I have a program that searches for a word in a .txt file. When it finds the word I want to print the following 5 lines under that word. So for example: I search for "juice", and my label grabs this out of the textfile:
juice
apple
grape
orange
milk
Is there anyway to this in VB.NET?
I'm currently use visual basic 2008. The problem is I have try this code but,it produce no output. There is no problem with the code I guess. Here is my code
Dim i As Integer = 0
Dim line As String
'Dim reader As StreamReader = New StreamReader("C:\drill.txt")
[Code]....
Does anybody know how to to count the number of characters typed in a text file and display in a label? I'm making a simple application on vb 2008 that needs to calculate the number of characters in a text file. The user will enter the text file in a text box. The file will be located somewhere in my hard drive.
[Code]...
How do i read through a textfile line by line checking for and removing duplicate values?
View 1 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].....
I have a textfile wich my app will have to read.The textfile will be like this
Hello=Bye
SeeYou=SeeYa
GoodMorning=GoodAfternoon
And so on, each line in the textfile will consist of two words seperated by a = Now I want to load this textfile and then be able to use each line and have a name for the word on either side of the = and then do something with line 1 word 1 and then do something with line 1 word 2 (word 1 beeing the first word before the = and two beeing the one after the =)
I'm writing a small program where i need to insert a small piece of text in an existing text-file ( .txt).
Let's assume that I have a text-file with the following text in it:
123; train; 1234;
144; train; 1554;
124; train; 125;
[Code].....
I'm making a function that is supposed to delete a line from a textfile "test.txt". I'm having no problems with finding what line i want to delete. The basic idea is this: read the whole file with streamreaderdelete the linerewrite the file with streamwriter. My problem is the last, how can i completely remove the file content, and write another string in it, writer.writeline just appends a line.
View 2 RepliesI am having trouble removing a line from a text file. When I click on the button in order to remove the line it gives me an error that access to the file is not possible. Now I assume that the file is in use during me wanting to change it and therefore cant save it while it is loaded in ht application. I have tried a few things but cant seem to get it to work.Essentially what it does is that I have another dialog that a used can add data, the data is then written to the file FilingLocations.txt and then it saves it and loads it again. But once the line is no longer needed I would like to have the option to remove the line agaise.
Here is the code:
Private Sub cmdRemoveLocation_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdRemoveLocation.Click
[code].....
Let's say I have a textfile which contains paragraphs. Some of the paragraphs start with * or a > character. How do I index the words that start with these characters?
Example:
[code...]
I have a program that reads a text file tab delimted using OLEDb I need to be able to allow the user to insert a user created record into the file which I can do. The problem is I need to be able to let the user edit that record. From my understanding you can not edit or delete with OLEDB only insert So I thought I would read the file using stream reader, find the line I want to edit and just delete it, rewrite the file, then let the user insert a new record?
Dim strDelimiter As String = vbTab
OpenFileDialog1.InitialDirectory = "C:\"
OpenFileDialog1.Filter = "Text Files (*.txt)|*.txt"
[code]....
I am trying to make a program that can read each line of a textfile and print it into something else. So lets say i have a text file that has:
[Code]...
I have multiple textbox,I want all of them to read whats inside a text file,but I dont want multiple text files,I just want one.
Here is my code that lets you read a whole text file.
vb.net
Dim FILE_NAME As String = "Directory"
If System.IO.File.Exists(FILE_NAME) = True Then
Dim objReader As New System.IO.StreamReader(FILE_NAME)
[code]....
But I just want it to read certain lines For Example on textbox1 should only read the line <vote>texthere</vote> and so on,
how do i have my app read a line from a textfile and if that line equals "whatever" proceed with command, this case a msgbox.so much work to do and so many choices to choose from...
View 3 RepliesI have not had much time to go threw my code properly as this is some urgency. I need to remove line 1 from a textfile if it contains a string but its not working.I have 500 files and not going to do this manually.
Code:
Private Sub btnRemove_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnRemove.Click
If String.IsNullOrEmpty(txtDirectory.Text) Then
OpenFolderDialogDirectory()
[code]....
I also feel the function is very pointless sime i am opening the file twice.
I have a 2 textfiles with a few lines of text.
e.g. textfile1
pos1:1
pos2:10
pos3:1
[Code].....
I need to open both files and compare the lines without knowing which line is different. (mgsbox (pos2.value)<< something like this)
I have some coding which displays a label if the value of a textbox matches the first value of each line in a textfile.
Dim sList As New List(Of String)(IO.File.ReadAllLines("Path"))
Dim i As Integer
For i = 0 To sList.Count - 1
[Code]...
The problem is if the textbox has 1 and the textfile has 11 it will display the label, what would be the best way around this?
I have tried sList(i).Contains etc but none of them are doing the job.
I have two .resx files in my project. One is called Labels.resx , the other is called Labels.fr.resx. The first is meant to be English the second is French. Right now they each only have one item, a string with the key "label1". The values are in English and French.The issue is that even when I try to access the resource as French just hard coding the culture in an attempt to get this working:
'hard code the culture as French
Dim c As System.Globalization.CultureInfo = System.Globalization.CultureInfo.GetCultureInfo("fr")
[code]....
I have decided to go down the MAPI / CDO or Winsock route in my application. Sending emails is easy enough. However, I need to retrieve and display emails. The slight twist in the tail is that I don't want to download / access all emails, just those from a certain sender's email address. Most users will have Outlook installed on the computer but i'd rather not rely on this unless I have to. I'm not sure which technology to use and how to go about this as I don't want to download all messages and then iterate through them. I'd rather just request emails with specific properties.
View 1 Repliesi know i have to use a loop to get each line of the textbox onto a newline of a textfile but i dont know how to figure out how many lines of text the user has entered into a textbox. I tryed using a try statment to loop until it errors, it seems to work sometimes but other times it only takes half of the textbox and adds it to the textfile. And if atmaweapon reads this, i tryed to make better names for variables. Here is my code,
Code:
Path = ("Meals" & ComboBox1.SelectedItem & "" & TextBox1.Text & ".txt")
File = New System.IO.StreamWriter(Path)
If ComboBox2.SelectedItem = "1" Then
[Code]....
how many line of text there are... im not so shure how good it is to run a loop tell it errors for a textfile, but its the only way i could think of.
I'm trying to retrieve some values from my website and put them in a variable or textbox. The source on the website always looks like this: [Code]. I only want to retrieve the first line though (the rest is some stuff my webhost automatically generates). [Code]. But this doesn't work properly :S In above example it would return the whole string, except the last two characters. What do I need to alter to make it work correctly?
View 5 RepliesI need some help working out the logic when retrieving specific times from a userform I have created. In my userform, users are required to input a start and a end time in 24 hour time format. I am struggling to work out how best to analyze the selected times in order to multiply them by a set of rates, the rates are quite simple:
DayHours rate (day time is between 07:00 - 22:59)
NightHours rate (night time is between 23:00 - 06:59)
I cannot workout the logic to ascertain how many hours have been selected for which rate in an elegant manner, my best attempts so far are clunky and not quite there.
how could I get the text of a specific cell in a DataGridView control ? If it matters , in my case , all the cells contain strings or nothing . For example , in order to get the text from the cell on row 2 and column 3 , what code do I have to use ? I have tried the Value property but seems that's not it . I've found some examples on the web ,but they were all for C# ... I guess , though , it has to be easy .
[Code]...
Is it possible to (programmatically) retrieve the current line of code being executed? For example, I have program X that's only 200 lines long. Is it possible to tell a user "The current line of code is: ....."?Mods - Please do not mark my posts as answered. It is extremely rude. You have no idea if you've answered my question.
I WILL come back and mark the ones that are answers, as answers.
I'm trying to retrieve line number 5 - 8 from a text file, but I can't figure out how. I can retrieve a single line and I can retrieve all lines, but I can't figure out how to get those specific ones. I tried using substring but it didn't work.
View 5 RepliesHow would one remove an item from a ListBox and then remove that line from the TextFile and repopulate the ListBox with new data in Visual Basic.Net?[cod]...
View 2 RepliesI'm trying to retrieve line 5 - 8 from a text file, but I can't figure out how. I can retrieve a single line and I can retrieve all lines, but I can't figure out how to get those specific ones. I tried using substring but it didn't work.
View 11 RepliesGND P3559 9812, 7993 p9910.26;
GND P3559 9812, 7993 p9910.26;
46N93 P594 40898, 35899 39MIL;
PHY2_P2_CONFIG0 P2767 34205, 33537 39MIL;
[code].....
i have write all this value in another text file by adding the title.in my original file's line i must check whether the line contain any MIL value if not, I must write first T1 the below T1 i must write all the line which not contain MIL value until i reach a line which Contain MIL value. If the line contain 39MIL the i must write first T5 then followed by all the line which contain 39MIL until it reach the line which contain another MIL value. Let say 50MIL. the i must write T7 then followed by all the line which contain 50MIL. I sort my original file alredy. so the original file will start from the line which dont have MIL to 39MIL,50MIL,75MIL and 100MIL. Mu output file will look like this
GND P3559 9812, 7993 p9910.26;
GND P3559 9812, 7993 p9910.26;
[code].....
I am starting to learn reading and writing to textfiles. One quick problem. My code here
'Read is the variable that will read the kp.txt file"
Dim read As IO.StreamReader
read = IO.File.OpenText("C:2/kp.txt"[code].....
however when it is read into the listbox those 3 words appear on one line in listbox
How can i make it so that each line of the textfile is placed in each line on the listbox?
I am trying to create a textfile and write some lines into the textfile. However, the code that i am using can only write when the textfile is already created in the directory.
For this case, can i actually allow my script to search if a textfile is being created, if not create a textfile ???
Dim pathdir As String = "C:workingdir est.txt"
If System.IO.File.Exists(pathdir) = True Then
Dim objWriter As New StreamWriter(pathdir)
[code].....