleCountInteger As Integer
Private DIscountSumDecimal, DiscountedPriceSumDecimal As Decimal
Const DISCOUNT_RATE_Decimal As Decimal = 0.15D
[Code] .....
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Feb 15, 2012
I am trying (Push)add data into my stack (length of five) and (Pop)delete from the end of my stack.
I need to know how can:
- Add the elements to the stack with keeping track of adding and deleting from it (adding an element will increment until 5 and deleting would decrement until the stack is empty).
Private Sub Button1Push_Click(sender As System.Object, e As System.EventArgs) Handles Button1Push.Click
Dim Stack(4) As String
[CODE]....
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Aug 11, 2010
I am building a sort of 'lightweight' Visual Studio, and I'm trying to implement the feature where you can drag tabs to different 'tab groups', viewing multiple tabs side by side.
I got nearly everything working, I show a ContextMenuStrip when you rightclick the tab headers, with the option of creating a new (horizontal or vertical) Tab Group. When that happens, a new TabControl is added dynamically and the selected tab is moved there. You can drag the tabs around inside a TabControl and even from one to another.
The problem now is keeping track of the 'active' tab. Since I have multiple TabControls (not just two, there can be as many as you want theoretically), their SelectedTab properties are basically useless. How am I to determine which TabControl the user is currently working in? Obviously I will always have multiple selected tabs, but only one active tab, in which the user is currently typing, editing, whatever.I need to know the active tab for obvious reasons: many menu and toolbar items act on the active tab for example. A short explanation of my controls:I have one TabGroupContainer control, which inherits UserControl. I have a TabGroup control, which inherits TabControl.I have a Tab control, which inherits TabPage.
The TabGroupContainer holds a collection of TabGroups (to which I dynamically add/remove TabGroups when required). Now I want the TabGroupContainer control to have the ActiveTab property which returns the one and only active tab (out of possibly many selected tabs).The only logical way is to keep track of the tab that was selected last, for every TabGroup.
At the moment, I am doing this:
- In the TabGroup (TabControl) class, I shadow the SelectedTab property (and return a Tab instead of a TabPage). More importantly, in the property setter, I raise a SelectedTabChanged event:
vb.net
Public Shadows Property SelectedTab As Tab
Get
Return DirectCast(MyBase.SelectedTab, Tab)
[code]....
However, it still doesn't work. I soon figured out why: I am checking that the previously SelectedTab is not the same as the new value in the property setter of the (shadowed) SelectedTab property. I don't raise the event when they were the same, and in this case they were the same (as there is only one tab in the TabGroup!).So, I took that check out, and now it seems to work when I click in the text editor.
So one problem remains: the active tab is not changed when you click on the tab header (and not on the text editor). I am clueless as to how I should handle this... I am once again sure there is a simple fix, but I cannot see it. I can click the tab header, and I'm sure behind the hood it responds to this click, but it never raises it SelectedIndexChanged event because the index didn't change but was set to the same value it already had. I cannot override the SelectedIndex property (so I could skip this check and raise the event anyway even if the value didn't change), and the OnSelectedIndexChanged method is not called, so I cannot use that either...
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Apr 28, 2010
wondering if someone can help me some small issues I am having with building my first project.
1.I have comboboxes that allow users to enter their own choices in and then their choices are displayed into the gridview.
the problem I am having is this is allowing me to duplicate choices. for example:when I run debug to try my boxes, I can type in Johnathan into the combobox as many times as I want to and it adds is to the combobox list..so now I got 10 johnathans in my combo box.and then to make things worse, when I hit the button I made to send choices to display..it causes duplicated choices to show up in the display.What I figure is that it is easier for me to just prevent duplicates in combobox.
2.Lets say on one of 10 comboboxes I got...lets say someone skips the box and doesnt make a choice...my grid will then display the last choice made.. (man o man)for example:John chose in his boxes and is displayed on gridview: Combobox1 (john) Combo2 (5:00 PM) combo3 (waiting)now lets say I come up to the computer and in Combobox1(Dcurvez) Combo2( i skipped and didnt enter a choice) and Combobox3(In Progess)
The display will put Dcurvez....5:00 PM.....In Progress because I didnt make a choice in the time combobox..it put in the last choice (Johns) as 5:00 PM Can someone in very simple terms tell me how to fix this problem?? I am using visual studio 2008 and vb/vb.net as language this is not a webpage, btw. it is for in shop computer just.
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Dec 14, 2009
I'm new to visual basic and I've put all forths of effort towards this program and I can't get it to work. I know one reason is I don't know how to add my choices to the first two list boxes.
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim RegistrationFee As Integer
Dim LodgingFee As Integer
Dim Days As Integer
[Code]...
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Sep 10, 2010
I have visual basic 2008 express. i am learning through videos at LearnVisualStudio.Net and the next step is to add item which is the sql database. i don't have this as one of my choices? am i suppose to have it with express? if not, can i get it somehow and add it to my Add Item list as one of my choices? I have the local and the server database but the video i'm following has an SQL database. Again i am just learning so be easy on me.
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Dec 31, 2008
I have 2 comboboxes, textbox and a cmdbutton. When the user makes a selection in one combobox I want it to filter the choices in the second combobox. Then when the user clicks the button it passes the values from the comboboxes to a stored procedure and populates a datagridview. I am using VB.net 2005 and sql server 2005.
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Apr 9, 2011
I have a combox with a bunch of choices already populated.
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Sep 7, 2010
We are looking to port our existing classic ASP application to .NET, but we're unsure of what language to use for the new app. I personally would 'prefer' C#, as I'm more familiar and comfortable with that languages way of doing things, but, the original code is VBScript, so it would possibly be easier to port to VB.NET ... One possible situation I fear would be that, because the code is so similar between the two variants of VB, that we might end up getting stuck on something that is not similar between the two, even though it looks like it would work. A shift to a wholly different language might avoid that kind of situation. Does anyone have any practical examples of this kind of situation? Insights to illuminate the issue with? Do the potential benefits of a complete paradigm shift outweigh the gains from a high degree of 'copy-and-paste-ability' ?
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Apr 4, 2009
i'm trying to display a random messagebox that displays a message associated with a character. the character image displays and the user clicks a button to guess the character if it is correct, one of three messages should randomly appear that is associated with that character (there are 4 characters, so there are 12 possible messages total. 3 for each character) but as it stands now, the picture box on the form displays the character name so the user doesn't have to guess which button to push. i need to remove the name from beneath the picture so only the buttons have the name and the user is forced to guess and i don't have the messages randomly popping up. only a messabebox that says correct i added a message box in the code but i can't figure out how to randomly get the messages associated with the characters to appear?
Imports System.IO
Public Class Form1
Dim currImageIndex As Integer = 0
Dim characterNames As String() = New String() {"Donny", "Jesus", "Lebowski", "Walter"}
[code].....
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Oct 5, 2011
I am currently programming in Visual Studio 2010 within VB.NET and am using DevExpress v10.2, specifically WinForms. In the DevExpress GridControl at runtime you can click on the right side of the column header and choose which values in the column you want to show. For example if your table contained:
Name1 Checked
Name2 Unchecked
Name3 Unchecked
Name4 Checked
Then if you click on the right side of the checkbox's header you can choose checked (or unchecked) and it would display only the data that is checked (or unchecked). In this case with checked you would have:
Name1 Checked
Name4 Checked
I was wondering if there was some way to override the names so instead of letting me choose checked or unchecked I could override it with 'owned' and 'rented' or 'active' and 'inactive' based on what the checkbox represents in that specific column.
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Dec 14, 2011
I'm building a game using the traditional form view on VS2010 and I'm trying to change the colour of a label's text depending on its contents. I believe I've coded that fine, but the problem is that the settings for the label in the designer view pane are overriding my code!Is there a way to disable certain options in the designer view so that my code can work?
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Sep 15, 2010
I've been trying to write a vb program to help me login to a website! I've managed it with HtmlCollection, but the problem is that on the next page there are a few choices that need checking and it goes kind of crazy. Is there any way to login to the website, fill the choices and then navigate further?
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Jan 25, 2011
Can't seem to find code for radiobutton to hilight multiple choices from listbox, e.g.
If radiobutton1.clicked = true then
listbox1.selecteditems = "apple" "cherry" "pear
if radiobutton2.clicked = true
listbox1selecteditems = "apple" "cherry" etc....
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Feb 17, 2009
how to save the users radio buttons choices to load into a file. I have a button which controls the If statements to determine the price of the configuration. I was wanting to save these choices that the user made. I thought I could do this by altering the If statements but I don't know if thats the right way. I've got 3 different groupboxes with 3 options in each.
Heres a part of the code for the IF statements:
Private Sub UpdateConfig_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles UpdateConfig.Click
If Choice1Option1.Checked = True And Choice2Option1.Checked = True And Choice3Option1.Checked = True Then
PriceShow.Text = Prices(0, 1)
TextBoxProcessor.Text = Choice1Option1.Text
[code]....
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Aug 1, 2011
What is the simplest and most straightforward way to: Create a local dB with a table with 2 fields (a string, a number) Determine is string s is present in the dB Add a record into the table consisting of a string and number Delete a record based on the string Get the record for a particular string Get the record with the highest number
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Mar 10, 2009
I have a project that has several combo boxes on one form. The selection in a box can affect the possible choices in subsequent boxes. Right now I am using SelectedValueChange to fire the code that loads the choices in the later boxes. There are a number of possible events that I could use:SelectedIndexChangedLeaveLostFocusTextChangedI was wondering if someone could give me a rough idea what the differences are between these. Is there a 'best' evnet to use?Also, I find that most events work when the choice is made with a mouse click but if you click in the box and type in a value an event does not fire. How can I program for the case where the user enters a value by typing it in instead of choosing from the drop down list?
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Oct 16, 2009
In the following code, a local printer dialog box shows and its choices are implemented in the printout, but if the user goes to a 2nd-level printer dialog box such as by clicking an Advanced or Properties button, choices made therein (such as landscape/portrait or scaling) are not implemented in the printout (prfPrintForm is a PowerPacks.Printing.PrintForm on form frmPlotTrends). Is there something else that must be done to make the 2nd-level dialogs work?
Dim dlrResult As DialogResult = frmPlotTrends.dlgPrintDialog.ShowDialog()If (dlrResult = DialogResult.OK) Then frmPlotTrends.prfPrintForm.PrinterSettings.PrinterName = frmPlotTrends.dlgPrintDialog.PrinterSettings.PrinterName
frmPlotTrends.prfPrintForm.PrinterSettings.Copies = frmPlotTrends.dlgPrintDialog.PrinterSettings.Copies
frmPlotTrends.prfPrintForm.Print(frmPlotTrends.prfPrintForm.Form, Printing.PrintForm.PrintOption.ClientAreaOnly)End If
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Oct 11, 2009
I am attempting to output data from a list box with the possibility of multiple choices selected(frmPrint) and output the data froma another list box frmMain. The code posted does nothing. I can get this form to output everuthing but multiple items selected by the user. I am a student and I have been working on this problem for a long time with no luck.
Private Sub btnAddBooks_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAddBooks.Click
Dim intCount As Integer = 0 ' Counter
Dim mainForm As New frmMain ' Form instance
Dim strInput As String ' Input
[code]....
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Jun 14, 2011
[Code]...
I'm making a combobox on a form. I want the combobox to have a list of choices from a table in a db. The two columns are a String and a Date. I want the date column to only show the year. I'm hoping I have the code right as it is above, but I'm not positive I've done the whole date thing right.
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Dec 9, 2009
How can i get the combo box to keep the value that was partialy keyed in and completed with auto complete.Pressing enter doesn't select the value so when you tab out it keeps the entered auto completed value. The only way to keep the auto complete value is to click on the combo box with the mouse and then tab out of it. I would like some how of being able to tab out of the combo box and it keep the auto completed value that the user has entered so as to save time entering data so no mouse clicks are needed and the data grid view can be tabbed through and all data entered from keyboard.
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Mar 31, 2009
I have a program that requires login and I have that part working, but I'd like to be able to tell which user has logged in. There's a database with the user info (ID and password) but I'm not sure how I can have the program record which user has logged in.
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Jul 7, 2011
I have developed a very simple application that disables system keyboard commands (ctrl+alt+del, alt+tab, etc), hides the taskbar, hides the desktop, etc.Upon entering a password the user can 'unlock' these options.This is being used with a restaurant POS system so no accidents can happen. However there seems to be one minor issue:In a separate software package (the POS software), at specific times, any application that is running (my locking application) will get focus and end up on top of the POS software.I want my locking software to remain underneath all running applications. Anyway to keep my locking application from gaining focus? I was thinking of maybe adding some line of code to send my locking application into the background whenever it gets focus..
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Aug 31, 2010
I have been working on a VB app to edit an excel document. I want to keep my excel workbook in scope for the whole app.
For example here is how my program looks now
private sub
open workbook
end sub
private sub
reference workbook
end sub
I want a way to just call my workbook at the top and have all of my subs recognize it. I guess like a global variable or something.
[URL]
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Apr 23, 2010
using Vb net (2005) Wandering if it is possible to use AppSettings in this case: Keeping counts how many time my Win Form app. has run, could someone show me if this can be done
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