[2005] Load Line From Txt File By Line Number?
Feb 4, 2009How do i load a specific or a couple of line(not full file) to a RichTextBox by its line no...
For Example if i want load line 14...
Or sometime line 14-18...
How do i load a specific or a couple of line(not full file) to a RichTextBox by its line no...
For Example if i want load line 14...
Or sometime line 14-18...
You would think a search for this would show some results but I have had no luck.If I want to delete a line by a line number from a text file, how do I do that?
View 6 Replieswhat 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
-------------
Dim objReader As New System.IO.StreamReader(sOpenFile.Text)
Dim sTextLine As New ArrayList()
Dim sText As String = ""
Dim i As Integer = 0
[code]....
How 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]....
Is there a way to show the line number of the line of code that caused an exception within a Try...Catch block?
View 5 RepliesHow do I limit the number of characters per each line of an RTB to 1 char per line? That is you type one character, after that the textbox should not accept further input on that specific line.-Knock knock -Who's there? -(looong pause..) Java
View 1 RepliesI need to load a .txt to a listbox then how to read line by line?
then import the line which is being readed to Textbox
I'm testing a small program that can read & write to an rtf file. Examples I have found work fine, although I have two questions:
1)If I need to ALWAYS write to line number 9 of an existing RTF file, do I need to "read" 9 times or can I immediately position myself to line number 9. I have found character manipulation but can't seem to find what I need with positioning to a particular line number.
2)BOLD text: I have found examples where I should be able to format my text, such as
MyFile.WriteLine ""
MyFile.WriteLine Text
MyFile.WriteLine "0"
but when doing this, it does not "bold" my text, but actually prints the text exactly as shown. I'm looking for information/links that I can "bold" "Italicize" text. Code is written in VS2005.
I'd like to know if its possible to copy a certain line chosen by line number(EX: line #3) from rtb1 to rtb2 and then split it word by word and copy those words as new lines into rtb3
Ex:
Originally Posted by richtextbox1
line 1
line 2
[Code]....
WebBrowser1.Document.GetElementById("fieldname").SetAttribute("value", (TextBox4.Text))How can I add something to the end of this? So it is like "Textfrombox WhatIwanttoadd"
2. If I have a .txt file, how can I make it load a line from that file? Then repeat this using a different line from the .txt file?
I have a xml file that I know what line number the value is on. Right now I'm using a loop through, look for line number 5, when you find it do this. But it's slow. I was wondering if there was a way to say "take value from line 5", or something like that. can I query a xml file by line number?
View 7 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
[Code].....
It is SO useful for me to know the line number where an exception occurred. I inherited a project someone else created and I suspect he has some inherited Project properties from his initial Visual Studio Express solution. Where do I go to restore that critically important feature?[code]...
View 6 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.
how to read text from a listbox line by line and put current line in a label?
View 3 Repliesshow me a simple code for downloading a file from internet with a URL,Line by Line with streamreader?
View 6 Repliesi want to get the line number of a text file that contains a particular string data.
1. using the string data like str="book"
2. find if the string is part of the file
3. get the line numbers of where it occurs.
eg
filename=sample.txt
sample.txt contains
dance
book
[Code]...
I 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].....
the best method to read a huge file? I'm guessing its with "stream"?It's like a 200mb file.I need to read each line and do something if the line contains a search string.
Code:Imports System.IO
Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim strFile As String = "c:
[code].....
I like search a file TXT with this contains:
Name "Paul"
Age "11"
City "Chicago"
my question is: Its possible get a string "Name" and give me the value "Paul"? I have this function for get strings:
[code]...
Why can I only see the first line split in the listboxes repeated 4 times? I can not see all the lines of the Dictionary.[code]...
View 6 RepliesI have code that reads the whole file, not line by line.
Here is the code:
FileOpen(1, filename, OpenMode.Input)
Do While Not EOF(1)
datatodisplay = LineInput(1)
Loop
FileClose(1)
I would like to know how I can read the file line by line and then add all results into an array list.
I need to read a xls/xlsx/ods/txt file line by line,to get a column name of file .how to read a file line by line in vb.net?
View 1 RepliesBasically, I'm creating an application which takes a list of words in .txt format, such like this:
Abc
Def
Ghi
Jkl
mno
What I want to be able to do is modify the words, one by one, so that I end with
Abc1
Def1
Ghi1
Jkl1
mno1
or whatever the user wants.
I created this app in C++ to get the logic, since I am more confident with that
I must use streamreader to read text file line by line into array.
Here's what I've got.
Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
Dim numbers() As Double = New StreamReader(txtfile.Text)
Dim numbersarray() As Double
[Code].....
I just joined this forum as I've been looking for a nice and serious VB forum for a long time
I'm having troubles making a program to search a text file line by line for a specific string.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim objReader As New System.IO.StreamReader("C: est.txt")
[Code]...
as you can see in the code its supposed to read a text file and if the line contains the same string as in the textbox then its gonna make a messagebox.
now the problem, if the line does not contain the specific string but the next or any line other line does, then it should automatically read the next line on "Else" and that's where I'm lost
for a "Readnextline" command or something like that?
I have a list of random numbers in my text file.I read it like this.
Dim FILE_NAME As String = "C: est.txt"
Dim TextLine As String
If System.IO.File.Exists(FILE_NAME) = True Then
[code]....
How can I separate that in to 2 listbox?In my ListBox1 I want add lines with starting number like this ( 0905, 0906, 0915, 0916, 0917, 0926, 0927 ) And in my ListBox2 is with numbers start with this ( 0909, 0910, 0912, 0918, 0919, 0920, 0921, 0928, 0929 )How can I compare lines by multiple choices like that?