VS 2010 Adding Totals From List Box?
Apr 23, 2012
I am having problems with adding up the totals of the books in the lstcosts it works if I have only 1 book selected but the minute I choose more than 1 I don`t even know where its getting the subtotal from...It`s probably just something little of an error...but if anyone has a clue as to why the Sub Calculate() code isn`t working for the subtotal
HTML
Public Class ShoppingCart
Dim decSubTotal As Decimal 'subtotal variable
Dim decTotal As Decimal 'total variable
[Code]....
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May 2, 2011
I have 10 Numericupdown boxes in my Form from numericupdown1 to numericupdown10. I would like to instantly display the total amount of all ten numericupdown in a Textbox (textbox1) on the form. I don't want to have to push a button to get the total value of the numericupdown boxes.
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Apr 12, 2009
is there any way to populate a listbox with totals data from previous pages? I'm working on a project for a class where the final form needs to have all the totals from the previous 3 pages (each page has one total each), in some capacity (so I do not necessarily need to use a listbox if there is an easier way to do this).One thing about the previous 3 forms, two are set up in radiobuttons and one is set up w/a checkbox format (but I will likely change the radiobuttons over to checkboxes as a later revision).I just can't figure out how to populate the listbox with info from a previous form, I keep thinking load events, but that doesn't take into account which options might be taken from previous forms.once the totals from the previous forms have been added to the final form I will need to add a 7% sales tax. I assume that something such an if then statement will take care of that though.Just wanted to run that everyone here at the forum just in case there is a better way to do that.
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Mar 16, 2011
I am attempting to complete an assignment for my Intro VB class and it is giving me a good bit of grief.
The assignment calls for at least 8 checkboxes with corresponding labels and one more label displaying the total amount due. I know that I am supposed to declare a form wide variable and then add/subtract from the variable within the even for the checkbox being checked.
I get the appropriate amounts to show in the corresponding labels but they wont add in the total due label.
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Oct 7, 2011
I am trying to create a new item in a sharepoint list. Not getting any error messages but the item does not appear in the list.
Here is my code:
'Declare and initialize Lists Web service.
Dim listService As New Lists()
'Authenticate
[Code].....
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May 18, 2011
We are using VB.NET 2010 with Crystal Reports to generate reports for our project. The reports are filled from Data Sets that are filled from Arrays. As far as that goes all is working great.Where we are running into a headache is when we try to total up a specific column in the generated report. We have created a Group called EMPLOYEE that creates grouping by employee name. We cannot seem to figure out the necessary steps to get our AMOUNT column (Numerical field) to total in the EMPLOYEE group or anywhere else for that matter. No luck with Google (may not know what to look for...) no luck here and no luck with my CR book...
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Jul 14, 2010
i have a listbox, that i want to make sure the value im about to add to it, is not already in the list, here is what i have but it dosent put anything in the list box.
For Counter As Integer = ListBox1.Items.Count - 1I To 0I Step -1I
If InStr(CStr(ListBox1.Items(Counter)), hyperlinked(0)) < 1 Then
ListBox1.Items.Add(hyperlinked(0))
[code].....
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Apr 29, 2012
I am wanting to allow a user to enter a number and depending on what number is entered, it will allow that many entries. For example, if 5 is entered, the user has to enter 5 numbers. Those 5 numbers will then be added together.I 6 is entered, 6 total numbers will be added.I was trying to do this with a for next loop but I wasn't getting anywhere.
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Aug 9, 2011
building simple program that i could print index pictures to 11x17 size paper. and came across with listbox multi items selected and wanted to add them to different picture boxes?
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Jun 7, 2011
I am trying to create a simple Word doc that when the user presses the button it takes the information in the boxes and tosses it into a template style paragraph. But my issue is that I have two combo list boxes as seen in the picture. I want to have two values in the drop down list as seen in the labels next to them but for the life of me I can't figure out how to do this in Word 2007. In Visual Studio this is much easier but I am work and need to snap this out for the folks at work. Is there an option that I can choose in the properties where I type in the values for each drop down or do I have to add them in at run time?
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Jul 20, 2011
I am attempting to read the results from a SQL query into a List(Of) and I can see the List.count while adding items to the List increments, however in another part of my code when I am attempting to read the List the List.Count returns 0. My List is as follows:
[Code]...
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Apr 25, 2011
I have a class that has a property that I declare like this:
VB.NET
Private _DirectoryList As List(Of FileDirectoryInfo) ''' <summary> ''' Array of directories. ''' </summary> ''' <value>Object</value> ''' <returns>Directory array list</returns> ''' <remarks>N/A</remarks> Public Property Directory As List(Of FileDirectoryInfo) Get Return _DirectoryList End Get Set(ByVal value As List(Of FileDirectoryInfo)) _DirectoryList = value End Set End Property
[Code]...
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Jun 21, 2011
I recently downloaded VB 2010 Express so i am quite new to the language, but i have worked with dark basic, which seems to b very similar.Anyway, my problem is that i cannot seem to correctly set out my array of a custom type/class. i am trying to create two arrays, one of available entities and another of selected entities of which the user selects the entities to be dealt with in irrelevant ways. i have creates a button (called test) which adds some entities to the available list and all the entities come back the same value but they shouldnt be as you'll c in the code. i have run the step into command a found that "available.item(#).Name = " will change all of the entity's names.As of current i am working with lists as the array kept asking for a 'new' statement but i couldnt figure out where to put it.[code]
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May 4, 2012
I'm adding labels at runtime to my form with a tag. Let's say I have 3 labels with the tags, "1", "2" and "3". I'm adding the tags by counting the labels + 1. When I remove a label with tag "2" from the form there are only 2 left. When I add a new label it will add a new tag "3", but that one already exist. So my "solution" isn't a very good one Although tag "2" is free, I want to give it "4". Any thoughts on how to code this properly?
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Apr 10, 2012
I have an assignment to create a website that people can use to make dinner reservations. We are using Visual Basic code for the forms. It's supposed to keep running totals of each type of dinner. I'm having trouble getting the running totals to not reset to zero. I have them declared outside of the button click event. Not sure where I went wrong. Here's the code:
Option Strict On
Partial Class _Default
Inherits System.Web.UI.Page
[Code]....
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Nov 29, 2009
I have the program written and it is so close to functioning correctly, but a the end where I am trying to add the totals for the costs.
[Code]...
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Apr 12, 2009
I have yet another question. I have set up a series of radioButtons to create a menu of choice for a class project and am trying to set it up so that there would hypothetically be a discount on a purchase of two or more t-shirts, I have the coding set up so that if any one item is checked and the calculate button is clicked, then the dollar value or "total" will show up, however I am not able to set up a total for more that one item, it clears the previous "total" and sets up a new total for the most recent t-shirt value checked.
[Code]...
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Oct 28, 2010
Can anyone possibly take a look at my code (below) and tell me what I'm doing wrong? I have been sitting here for hours trying to figure it out. I'm very new at this and I'm thoroughly confused. I am using a book for Visual Studio "Programming in Visual Basic" and I have gone through all of the tutorials and code examples and followed them exactly (at least as far as I can tell). However, whenever I run the program, I am not getting the sum of the quantities I assigned to the constants showing up in"AccessoriesTxtBx" as I'm trying to. It shows up as $0.00 even when I have checked the boxes.[code]
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Jun 14, 2010
How would you take a numerical input from 10 text boxes and total it up and send it to a label. Then average the 10 numeric text boxes and send it to its own label. I am not asking for any code, I just need a hint or two to jog my memory. If this is not clear for you, I'll provide more detail.
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May 5, 2009
An ADOX (Access) database has five columns. ID, Date, Category, Store, Amount paid.It is possible to specify ten different items in the Category column: Apples, Oranges, etc.
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Mar 27, 2010
I am very new to Visual basic. I don't know if I even have everything in the correct order. Here's my problem. I am trying to take user input on 3 input boxes, get discount from select case and then calculate out the following. My problem is I can get the code to do a simple addition, but If I try to do any calculation at all calling the discount I get an error where the output totals to zero. I don't know if I am missing something associated with the sub getDiscount() or if there is a problem elsewhere.Ultimately this is what I want my calculation to end up as.
First calculation
Price * Entered Input * Discount = Full Discount Value
Second Calculation
Price * Entered Value - Full Discount Value = Total
[Code]...
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May 1, 2009
I've been working on a class project for quite a while, and I have not been able to figure out this step on my own. What I'm trying to do is connect the totals from three forms to a fourth page where I can then tally to those totals and then add 7% sales tax on the final total on the last page (I don't think I'll have a problem with the final part of add the 7% sales tax, but I'm not completely certain how to go about moving the totals through to that final form. Also, some of my forms use radiobuttons and one uses checkmark controls. I'm going to show some of the code that I have for each page in case this will make a difference. I think I need to do something with a public variable, but I'm not sure how to title that variable, and the public variable should have sub variable sections in each form, or if one specific public variable should be placed at the beginning of each form.I had also considering using a module to connect the totals in the forms together, because someone had suggested this, but I am not familiar at all with this method.
Code form1
Option Explicit On
Option Strict On
Option Infer Off
[code]....
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Mar 8, 2011
I am trying to get the totals from a datagrid, the code that I have (does not work) is:
Dim currentRow As DataGridViewRow
Dim Thetotal As Double = 0
For Each currentRow In MyFITNESSSDataGridView.Rows
[Code]....
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May 19, 2009
im doing a project ive got most of completed just for some reason its not calculating the totals?
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Oct 13, 2010
this place looks pretty reliable and helpful so i thought i'd give it a shot.anyway, i'm a student looking for help. i have to write a program that calculates costs for a catering company. i have that part down, but whats stumping me is that i have to make a summary button that adds everything up into a grand total from the previous calculations and display it in a message box. displaying and calculations aren't really my issues, but getting the data to calculate is.
i have an idea of what to do i just don't know how to go about it. i know i have to store the data somewhere, but i dont' know how to keep adding it up so i can get a grand total, so i'm thinkin there needs to be something there to count.
[Code]...
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Jul 27, 2010
I have this piece of code
For a As Single = 1 To Picture1.Height - 1
If a < TempArray.Length Then
' Some Stuff here that i really would love not to share
Else
[code]....
I get an error when i try to add the Array TempArray to the List of Boolean TruthBool... The Error Says QuoteObject reference not set to an instance of an object.The Variables are declared like this
Dim TruthBool As List(Of Boolean)
Dim TempArray(10000) As Boolean
I know there are a couple of other problems with this code.. and i have solved most of them in my actual program.. I just cant get this error to go away...
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Jan 28, 2010
I'm learning how to add items from a list box to a combo box. I'm trying to follow what's going on in the function loop and comparing a boolean and selected index. I can see that it's comparing the item chosen to each item already in the combo box to make sure that it's not already there. If function finds that it's not in the list it sends back that it is true that the item is not in the list.
It then continues to the statement that adds item to the list. The code for the double click event is working fine and items are getting added to combo box. However, the code for the add button isn't functional. I'm not seeing why it doesn't work? I coded out the original code, and replaced with something I thought might work but it still isn't functional. [Code]
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Mar 9, 2009
[Code]...
Mod Edit: Please use code tags when posting your code. Code tags are used like so =>
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Nov 9, 2011
I have an Object structured as follows:[code]I thought this would work but I keep getting the following error: Object reference not set to an instance of an object.
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Mar 29, 2011
Everything in my program is working correctly so far. The only problem I have is trying to update my totals for the program. I need to show total sales, total pay, and total commission for the program by using the file and then summary key. How the program works is that you get a base pay of $250 and you get a commission rate of .15 if you reach 1000 sales. I have done running totals before but not for one with multiple functions.
Option Strict On
Public Class CommissionForm
Const QuotaInteger As Integer = 1000
Const BASEPAYInteger As Integer = 250
Const COMMISSIONRATEDecimal As Decimal = 0.15D
[Code] ......
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