Removing Parts Of An Array?

Apr 8, 2010

I seem to have a problem here. I need to be able to delete a certain part of an array. For example, this is the array

Array(0) = "Test"
Array(1) = "Test2"
Array(2) = "Test3"

[code].....

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For the last 30 mins i have been trying to remove a part of a textbox, in this case i want to remove

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Mar 20, 2011

I have a Comma Separated value file in .txt format... simply put, its a bunch of data delimited by commas and text qualifier is separated with ""For example:

"So and so","1234","Blah Blah", "Foo","Bar","","","",""
"foofoo","barbar","etc.."

Where ever there is a carriage return it signifies a new row and every comma separates a new column from another.My next step is to go into VB.net and create an array using these values and having the commas serve as the delimeter and somehow making the array into a table where the text files' format matches the array After that array has been created, I need to select only certain parts of that array and store the value into a variable for later use.... how to make the array and selecting the certain info out of it..

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Array1 - original large array
Array2 - new small array
y and x count are the new coordinates of the new array

[code]....

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Jul 6, 2011

Is there a fast way to get all the items of an array that have even indexes and put them into a new array in VB.NET?

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Oct 21, 2010

If i can just give a quick in site to what i am trying to do. URL [URL] Remove char and onwards? [URL]

That may not of explained it all so i will show you my previous working example using string builder on a single instance.

Private Sub ConVertURL()
' Strip URL text to generate correct download link
_sb.Append(_rtnSourceCode_LinkHolder)

[Code].....

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Oct 21, 2010

If i can just give a quick in site to what i am trying to do.

[code...]

I know the above is wrong, but it was an attempt.

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Mar 8, 2010

I generated 10 integers in the array(9). Then I separate the array into two parts by using substring. But I just can't run the code, it has no error but cannot run.

Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

[Code]......

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Oct 11, 2009

I haven't used vb.net in about a year. I have a few arrays, the first holds a list of names. that list is used to load files into memory and then based off that file, another array is filled with my custom data type.

array of names is a file. it is not in memory unless it is being written to or read from. the second array is where all of my data is stored Dim fs As New FileStream("EmpVec.vec", FileMode.OpenOrCreate)'EmpVec.vec" is the file that stores all of the names Dim reader As New StreamReader(fs)while not(reader.EndOfStream)'code that is used to load and fill my array'it sees the name, searches for a file with the same name, then loads data from that file into my vector and memory'as i do this, i fill a list box with the name, and another string object (name & vbtab & string)end while. so that is when i populate my arrays what i would like figuring out is how to remove objects from my arrays here is what i got Dim index As Integer = Me.lstEmpList.SelectedIndex EmpVec(index) = Nothing 'EmpVec is the array that stores all of my custom data types

Me.lstEmpList.Items.RemoveAt(index)''this will remove the data from the array but I also save all the contents in the array to the EmpVec File'so when it hits the empty element, it crashes because there is no data'i would basically like to resize it

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Oct 28, 2009

how do i remove the contents of an array element such that if

hello(0) = "hello"
hello(1) = "hello123"
hello(2) = "hello123123"

i want the result to be

hello(0)="hello123"
hello(1) = "hello123123"

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Dec 12, 2011

I have an array with a possible of 25 numbers that can be entered into it, how to take out the unnecessary zero's for the valueas i have not entered into my array.

Public Class Form1
Dim mintArray() As Integer 'Declares Array without giving it a size
Dim Array(24) As Integer

[Code].....

I get an error at the highlighted part : " InvalidCastException was unhandled, Conversion from string "" to type 'integer' is not valid."

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Jan 7, 2011

Basically, the user can type in a name and a job description into two different txt boxes and then click add. It then adds the name to the listbox and stores it in a string list (Public strList As New List(Of String)) it also stores the job description in a string list as well (Public strListDescription As New List(Of String))Then when you select an item in the list box it knows what data to bring up in the txt boxes using an array with these lists:

Code:
Private Sub lstMyCourt_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles lstMyCourt.SelectedIndexChanged
Dim i As Integer

[code].....

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Removing The Selected Items In ListView, And In Array?

Jun 10, 2011

I have button that adds element in array and displays the item that is added in array in the listview, And also i have button that deletes it but it's not working.

Here's the code:
Private Sub btnRemove_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnRemove.Click
Dim i As Integer
Dim new_array As New List(Of String)(movieArray)
With ListView1

[Code]...

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Nov 24, 2009

I have a byte array with contents from a file in it, but I want to trim / remove the first element from it [byte(0)]. I've searched for days and experimented with a hundred different methods but they don't work.

[Code]...

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Mar 16, 2012

I have added controls to the form using a control array.. However, when I re-run it they stay and more appear. How do I get rid of the first set?

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I am using streamreader to read and streamwriter to write, I have put the lines into an array
[text file contents]

Remove [ ] *****************
-----
;this is -----
------
;this is another -----
[end of example file]

I want to remove the lines that start with "****" and keep deleting lines until i reach ";" I thought this would be simple but im missing something and I don't want to put this array into a listbox it is being writen to a text file.

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I have a situation where a user can enter just about anything they want into a text box.Whatever they enter in the box, I need to split the string into an array of strings where each item is one word. For example, if the user enters All State Insurance, I split that into a string array:

sParams(0) = "All"
sParams(1) = "State"
sParams(2) = "Insurance"

[code]....

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Jun 2, 2012

I have a large one dimensional array that is called ArrayHold which is populated at runtime. I run a loop to scan through the array to find out which elements need to be removed based on a few parameters. This all works great, now I am left with two arrays. The original one and a new one which contains the locations of the elements to be removed.

Original Array: ("A")("B")("C")("D")("E")("F")("G")("H")

Second Array with index/count of elements that needs to be removed: ("0")("3")("5")("7")

End result should be preferably not in a new array but a "ReDim" of the original array:("B")("C")("E")("G")

What would be the simplest way to achieve this? I could run a loop to make all the elements that need to be removed "0" or ""? Would there be an easy way of resizing and array by dropping/removing all the white space or empty elements?

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I have a program that re-sizes items in an array but I can't get it to work. I have:

[Code]...

It gets to the Remove but it just doesn't delete the characters from the string.

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i am having problems getting my code to delete certain parts on an XML.I've tried..

DirectCast(ListBox2.SelectedItem, Data.DataRowView).Item("name").Delete()
DirectCast(ListBox2.SelectedItem, Data.DataRowView).Item("description").Delete()
DirectCast(ListBox2.SelectedItem, Data.DataRowView).Item("manufacturer").Delete()[code]....

But get Quote: Public member 'Delete' on type 'String' not found

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[Code]...

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Aug 16, 2010

I have 4 textboxes three for input one for output. Basically what it does is takes input from textbox1, 2 and 3 then combines them in textbox4.here is an example:

textbox1.text = "AA" textbox2.text = "BB" textbox3.text = "CC" textbox4.text = "AABBCC"

what I am trying to do is is compare the input with the output.so take the first two characters in textbox4 and see if they are the same as in textbox1. then take the second two characters and see if they are the same as textbox2.

I know how to do it for just one string of characters but I am not sure how to seperate out different letters in one textbox.

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I have a datagrid that show an online status. the Status column have 2 status, OnLine n OffLine. I want to make any record that Status = Online into bold style.

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i want to update different areas of my MVC page after one action (say a click) occurs.how, i use ajax, and wrapping the entire area where all these parts need to be updated is counter intuitive as the ajax data being sent back would be close to the entire page.i have a few partial views, - but the problem is, each action only returns one view! how can i return multiple views from this one action?i know a popular solution is to just hammer the server with multiple async javascript ajax requests for each "part" of the view, but this really is unnecessary and inefficient, reconstructing and destroying the page (say) 5 times for just one action, when it should just occur once, and once it does, the server should manage all the partial views then and there.

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Jan 28, 2010

This string is automatically generated with an application I can't access or change[code]....

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I am trying to get the date parts selected by a user on the MonthCalendar control. I know how to set the date, thanks to some help from this forum. Now I have run into another problem. I need to be able to take the MONTH, YEAR and DAY selected by the user. I have tried this example I saw, but it does not work, mmDay = CalendarMonth.Tex.ToString("d").

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Sep 28, 2009

Many types of credit cards have the same format. This format is XXXX-XXXX-XXXX-XXXX, where X is a digit.The dashes are embedded into the string containing the card number.Create a console application to * Declare String variables Partl, Part2, Part3, Part4, and InputString. * Read a credit number consisting of 16 digits only, no hyphens, into InputString.* Write the statement(s) to extract each four-digit segment into Partl, Part2, Part3, and Part4* Display the four parts.This is what I have, and I cannot figure out what I'm doing wrong because there is an error when it runs.

Sub Main()
Dim inputString As String = "1234567891234567"
Dim part1, part2, part3, part4 As String

[code]....

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