I have the following which searches the domain and lists out each user. I am writing them to a text file. The problem is each user name as it is found overwrites the other one.
I need them listed one under the other. Have I misplaced the Using statement?
Dim de As New DirectoryEntry()
'Name place to write file to
Dim strFile As String = "C:MyFile.txt"
[Code]......
i am using StreamWriter to write a file! I need write always in a new line! How i make this?
Dim f As StreamWriter
f = New StreamWriter(lblDirID.Text & "" & lblId.Text & ".dat", True)
f.WriteLine("test")
f.Close()
I have a "Form" with:
1- List Box
1- TextBox
3- Button
1- OpenFileDialog
1- SaveFileDialog
I want that clicking the btn1 it shows the OpenFileDialog and read file that it has got this structure: SKI10 1 71 0 0 18 101 19 0 29 101 30 0 40 101 41 0 50 101 51 0 62 101 63 0 81 101 82 0 95 101 2 0 0 95 165 3 0 1072 01 4 2 1 93 15
I want that it reads all Line of the File and it add an Item in ListBox for line.For example the first Item of the ListBox in this case is
SKI1
And the 2th Item is in this case.
0 1 7
I want using the StreamReader classes.And i want that when i click an Item of the ListBox it shows the Text in the TextBox and I can edit the Line and that clicking antoher button the Item will come updated with new Text of the TextBox.I have also another button for saving the Mod.I can use the AppendText and it create a new file writing ListBox1.Items line for line.
If SaveFileDialog1.ShowDialog = Windows.Forms.DialogResult.OK Then Dim file_esistenteD As StreamWriter[code].....
I am needing to write to a "rtf" file, and always insert my text on line 3 of either a new or an existing rtf document.I'm familiar with vb, but have not done much with the system.io functions. I have been testing several examples from the internet using the streamreader and streamwriter but still having issues finding a way to "insert text" on a specified line number. My questions:
1)I will always need to write on line #3, do I need to read all lines as this example shows "lines.AddRange(System.IO.File.ReadAllLines("C :/test/myrtffile.rtf"))"
[code]....
I need to update the students score with a new score but I cant get it to write to the line that the students current score it at. It just deletes the whole text.
Alex,letmein,0
David,qwerty1,0
John,password,0
[Code].....
Public Sub LecteurLogin()
'// Cr�ation du r�pertoire syst�me de CYS2011
Dim dir2 As String = "C:FicheStatsLogin"
If Not IO.Directory.Exists(dir2) Then
[code]....
Basically this is a function I call during the program booting and it creates the necessary directory and also the LOGIN.CYS file empty... then later data can be added.My issue is that it keeps adding a line to the .cys (which is a .txt file) but I just want VB to create a plain text file with no content inside...
I am coming across a lot of odd and annoying problems in this program and have almost had enough lol.
I cannot figure this one out for the life of me. I have used streamwriter a hell of alot of times and never once experienced this. But basically I have a string array and I need to write the entire array to a text file with a new line for each array item. So I have gone ahead and done this:
[Code]...
However the outcome is the text file only contains 1 line and that line is the last item in the array yet I know the array has got at least 50 items in it.
I am writing each line to a text file:
Dim objWriter As New System.IO.StreamWriter(filename)
For Each x In tofile
objWriter.WriteLine(x)
Next
objWriter.Close()
Which works perfectly the only problem is is that when its finished it writes a blank line on the end of the text file which I don't want.
I have the following code, which I run everytime I want to add a new line to my text file, but it is deleting the previous data in the text file every time I do it.
Dim stFilePath As String = "C:file.txt"
If File.Exists(stFilePath) Then
Else
File.CreateText(stFilePath)
End If
Dim ioFile As New StreamWriter(stFilePath)
ioFile.WriteLine("{0}: {1}", DateTime.Now, "test message")
ioFile.Close()
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.
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.
View 15 RepliesI am taking in two html files and creating one out of them. To do this I am opening the first html file and not writing out the closing </body> and </html> tag and opening the second file and not writing out the corresponding opening tags, as well as the <style></style>section. I start a streamwriter, and write the lines out to it, and then close the streamwriter. My problem is that the output file is filled with strange characters. I've tried opening the streamwriter with different character sets as the third parm, but all this does is change the characters to different strange characters.It says charset=windows-1252 at the tops of the input files (and the output files for that matter - since I'm just reading stuff in and writing it out - with the exceptions mentioned above).Questions;First, do you think I am properly approaching appending two .htm files together?Second, how can I eliminate these strange characters.
[code]...
The following code writes some data on an xml file. If I want to write on the same file twice the code overwrites the old data with new ones. How do I update the data instead of overwriting them? (i.e., write at the end of the xml file instead of overwriting the data)
Dim XMLobj As Xml.XmlTextWriter
Dim enc As New System.[Text].UnicodeEncoding()
XMLobj = New Xml.XmlTextWriter("C:" & current_scen & ".xml", enc)[code].....
I am having a problem where when I save some text to an XML file it overwrites originally what was in there, I want to be able to add to the file. The file looks like this:
<Incident>
<name></name>
<Department></Department>
<Incident></Incident>
[code].....
I am having some troubles with a project of mine. Its a basic financial manager for windows mobile 5 using VB.net. Everything works fine, however, when a value is saved in xml, it will be overwritten when another is saved. I want it to add these values instead of overwriting them entirely.[code]
View 2 RepliesI am having some troubles with a project of mine. Its a basic financial manager for windows mobile 5 using VB.net. Everything works fine, however, when a value is saved in xml, it will be overwritten when another is saved. I want it to add these values instead of overwriting them entirely.
Private Sub MenuItem3_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem3.Click
Dim writer As New XmlTextWriter("product.xml", Nothing)
[code].....
I have a database called NurseLocationI have a table called CoverList with two fields UserId and CoveringI can connect to the database fine and read the fields into variables that I can use in my program. w I want to take an existing variable called userFullName and put it into the Covering field where the UserId is = to "LHV"This is my code on button click to do that.But I was told I shouldn't use INSERT because it creates a new field
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
'Declare variables and get username from active directory
[code].....
the program im working on is a form with multiple controls (textboxes,combobox, etc.) and it goes out and reads in a text file called test2.txt and plugs in values to the controls. the user will be able to change text in the fields and when they hit apply, it needs to overwrite the file.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim theFile As String = "c:\temp\test2.txt"
Dim lines() As String = System.IO.File.ReadAllLines("c:\temp\test2.txt")
[code]....
with the given code, it errors out and tells me the file is already being used and can't be copied.how can i go about closing the file and THEN overwriting it?
ive managed to finally get it all working.if i click submit.. a file is then created in xml format but if i enter new data it will overwrite the same file how do i stop this.[code]how do i stop this from overwriting?
View 1 Repliesi have made a program that takes info from your registry and uploads it so I can fix it and you can download the new version of a key that makes things work faster.... when someone uploads a file, it works good, and i can look at the ftp's text file and see it, but every time someone ELSE uploads something, it overwrites the previous text file and makes another one, which deletes the first one. i would like so that when another person uploads something, it will just be on the second line then third, so on so forth.
View 1 Replies[code]...
I checked the contents of the array at the end and it only held the last records within the text file, which suggest that it is overwriting the array, how can i prevent this?
I'm trying to edit an existing xls and just overwrite it without a prompt to overwrite. I thought it was something like Excel.DisplayAlerts = False but that's erroring with 'DisplayAlerts' is not a member of excel.
So this is my current closing code that doesn't work.
oBook.SaveAs(ExcelFilename)
Excel.DisplayAlerts = False
oBook.close()
oExcel.Quit()
I'm creating an app that will be run via scheduled task, it will save an XLS file with the following naming convention:'S14-PROORDEREXP-Thursday' (the Thursday will change depending on what day of the week it is)I have the following line of code to save this excel file:
VB
If gstrJob = "S11" Then
xlWorkSheet.SaveAs(gstrFilePathS11 & gstrFileNameS11 & gstrFileTypeS11)
Else
[code].....
this will work fine the first time this scheduled task runs and there are no existing files but at the end of 1 week when I will be overwriting the existing files, how do I tell the application to overwrite the existing files without waiting on a yes prompt from me which it does in debug mode?
I currently have two applications. The main app and the updater app. When the main app checks his version with the webservice and it is out of date, it will download a zip archive and then start the updater. The updater will extract the zip archive overwriting the old files of the main app.
Is it possible to do this without the need of a 2nd app, in this case the updater? Can you like, store your application in the computers memory and overwrite the files?
The program I am making uses a save dialog box and when I save a file it works fine. When I save and overwrite the file it seems to append the data. For some reason it keeps all previous data and just writes the data again. I'm using the XMLWriter to save the files. Is there any way of fixing this?
View 5 RepliesI have a dataGridView and tied it to a button that saves every time you click it. and every time you click it, I want to write a line to a txtfile that displays how many records were changed and the date that they were changed. Everything works fine but every time a save has been made it over write the previous entry on the text file. Here is some of the code.
If changes > 0 Then
MessageBox.Show(changes & " changed rows were stored in the database.") ' changes shows how many entries were changed
swDate.WriteLine(changes & " record changes on " & entryDate) 'entryDate is formated as date with value of "Now"
Else
[code]....
I am getting the right results in the text file except it over writes previous entry's so there is only one entry saved in the text file at any given time. I want it to keep building the text file so every time something is streamWrited the previous things in the text file stay there and it add to it. Looking at my problem I cant really justify or implement a For Each..Next or a Do While..Loop. My vb knowledge is limited so go easy on me.
I made a program which uses sample.dll. The program communicates with this .dll and does various tasks. Now, lets say I developed a new dll (an update, pretty much). Can I just give my users a new copy of the .dll or do I have to re-reference it in my project and then compile my programs all over and then give them a new copy of the entire program?
View 5 RepliesI am going to handle an event to write all files in a directory to a text file.But only the last file's context is saved successfully, I think that because of overwriting.
Private Sub ExtractButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ExtractButton.Click
Dim FileName As String
Dim FileItem As ListViewItem
[code]....
Click-once deployments are suppose to maintain user settings, but on this one application we have the user settings are overwritten to the Visual Studio default every time we publish an update.
View 2 RepliesI have a class that inherits the Textbox class. My main goal is to prevent specific keys from being entered into the textfield. Now, I have a solution however I have one issue with it.
[Code]...