Cannot Read Special Characters With Streamreader / Streamwriter
Nov 23, 2009
To automate mailmerge function in word, i need to join different elements to complete the mailmergedatasource. In one of these file are words with special characters like ©, §,¨, .... When openng these files for reading, streamreader transfoms the characters to unreadable signs. When i give a type to use to open like ASCII, Unicode,it works for one or tho characters but not for all. I have the same problem when the character is read correctly, with streamwriter output to a textfile. Word cannot read the textfile and ask to define which type of coding should be used. In most of the cases not all the characters can be converted to readable characters.
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Jun 2, 2011
I am trying to read the content from a .csv file and storing it in a variable. Later I am writing that content into a newfile. Code is executing successfully but the data is not appearing in new file. Here is my code:
[Code]...
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Jan 3, 2012
I got a question. I have a textfile name membership.txt and using vb2008. However my code found error when try to grab the data to an array. I use delimiter "|" to separate between each data in line to save in specific column in database.
[Code]...
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Jan 18, 2009
using the StreamReader / StreamWriter code. I want to store a new password in a .txt document that will later be printed. Here is the code I have so far. The code runs but I cannot find the .txt document.[code].....
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Jul 16, 2008
I'm trying to use streamreader and streamwriter to get the data sent and received. For some reason the data isn't sending or receiving?
Server
Code:
Imports System.Net.Sockets
Imports System.Text
Imports System.Threading
Imports System.IO
[code]....
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Nov 10, 2010
I am using streamreader and streamwriter to read a text file , change the text, then write to the same text file. This all happens in a loop every second or so.Currently I use:
Dim csetpointfileread As New System.IO.StreamReader("C:webcsetpoint.txt")and Dim csetpointfile As New System.IO.StreamWriter("c:webcsetpoint.txt", False)before every file read / write operation, it gets dimensioned every loop. To me this seems like a waste, and should only have to be dimentioned once. If I try to run both statements in the beginning, outside of the loop, the second statement wont work because the "file is allready open". Am I missing something or am I doing it correctly to begin with?
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Jan 19, 2009
I have this code to send all line of a txt file to a listbox (StreamReader).
Dim sr As New IO.StreamReader("Items.txt")
Do Until sr.EndOfStream
lstItens.Items.Add(sr.ReadLine)
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Aug 14, 2010
I am writing a click event to delete an item selected from a list view which will utlimately be deleted from the csv file the information is coming from.Currently I am having streamreader read each line and then replace the selected line with a blank line. This creates blank lines in my csv files. Is there a way to delete a line using sr or sw without creating blank lines?Or is there a way to have them read/write a file skipping any empty lines?
My
If ListView1.SelectedItems.Count = 0 Then
MessageBox.Show("Please select a class from the upcoming schedule list.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation)
Else
[code]....
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May 19, 2009
I have a text file like this, my streamwriter put the new line a the buttom:
19-05-2009 21:53:30 DESKTOP-XPPer Søgte på Crpnr 3
19-05-2009 21:53:36 DESKTOP-XPPer Søgte på Crpnr 3
19-05-2009 21:53:44 DESKTOP-XPPer Søgte på Crpnr 1
19-05-2009 21:54:36 DESKTOP-XPPer Søgte på Crpnr 1
[Code]...
i am a newbie and started in 2009 trying to learn some coding in Visual Basic.
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Dec 28, 2009
I'm creating a text file and, among other things, I need to write the text of the parent and child nodes of a TreeView to the file. I know how to write the contents and read them just fine, but what I can't seem to figure out is how to write the contents if I don't know how many parent nodes or child nodes there are. When I do, I usually do the following:
[Code]...
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Dec 21, 2011
Essentially I am trying to replicate the Windows 7 (In-Windows) activation key TextBox form. The Form where it will auto capitalize letters, remove or deny all non alphanumeric characters except dashes every 5 characters that will be auto-input.I assume this can be done with a fairly complicated replacement Regular Expression but I cannot seem to create one to fit the needs.
This is an Example of what I have right now, but it creates an infinite loop as it removes all characters including dashes, than adds a dash, which changes the text and removes the dash again.
[Code]...
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Sep 13, 2010
i have been trying to remove special characters. i am not able to remove many crlf in middile of the string.
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Mar 4, 2012
In my code I've allowed used to create their own mazes and save them, under whatever name they like. I've also included a few pre-created mazes. The mazes themselves are saves in .txt files in the bin/debug folder of the project, along with a .txt file containing the maze names.
I really need to publish this program to send it to my teacher, but when I publish it it doesn't include any of the .txt files in my bin/debug folder.
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Oct 21, 2009
I am trying to use filestream and streamwriter / streamreader to have a simple text box where the text entered is written to a text file, and then a button can be clicked to read the file and present the text back to the textbox. It works, but the problem I'm having is that if i change the text to something smaller in length (less text) than what is currently in the file, then press the button to read the file, it still contains some of the old text that was previously in the file.
Dim strmReadFile As New FileStream(txtPath.Text, FileMode.Open, FileAccess.Read, FileShare.Read)
Dim readHandle As New StreamReader(strmReadFile)
'read the entire text, and set it to a string
Dim streamFileContents As String = readHandle.ReadToEnd()
[code].....
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Aug 5, 2011
I have two textboxes. I type in one of them and the text gets copied in real time into another textbox. There is one catch. I need to replace specific character with something else.
If I enter a quote " in textbox1, it has to be replaced with " in textbox2.
I started with something like the below code, but obviously this does not work (tried different stuff - this is for demonstration only). In the example below 'a' represents " , and 'b' represents "
Private Sub TextBox1_KeyUp(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.KeyUp
TextBox2.Text = TextBox1.Text
[Code]....
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Apr 1, 2009
Not sure what to use or how to use it. But I would like either streamreader or streamwriter to ignore a line depending on it contents.
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Jan 14, 2010
I made my own advanced networking system which uses System.IO.Streamwriter and Streamreader but offline. I would like to let this use a directory online, I have a webhost available for that, now how do I say to the program it has to look at a specific map with all the users information?
I now have already this into my login form:
Private Sub btnLogin_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnLogin.Click
On Error GoTo A
[CODE]...
Just curious if I can let my network grow out international instead of pc. Also I have a second question. I made a create account page which is supposted to make a text file with the txtUserName and txtPassword inputs, but it does create the file, but doesnt write any lines into it.
Code here:
Private Sub btnCreate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCreate.Click
Dim UserGenerator As System.IO.StreamWriter
[CODE]...
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Dec 6, 2009
Im trying to read encrypted text from a text file but when i try to read it i would get boxes in stead of the encrypted text.
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Feb 13, 2012
I am having a problem writing a string like a word "Zürich" the output became "Z�rich"
I am using StreamReader and StreamWriter.
Code: below
Imports System
Imports System.IO
Imports System.Text
Module Module1
[CODE]...
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Aug 4, 2010
example. i have 2 textboxes and if there empty it says "Incorrect Information", but how do i make it that like when a person enters something into the textbox1 it can be 3 values minimum.. like it could be eather 2 letters 1 number or what ever just more than 3 values (no special characters), and on the password.. 6 values minimum (no special characters).
[Code]...
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Aug 3, 2010
I've got a program that in a nutshell reads values from a SQL database and writes them to a tab-delimited text file.The issue is that some of the values in the database have special characters (TM, dash, ellipsis, etc.) When written to the text file, the formatting is lost and they come across as junk "â„¢ or â€" etc"
When the value is viewed in the immediate window, before it is written to the txt file, everything looks fine. My guess is that this is an issue of encoding. But, I'm not real sure how to proceed, where to look, or what to look for.Is this ASCII or UTF-8? If it's one of those how do I correct it before it's written to the text file.Here's how I build the text file (where feedStr is a StringBuilder)
objReader = New StreamWriter(filePath)
objReader.Write(feedStr)
objReader.Close()
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Aug 15, 2010
buildLetter.Append("</head>").AppendLine();
buildLetter.Append("").AppendLine();
buildLetter.Append("<style type="text/css">").AppendLine();
Assume the above contents resides in a file. I want to write a snippet that removes any line which has empty string "" and put escape character before the middle quotations. The final output would be:
buildLetter.Append("</head>").AppendLine();
buildLetter.Append("<style type="text/css">").AppendLine();
The outer " .... " is not considered special chars. The special chars may be single quotation or double quotation. I could run it via find and replace feature of Visual Studio. However, in my case I want it to be written in c# or VB.NET
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Feb 5, 2009
I have a requirement to connect to a path such as[code]...
Where the first underscore is a space, and the last two underscores are ALT255. I have tried the following, based on some samples I've seen on the web, but it doesn't work[code]...
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Feb 14, 2011
I have a text file, the file is sent to me, but this file has a particularity, because between characters get special characters, as if the file was a binary file.I put a screenshot. I need to pick up and replace these characters by the character "-", those chracters are at position 13 to 18 on all lines. And sometimes there is a "\n" character that makes it split the line, and this should not happen.
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Oct 14, 2009
I have a datafield [Money] of datatype float.when i input currency value with $,or , it throws an error.How do I allow $ or "," to this field without changing the datatype(I know changing to type money may fix it)
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Feb 11, 2010
I have data that I have to send as xml. There are many characters that are receiving an error. Is there a quick way that I can ignore all these characters?
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Aug 13, 2009
In C# you can use to ignore the special characters:
string myString = "this is a " string";
that would work as one complete string... in VB, doing that does not work...Anyone know the equivalent of to ignore special characters for VB
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Oct 3, 2011
I have a code for the validation for special characters but my problem is i cannot use space bar because of included for the special characters.I want to happen is i cannot input special character except for the space bar. it is possible to do that?by the way this is my code:
Private Sub txtlastname_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtlastname.KeyPress
Select Case Convert.ToInt32(e.KeyChar)[code].....
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Jan 27, 2009
I was testing my program, and tried entering @ into a text box, but it didn't work. Is there any way for this to be allowed to be entered?
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May 17, 2012
I need to define a regular expression that accepts Alphanumeric and the following special characters:
@#$%&*()-_+][';:?.,!
I've come up with:
string pattern = @"[a-zA-Z0-9@#$%&*+-_(),+':;?.,![]s\/]+$";
But this doesn't seem to be working.
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