[2008] Delete Text If It Exists?
Feb 27, 2009blic Class Form1
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
[code]....
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VS 2008 - Unable To Delete Text File?
Apr 5, 2010I ran into a problem trying to delete certain text files. 99% of the time everything works fine but every once in a while I get a problem trying to delete certain text files. The exception thrown has a lot to say so here's a screen shot of it. :
Attachment 77319
Here's the code I use to delete the text files.
If File.Exists(StringForTextFile) = True Then
Try
My.Computer.FileSystem.DeleteFile(StringForTextFile)
Catch ex As Exception
[Code] .....
I was thinking that maybe if you tried to send the file to the recycle bin it would always allow that. What would the correct code for :
My.Computer.FileSystem.SendFileToRecycleBin(StringForTextFile)
VS 2008 : Delete Special Character From Text?
Oct 9, 2010i have problem in Delete special character from text
case: "Valid file extensions: {(asa , asmx , asp , aspx ,xlt ,zip)}"
i need delete marks " { } ( ) : , from text After process is:Valid file extensions asa asmx asp aspx xlt zip
VS 2008 Delete Line In Text File?
Jul 6, 2009I have a routine that will check a text file for a line to be deleted and deletes it when found. Now the problem i have found is that the lines can be slightly different depending on what the user has done. Now in the TXTSETUP.SIF which is a file in the Windows Source you have the following lines FIG 1. FIG 1: It may look like this: ascent.jpg = 1,,,,,,,,3,3autumn.jpg = 1,,,,,,,,3,3
View 1 RepliesVS 2008 Delete Lines In Text File?
Dec 27, 2009remove line from text file?
View 6 RepliesCheck To See If A Text File Exists?
Nov 21, 2011What I want my code to do is to check to see if a text file exists, and if it doesn't, it'll create one and write to it, but if it does then I want it to make the contents my label's text.
Here's my code:
Imports System.IO
Public Class Main
Private Sub Main_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code].....
Checking If A Text On A Label Exists In Datagridview
Jun 27, 2010I am adding the text of a label into a datagridview. But before i do the insert, i want to check if the text does not already exist in the datagridview.
View 1 RepliesFind Out If A Text File Exists On A Server?
Aug 10, 2009What I to do is be able to find out if a text file or any file exists on a server such ass we all know that exists but how can I get VB to produce a message box telling me whether this file exists let alone get VB to search for the file, I've search the site and the MSDN but I cant figure out what code i need to do its been bugging me for weeks
View 4 RepliesCreate A Text File Or See If A Text File Exists When Application Starts?
Nov 3, 2009I want to create a text file or see if a text file exists when application starts. The problem I was having was after creating the text file, I tried to write to text file and got an error saying that another process was using it.
Dim test As String = My.Computer.FileSystem.SpecialDirectories.MyDocuments & " est1.txt"
If System.IO.File.Exists(test) Then
MsgBox("File Loaded")
Else
[code]....
I looked up topics on filestream, but am unsure if this is how to use it. Is my code ok? Is there another way to create a text file?
Button Which Checks With A FTP Server If The Text In A Textbox Exists As A File?
Jun 12, 2010Couldnt think of a good name for this post but I tried my best.I have a button which checks with a FTP server if the text in a textbox exists as a file. If it does then form1 opens.Sometimes the connection check times out.So Is it possible to make a small code like this? if form1.show (doesnt show after 10 seconds) then go back to the beggining try again end if
View 2 RepliesSave Text File In Folder Where EXE Exists With One Click Of Button?
Mar 15, 2012I have a simple program that opens up a text file and changes it and then what I want to do is save a text file when you click the "convert" button to the directory that the exe exists in e.g. "C:UsersBeaudeanDesktop--Distro--" etc. so say I have a richtextbox with the text in it I want to save and a button called "convert", when I click convert it will save it in the programs root folder with the name "main.html" and I also want it to overwrite any file with the same name.
View 3 RepliesVS 2010 Get All Text Files In Directory And Remove A Line If Exists
Aug 28, 2011I currently have a bunch of text files I need to edit in a folder, I need to edit each file and remove the same line but not all files have this line, so I need to create a script that needs to check if the line exists then remove it.I have 1000s of files, that's why I need help to be able to create a script that does it for me instead of me editing each one manually.I am not sure on how to do this, but I am sure it is not difficult for people that have good experience with VB.net.
View 8 RepliesVS 2008 Use VB To See If A Certain URL Exists?
Sep 23, 2009Is it possible to use VB to see if a certain URL exists. For example see if [URL]
View 3 RepliesDelete All Text After A Spacific Point In A String Of Text?
Feb 24, 2012I have a text file as follows:for example:
apple:1 southafrica:34
5.00
orange:2 southafrica:23
[code].....
Delete All Text After A Specific Point In A String Of Text,?
Oct 18, 2010I have the first part done, ... I can delete all the text before spacific text, ... now I need to delete all text after a spacific point in a string of text.
I'm making a better, and more simpler BandWidth Monitor, and I'm extracting the Bytes Recieved, ... but just the value, and leaving out all the rest of the text.
here ya go, check it out.
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code]....
VS 2008 - Checking If Process Exists
Jul 19, 2010I've created the following function and thrown it inside of a timer:
[code]...
It works, but it keeps trying to open media player for each process it looks like. I need to continuously run the function so that Media Player opens when it's closed.how to make sure it opens only once when the process doesn't exist?
VS 2008 - How To Find Out If Value Exists In ComboBox
Jan 17, 2011Controls: textbox, combobox and button
I want to have a condition to find out if the value I enter in the textbox exists in the combobox. The combobox reads a text file.
VS 2008 - Item Exists In Listview?
Sep 9, 2009I am filling a listview control with a big number of items but i came across an problem, the repeated values. In those items i use .Text and .Tag so i can relate some hidden values per item. I have been trying to use the items.find() with no luck since it looks like to search for keys, which i don't really have. Every item has different .Tag values but it can happens that they have the same .Text Is there any way to remove or just not add items based on a .Text search in the ListView?
View 13 RepliesVS 2008 : Determine If A Website Exists?
Jan 10, 2010Im just trying to determine if a website exists when i navigate my webbrowser. via messagebox.Ive tried this so far but it wont work:
Private Sub WebBrowser1_DocumentCompleted(ByVal sender As System.Object, ByVal e As System.Windows.Forms.WebBrowserDocumentCompletedEventArgs) Handles WebBrowser1.DocumentCompleted
If WebBrowser1.DocumentText.Contains("Action canceled") Then
[code]....
VS 2008 Check If Record Exists Or Not?
Apr 14, 2011I am using VS 2008 and MySQL. Which one of the following methods is efficient or a proper one to check if record exists or not before making an attempt to insert.
1. HasRows Property.
2. Select Where Exists
3. Select Count(*)
Or if there is any other appropriate method ( which i am not aware of ) available to do it in vb.net ?
VS 2008 Checking If A Drive Exists?
Feb 9, 2011I'm checking is a file exists as follows.
If txtGradeObs.Text = "" Or Dir(txtGradeObs.Text) = "" Then
MsgBox("Specify the Grade job of Obstructions", vbExclamation, MsgBoxTitle)
Exit Sub
End If
I get an error if the drive does not exist - i.e. G: rather than C:. It used to work in VB6. How can I get it to work.
VS 2008 Determine If Worksheet Exists
Feb 15, 2010I am trying to create a function that will determine if a worksheet within the active workbook exits. I have searched many web sites without any luck. Here is the coding I have currently:
HTML
Function SheetExists(ByVal sheetname As String) As Boolean
Dim oWorkbook As Excel.Workbooks
[Code]....
It errors out at Dim oWorksheet As Excel.Worksheet = oWorkbook.Sheets(sheetname).
The error message I am getting is "Object variable or With block variable not set."
VS 2008 IF Record Exists In Dataset
Nov 20, 2009At the moment when a user logs into my system it checks to see if a job exists, if so the records are put into a datagridview. However, if there are no jobs in the database I get an error.
[Code]...
VS 2008 If Row Exists, Update Instead Of Insert?
Apr 15, 2010looking at the code below I have a form that is inserting data from text boxes and a datetimepicker into my database.If Date.text and Shift.text already exist in a row then UPDATE instead of INSERT a new row?
conn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=database.mdb;"
da.SelectCommand = New OleDbCommand("SELECT ID, idate, icomment, ishift FROM table")
da.SelectCommand.Connection = conn
[code]....
VS 2008 Saving - If File Exists
Aug 5, 2009How can I make it that if a file exists, it will rename it with the exact name, but with a number by it? For example, my program takes a picture and names it "screenshot." I want it to make it say "screenshot1," if "screenshot" is already used, and so on. This is what I tried, but didn't work.
Dim name as String = "Screenshot"
If File.Exists("C:This" & name & ".png") Then
screenshot.Save("C:This" & name + 1.ToString & ".png",
[CODE]...
VS 2008 Test If Datable Exists?
Jun 28, 2009how can i test if datable exists?
View 1 RepliesVS 2008 Updated Other Record If Exists?
Sep 25, 2011i can't find any wrong, if record exists then updated the record but only can insert the new record.
cannot updated the record.why?
[Code]...
How To FileInfo Before, Delete Or SHIFT + DELETE, Process Final Delete Of File
Feb 13, 2011How can be find out which file is going to delete when, user provides command like DELETE or SHIFT + DELETE or by programmatically gives DELETE command. Well I know about FileSystemWatcher Class, but this class doesn't provide information before delete...
View 1 RepliesVS 2008 : Check If A File Exists In A Directory?
Sep 5, 2009i want to check if a file exists in the Application.StartupPath. I tried My.Computer.FileSystem.FileExists but that checks the whole computer doesn't it. ? How do i check if a file exists in a directory?
View 5 RepliesVS 2008 : Check If HTML Element Exists?
Sep 8, 2010How do I check if an HTML element exists? This element will only "show" on a certain event. ex: numbers in a non-number textbox or something. I tried
If WebBrowser1.Document.GetElementsByName("ElementName")
But that won't work, because the element "is in" the HTML, even though the page doesn't show it yet.