Removing A Delimiter From The End Of A List?

Jun 28, 2009

I've been working on this program all week and I've been able to finally get it to work except for one problem. The program is suppose to parse strings from a text box to a list box and then from a list box to a text box using the users choice of delimiters. I can't seem to figure out how to get the last comma off the end of the list. ie cat,dog,elf,It seems it should be easy, but since I've worked on this program so long I believe I can't see the forest for the trees. I don't want for you to do my work for me.

[Code]...

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Load A Text File Into A List Box Using A Delimiter?

Jul 20, 2009

Alright, im trying to load a text file into a list box using a delimiter(sp?)I have 2 list box's lstFirstName and LstLastName I have the code to load it into a list box

r = New IO.StreamReader("c:\test.txt")
While (r.Peek() > -1)
lstFirstName.Items.Add(r.ReadLine)
End While
r.Close()

And at the moment this will just load the whole list box, how can I use a delimiter to split it up?So John Doe in the text pad will show up as lstFirstName: John lstLastName: Doe Sorry if im not all that clear, if you dont understand I will try to explain it clearer.

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Convert List Of String To A String Separated By A Delimiter

Apr 15, 2009

Whats the best way to convert a list(of string) to a string with the values seperated by ,

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Removing Item From List?

May 10, 2011

My code is supposed to remove item from list but its not removing item.

[Code]...

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Removing Items From A List Box?

Jun 8, 2011

I have button that adds items to a list box and a button that removes it...the one that adds it works great but when i select an item to remove it doesn't remove it..i don't know if there's something wrong with the code or not..

Private Sub btn_Remove_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn_Remove.Click
list_MyOrder.Items.RemoveAt(list_MyOrder.SelectedIndex)
prices(list_MyOrder.SelectedIndex) = 0
MsgBox("Select any item to remove")
End Sub

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Removing Item From TimeSpan List?

Sep 26, 2010

I'm trying to remove an item from a TimeSpan list but I need a TimeSpan for the index? If I use a List(Of String) it works fine if I use an integer for the index, but if I use List(Of TimeSpan) it wants a TimeSpan for the index. I have declared a variable like so:

vb
Dim TempTime, TimeRemover As List(Of TimeSpan)

but when I try to remove an item from the timespan it says it needs a Timespan and not an integer. Say I have:

vb
For x = 0 To 3TempTime.Remove(x)Next

That doesn't work, but if I have:

vb
For x = 0 To 3TempTime.Remove(TimeRemover)Next

It will work How can I just remove an item from a TimeSpan list?

EDIT: Figured it out, RemoveAt was what I was looking for.

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Removing Items From A List View?

Jan 31, 2010

I have a form with 2 listview's and I want to remove that items in the listview1 that area duplicated on the listview2.

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Removing Items From A List(Of T) Failing?

Dec 17, 2009

I have a generic list that I'm removing items out of using List.Remove(Object). I have been removing items but whenever I get to the fifth item I'm removing it fails and does not remove it from the list. It doesn't seem to matter what I'm removing but everytime I try to remove five items it fails on the fifth item.

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Removing Multiple Items From A List Box At Once?

May 2, 2010

If I have 3 times selected and when I click "submit" for example I want all my selected items to be removed, but when I try to do this only my first selected item is removed.

ListBox.Items.Remove(ListBox.SelectedItems)

How do I remove all 3 items from the list box at the same time?

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Removing Multiple Selection From List Box?

Mar 19, 2009

How can I remove multiple Item selection from list box ?

Private Sub rf_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles rf.Click
If Not (pb.Image Is Nothing) Then

[code].....

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Removing URL From List In Text File

Nov 12, 2009

I am attempting to get my program to store its, in this case, a Url list in a text file. This should be relatively simple and so far it has been, writing to the document has been easy and it has all worked well, however, I have been trying to get my program to remove a url from this list too. To achieve this I have created a temporary text file, named 'FavouritesTemp.txt' and write the content of a listbox (with the target of the delete command removed from it) and then replace the old text document with the new one. But I keep getting an error from this - saying that a process is already accessing this file, even though I have just created it! I have attached a picture of my error and the code I am using underneath.

Code:
System.IO.File.Create(My.Settings.ProgramInfoStorePath & "FavouritesTemp.txt")
MsgBox("Created FavouritesTemp.txt")
Dim FavouritesWriter As New System.IO.StreamWriter(My.Settings.ProgramInfoStorePath & "FavouritesTemp.txt", True)
For Each Item In FavouritesListBox.Items
[Code] .....

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Toolbox List Removing And Adding?

Jul 26, 2011

i am a starter on VB(you can see that in the name),and i removed the RadioButton from the list.

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VS 2008 - Removing Item On The End From List Box

Aug 31, 2009

I have a button that when pressed I want it to remove all the ending urls that have ending with / just to remove / item on the end so it will live me a url with out / on the end if u know what I mean. [Code]

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VS 2010 - Removing Items From A List (of T) With For Each

Dec 14, 2010

Public Structure ReportOrderType
Public ReportName As String
Public ReportDate As Date
Public SaveFile As String
End Structure
[Code] ....

Basically, I have a list of reports. In one place they get ordered, and later on the program looks to see which ones have come back -- see if the .SaveFile exists on disk. If it exists, then that report gets processed, and then I want to remove that item from the list of reports-on-order. However, I get an error message back that by doing the .Remove(R), I've changed the list itself & things won't go well with the rest of the For Each loop, which makes some sense.

When I get to this routine, the list of ordered reports will be something from a couple of dozen or less, and some number of them (perhaps zero, perhaps all, probably a few) will exist & be processed & then should be removed from the list. How should I go about accomplishing this? This is my first time working with List(of t) as a Visual Basic tool; everything I've used in the past has been with arrays, and I can do this there.

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VS 2010 List (of T) Removing Items?

Mar 7, 2012

I have the following

Public itemArray As New List(Of ItemArrayStructure)
Public Structure ItemArrayStructure
Dim DisplayText As String
Dim Checked As Boolean
End Structure

If I know the DisplayText of an item in this array, how can I remove it?

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Forms :: Error In Removing Items From The List Box?

Oct 17, 2011

Imports System.Collections.Generic
Imports System.Net
Imports System.IO

[Code]...

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Forms :: Removing Items From Binding List?

May 24, 2011

have a binding list which i want to be able to add and remove items.This is the class im using

Friend Class ExecutableItem
Public Property Text() As String
Public Property Method() As Action

[code].....

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Removing Items From A List Box After Setting The DataSource

Sep 29, 2010

I have a small requirement and that is as follows:

I am populating a ListBox using stored procedures and the ListBox is populated as follows:

lstItems.DisplayMember = "emp_name"
lstItems.ValueMember = "login_id"
lstItems.DataSource = accessFunction.getEmployees

The ListBox gets populated correctly. After it is populated, i have a CommandButton and on the click event of the button, i want to remove selected items from the ListBox. So in the click event of the CommandButton, i have written the following code:

lstItems.Items.Remove(lstItems.SelectedItem)

After selecting an item from the ListBox and when i click the CommandButton, i get an error as "Items collection cannot be modified when the DataSource property is set".

how i can delete items from the ListBox.

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VS 2008 Removing Items From List Of Class?

Jun 12, 2010

I've searched on the Internet and I can't find a solution to this simple problem. I've also looked on Microsoft's MUCH improved MSDN site and haven't found a solution, so here it goes. I'm trying to remove an entry from a list of class and it doesn't get removed. Here's a sample of the code I'm trying: (I renamed the class and variable names to make it a simple example)

Dim lstClass As New List(Of TheClass)
Dim mClass As TheClass
I tried this first
mClass.filename = "The Entry to Delete"
lstClass.Remove(mClass)

[Code]...

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VS 2010 Error When Removing From List(Of String)

May 8, 2010

For Each s As String In list

If s.Contains("Hello") Then
list.Remove(s) 'ERROR Collection was modified; enumeration operation may not execute.
End If
Next

Why do i get that error?

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Adding And Removing Items From The List And Tree Views

Mar 10, 2009

I am trying to learn how to work with the different controls in Visual Studio for VB.Net in particular the List View and Tree Views. I don't have any code to show as I am not working on anything in particular just messing around with it to learn what the different controls do that weren't covered in my Intro to VB.Net class last semester.I would like a clearer explanation on how to actually use code for these controls. In particular adding and removing items from the List and Tree Views using code.

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Populating A Font List And Removing Specific Items?

Sep 23, 2009

I've gotten a listbox control to populate with a list of installed fonts, but I need to be able to click a button and remove the selected item from the listbox. How do I do this? Every time I try, an exception is thrown.

Here is the code:

Public Class Form1
Dim fonts as New Drawing.Text.InstalledFontCollection
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

[code]....

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Removing Multiple Selected Rows From DataGridView That Is Binded To List(Of T)?

Dec 8, 2011

I have a datagridview binded to a list of objects... I have a column named Selected containing a checkbox. When these checkboxes are checked and a button is clicked, I want those particular rows to be removed. I initially set it out to iterate through the grid's rows and RemoveAt(SelectedRowIndex) but of course when it removes an object from the List of objects at the selected row (IE Row 1, 4 and 6), the list indexes change and it fails to work properly when it goes to remove the next row since Row 4 is now row 3 in the list...? What is the best way to do this?

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Forms :: DataGridView DataError Exception When Removing Items From Bound List?

Nov 2, 2011

I am using a DataGridView bound to a BindingSource which is itself bound to a List of objects. This all works well until I remove objects from the list. If I am scrolled down to the bottom of the DataGridView and then remove a bunch of items from the list it is bound to it generates a DataError exception because the length changed and the rows I am looking at no longer exist... I changed my code to handle that error, but now instead of popping up a message it SLOWLY erases the data in each of the newly invalid rows at the end of the table (I think each time it does one it generates a new DataError, which is why it is so slow).

How do I prevent this? I want to be able to dynamically (and programmatically) add and remove items from the table without the possibility of this error... I assumed this would be handled automatically as part of the data binding process but I guess not.

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Removing Projects From VB2008 Start Page Recent Projects List?

Mar 15, 2009

Removing projects from VB2008 start page recent projects list. The above list is getting clogged. How do I remove items from this list?

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Removing A Font From Windows Font List (2010)?

Jun 8, 2011

I am trying to make a program that basicly, on the click of a button, removes a font from the windows font list (Un-installs it) Is there a way to do this using VB.NET (2010)The reason I want to do this is to make a program to remove the 'Comic Sans MC' font from all computers I use my pendrive on?

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Add A Delimiter In String At Specified Position

Apr 16, 2010

I have the following problem in VB.net. I have a string like Dim str as String = "ABCDEFGHIJKLMNOPQRSTUVWX" now i want to add a delimiter from any one of them (Comma, Hyphen, Slash, Tab) into the string at the specified position like after every One, Two and so on characters. i WANT THE RESULTANT STRING LIKE

[Code]....

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Asp.net Mvc - Getting String Value When Delimiter Exists?

Oct 18, 2011

I am working on finishing up a mvc 3 vb.net app... I have to parse about 2000 entries in a database and get the string value to the right of a " : " delimiter from one of the columns... Everything to the left I am not worried about but I need the value that is to the right of the colon for that item.. I have more issues involving needing to select string characters to the right or left of a delimiter... But if someone can show me how to achieve the above I can figure out the rest from there...

a example of the string is Jackson Smokehouse Fish Food:John Jacob JinggleHimer Schmit I would want to eliminate the first part of the string or just select the second part and put it in a variable for later processing...

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CSV And Text Delimiter Befuddlement?

Jun 5, 2011

I'm working with VB.Net. I have imported some data into the Data Set.I have four columns of data.

[Column 1]This is a test[/Column 1]
[Column 2]This is a comma, Test.[/Column 2]
[Column 3]This is a double quote " test.[/Column 3]

[code].....

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Split String But Keep Delimiter

Nov 17, 2010

I want to split a string at a delimiter, but I don't want to discard the delimiter; It needs to become its own variable. [code] Is there any way of achieving this short of writing my own method?

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