Create A List Of List In That Would Like To Work On Multiple Accounts At Same Time
Oct 24, 2011
i am trying to create a list of list in that i would like to work on multiple accounts at the same time. lets say i have 5 accounts. every account has a seperate name. each account has a few fields. so i though of having a list of bookkeeping (with 5 accounts) and a list of accounts (with expense, income, tax, status, etc as fields). [code] and if the idea of using list of list works how do i loop through both lists.
VB 2010 express. I have a situation where I want to create multiple list(of string), in a sub routine during run-time, where the list is available to other subs and functions in the same module, either to populate, edit or delete. The quantity of lists, names of the lists and their capacity will not be known until run-time. What would be the method and syntax for doing this?
I am trying to create a list that will add information each time someone submits the form. I keep getting the error:Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index..I know I am getting the values passed from the Class since I can output it to a message box. But when I try to create the index it crashes every time.[code]
Is there anyway to return a list of all user accounts on a PC running windows vista business edition using VB2008?I am trying to integrate a type of security in my application using what it already implemented in windows.
II am trying to create a toggle button that switches a list to a range and then back to a list if needed. I am able to get it to do both but when I add an item to the list, convert to a range and then convert back to a list it leaves off the last items I entered.I tried to work in a code to select all cells but I must not be putting it in the right place.This is what I have so far:
I would like to create list of child objects from list of parent object. Like If i have list of bookingroom which has one member room then i would like to create list of room from it.
eg. code:
Dim BookingRoomList As List(Of BookingRoom) = New List(Of BookingRoom) Dim RoomList As List(Of Room) = New List(Of Room) BookingRoomList = BookingRooms.FillGrid()
[Code]....
Is there any short cut method instead of iterating over for earch?
This is probably a really basic question - but I have a list of items (custom objects) being passed from one winform (.net 3.5) to another. I want to create a local list to store changes that only get persisted if the user clicks save. Currently if the user clicks cancel - the changes are still applied in the first form because I assume the objects are reference type.I have the save working as it calls a service layer to do the save and then refreshes the other form - but not the cancel.
I am trying to create a program which will allow users to select multiple files from a list and then burn them all to a playable DVD. It would be wonderful if i could setup a custom menu programatically as well. I have seen some documentation on Imapi 2.0 but i have not been able to find too much suppoert for it. I have also found a few SDK's out there but most are over $1000 which just isnt in the budget.
1) Is there a library included in windows 7 that will allow me to do this.
2) Is there an inexpensive or open source sdk with good documentation out there to do this with
How can I get a new distinct list from an existing list using LINQ? This is what I have so far and it is not distinct but does give me a new list.
Dim tmpQryColumn = (From a In _allAudits Select New CheckBoxListItem With {.Id = a.AuditColumn, .Name = a.AuditColumn} ).Distinct() _columnList = New List(Of CheckBoxListItem)(tmpQryColumn)
I am able to only add controls that are of type TextBox. My question to you is, can I create a List to hold more than one control type or do I have to create a list for each control type?
The idea with this form is to add the futures which is calculated when the button is pushed but I need the list to update every time and show the values each time to which the previous value is added to the new calculation, e.g. of what it should look like in listbox:
Year 1: $1,290.93 Year 2: $2,724.32 Year 3: $4,350.76 etc....
I have been working on this a while and I am at a standstill, I was given a function to clear the form everytime it calculates but I don't know how to implement it, I am new to VB. Here is what I have so far:
Public Class frmFutureValue Private Sub btnCalculate_Click(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles btnCalculate.Click
i am trying to put the contents of a listbox into an array using listcount so i can sort and manipulate the data in the listbox using linq. Everytime I try to use list**** it errors and tells me that listcount is not a member of systems.windows.forms.listbox It also gives this error or list. Here is the for loop i am trying to use to put the data into the array.
[code] For i = 0 To displayListBox1.Listcount - 1 sorting(i) = displayListBox1.list(i) Next [code]
i dim'd i as an integer and sorting() as a string early in the program as class level variables. displayListBox1 is the name of the listbx containing the data I need to use in my LINQ inquiry.
I'm trying to learn how to work with Collections list. In the past, if I wanted to create a list I would use an array and then save it to a text file after I was done manipulating the data via CSV.how to save things of different types to a list such as:
Name, Birthdate(as date), Salary
I know how to do this in an array but all the synapses aren't firing with the "new to me" collections list as collections lists are hard typed....
So I am trying to code something in vb.net 2010 which will have a list box. For example:
1) Apple
2) Pizza
3) Juice
How would I display Line number 2 or any other to the user - I tried doing it with a label box like this Label1.Text = ListBox1.Text(2) - does not work.
I have 3 check boxes on a form and am trying to code them to change the font in combinations of Large Font,Bold Font, and underline font.I coded the bold font check box and large font check box but cannot get the Bold and large font to work at the same time.
Okay this is the simple thing I'm trying to accomplish. I can get richtextbox1 to add to listbox 1. but i cant get both to add. the compare works fine. I'm stumped.
Public Class MortgageDetailsCalculatorForm Private Sub CalculateButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CalculateButton.Click
I am building help files for a program using HTML Help Workshop.I have been trying to manually add files to the project file list as I write them, as HHW doesn't do so automatically.But it doesn't seem to matter whether the files are included in the list or not.When I compile, it tells me if any are duplicated, but it doesn't tell me if any are missing.(I have deliberately removed some to see if it makes a difference, so it's not that I haven't left any out.) And, whether they are in the list or not, the compiled help seems to find the files it needs.What is this list of files for?What files need to be included in it - html, css, images, maps? Why doesn't it seem to matter if my files are included in it or not? Is there any way to add files to the list other than one at a time? (e.g specify an entire folder?
I have List (of class). having 1800 of count and each object has 90 properties. When I terate earch with 90 properties taking more and more time. How to resolve this
Dim cellIntStyle As HSSFCellStyle = hssfworkbook.CreateCellStyle cellIntStyle.DataFormat = HSSFDataFormat.GetBuiltinFormat("#") Dim cellDateStyle As HSSFCellStyle = hssfworkbook.CreateCellStyle
I'm trying to create a program where a user has to login. However, I also want the user to create their own account and login with it whenever they want. For this I have 2 forms (frmLogin and frmCreateLogin).frmLogin has a username, a password and a login button, aswell as a linklabel connecting it to frmCreateLogin, here is the code for it:[code]I haven't added any code to frmCreateLogin because I don't know where to start. Can anyone nudge me in the right direction, as I have no idea how to code this.
I am using VB.NET and .NET framework 3.0I am currently sorting a list like this: lstPeople.Sort(Function(p1, p2) p1.LName.CompareTo(p2.LName))However, now I want to sort by FName as well after the LName. So it sorts first by last name and then by first name.
