I got a text file which I want to display on a text box. The text file has data sorted by date (the oldest one at the first line)
What I want to appear on the text box is just the opposite, the newest one at the first line, and I don't know how to do it.
Does anyone know how to open that text file and display it in inverted order?
what i need to do is open a txt file, read line by line, decode each line into an array and display. Now all works ok apart from one line.
sTextLine = objReader.ReadLine() <-- Value of string cannot be converted.
full code here
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Dim objReader As New System.IO.StreamReader(sOpenFile.Text)
Dim sTextLine As New ArrayList()
Dim sText As String = ""
Dim i As Integer = 0
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Currently I'm writing a program that takes every 10 lines from one text file and writes them to another. I've never been good with For loops, so I'm having some trouble. I am not using any arrays for this program.[code]...
View 3 RepliesI saved a text file. The text characters were in RichTextBox iwth multiple lines. I used
RichTextBox1.AppendText(ControlChars.Cr) or RichTextBox.AppendText(ControlChars.Lf)
at the end of each line, but when I opened this text file using NotePad, all lines were displayed with ONE line. The strange thing is: if I open the same text file using other editors, .e.g. an IDE of Microchip or Freescale or Multi-edit...the text display had multiple lines as expected.
What should I do to make display as expected in NotePad?
How do I get the first item in a combo box list to display in run-time by default? Is it possible to do this with a bound combo box?
View 5 Replies' Show Loading Screen
--> Do anything like initializing or updating UI
' Close Loading Screen
In this case I can fire (Show Loading Screen) anywhere in the form I want,
Like
Dim LoadingScreen as New LoadingScreen
LoadingScreen.ShowLoading()
' Do things
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I like to display the label starting at testing & then tested. But somehow the label keep show "tested" without showing "testing".I attach my code
Private Sub Button9_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button9.Click
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When the user clicks the Process Files button, do the following:
Read and process the contents of each of the 6 files.
Each file contains data in a different format.
and display them in arrylist. In the list it should contain name of the file and number of person in the text file example below.[code]...
I'm making a program and was wondering if someone could please help me (its a console app) to display words from a string that the user has inputted starting with certain characters?
View 7 RepliesI have a two buttons: Previous Week & Next Week When i run the app the LabelDate needs to shows up "May 31, 2010 - June 6, 2010" When i click a previous week button i want to set LabelDate's text to "May 24, 2010 - May 30, 2010" If i click Next Week button i want it shows up "June 7, 2010 - June 13, 2010" Means it should always display previous/next week starting from Monday and ending with Sunday.
View 4 RepliesHow would i go about reading a file Line by Line that within that line The values are delimited by " Example of the data:
"bob" "cat" "1243"
"steve" dog" "6789"
I've started this with this code but not sure how to go about the next stage:
Using MyReader As New _
Microsoft.VisualBasic.FileIO.TextFieldParser(My.Application.Info.DirectoryPath & "Records28112011.jd")
MyReader.TextFieldType = FileIO.FieldType.Delimited
[code]....
Get Program To Read Text File And Display 2nd Line Of Text
View 6 RepliesI'm reading a text file with StreamReader, line by line. If a condition is met, then I do an operation and then start reading the file again from the first line. I realize I could close and then re-open the file, but surely this would be very slow.
I could do this easily in VB6, but pulling my hair out trying to do this in vB.net. It seems that 'Seek' is the function to use, but it doesn't work.
I've seen other examples, where it works, but you must open it a different way -- with a file number.
Imports System.IO
Dim I as Integer
Dim LineText as String
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I have recently created an application where a lot of data is loaded into objects when the application starts up, and other data as it is required. For example if the user requests the catalogue page then it will load all the top level category data into objects of type Category. This will then stay there to be used by other users (who will therefore not have to load this data into objects) and can be altered by admin if they happen to login during the same application instance. I know this is not the most efficient solution, as pointed out below, but it works and the page load, at the moment, is not too long. It is very quick if most of the required data is already loaded into objects. It is also tailored to the business' needs - unlike other techniques such as Linq-to-SQL.
View 1 RepliesI have written a simple folder backup program which, if started with a /s switch (argument), will run "silently" and perform an unattended backup. The obvious way to start the program with the /s switch is from a batch file, which then runs as a Windows Scheduled Task. I would like to create the batch file from the program itself, when it first runs, as it can then write the value of "Application.ExecutablePath" into the batch file follwed by the /s switch.
So, the question is, where best to save the batch file without running into Vista/Windows 7 permission problems? Is the local application data folder suitable?
Bear in mind there are three parts to this: my vb.net app needs first to create a batch file somewhere without permission issues, that batch file needs to be accessible to Windows Task Scheduler and then, when the batch file is run, it needs to start an .exe which is most likely in the "program files" folder.
I found out that I can start any external executable using:
[Code]...
I have a simple text file containing a list of names that I wish to sort. I was hoping for something simple like:
System.IO.File.ReadAllText("MyFile.txt")
System.IO.File.Sort("MyFile.txt")
System.IO.File.WriteAllText("MyFile.txt")
or something like that. Didn't want to actually write a bubblesort/quicksort routine myself.
I would imagine the routine would just rewrite the final file or would I have to make a new file and copy the contents back to the original?
well I want it to look like this: [Textbox] [Browse] [Start] So you click browse, find the exe file, click ok(or something like that) and then click start I also want to make it so it saves the location of the last exe file it started, so you dont have to browse for it every time you use the program.
View 2 RepliesI am a newbie to VB. I am try to achieve the following
1) Remote login to a PC
2)Check if a specific program has terminated
3)If it is , the program has to restart the program file located on the desktop.
I am working on a Windows Service application in VB.net 2008. The main objective of the application is to monitor starting and stopping of applications listed in a file. I build the service as system level by using
mManagementStartWatcher = New ManagementEventWatcher("Select * From Win32_ProcessStartTrace")
AddHandler mManagementStartWatcher.EventArrived, AddressOf
[code].....
Is there a way to modify contents of app.config file at runtime after starting application?
View 8 RepliesI'm trying to read a file line by line into an array but It skips the item at index:3 I have it msgboxing just to make sure and it wont even touch it.
Dim Btn As Button = DirectCast(sender, Button)
Dim path As String = Application.StartupPath & "Libraries" & Btn.Text.Replace(" ", "_") & ".ipt"
Dim i As Integer = 0
Dim lines As String() = IO.File.ReadAllLines(path)
[code]....
I'm having trouble with reading a .txt file line by line, converting it into a string, then putting it into a listbox. When I execute I get an error saying "IndexOutOfRangeException was unhandled" Here is my
[Code]...
i would like to store contents from a text file line by line to arrays before copying them to another text file. what i have is currently like this:
[Code]...
Currently I'm only able to store the whole content into one variable, would like to store the content line by line in arrays.
show me a simple code for downloading a file from internet with a URL,Line by Line with streamreader?
View 6 RepliesI'm trying to read an .rtf file one line at a time but I'm clearly missing something!The file contains 3 lines and I want each line to end-up in a different RichTextBox, so:
Open File
RichTextBox1 = 1st Line in File
RichTextBox2 = 2nd Line in File
RichTextBox3 = 3rd Line in File
Close File
What am I not understanding? I've tried using LoadFile to load the whole file into another RichTextBox first as I got the impression that RichTextBoxes are indexed - but what I got was strings not .rtf format. I've also looked to see if there's an equivalent of the text-centric ".ReadLine" and nothing seems to fit the bill.
I my old vb6 i use the tipical Open "c:somefile.vbw" For Output As #1 ecc...and loop into txt file line by line....Now i'am new in vb2010i need a little project in vb2010
View 1 RepliesANyone knows the code for it. I have encountered many options but each one lacks something it seems to make them all work together.
View 10 RepliesI have to create a new program that reads to Text files. These text files are in the form of a report (with column headings). The purpose is to compare each record line by line to see if their have been any changes made. The record is based on an Account#. Over time these files will be considerably large. What is the best way to do compare records from each file. I'm thinking loading each file into an array and processing them that way.
View 7 RepliesI'm making a program which has 7 textboxes. I intend the program to be used for classes in school, so the text would be like 2D Art, Geology etc... whatever your classes are. I have figured out how to use the streamwriter to take the text in the textboxes and write them to a .txt file however, my issue is with loading the text from the .txt file back into the textboxes. I did figure out how to write it so that all the text in the .txt file is loaded back into textbox1 but I have 7 textboxes... Here's the coding for the Load button:
Private Sub Button46_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button46.Click
Dim MainWindowLog As String = "V:Users(O.o)~(--_--)~(o.O)DocumentsVisual Studio
[Code].....