Unable To Check If The File "thisfile.exe" Exists?
Aug 27, 2009
i wanna be able to check if the file "thisfile.exe" exists, and if it does then delete all the other *.exe files it finds but not deleting the "thisfile.exe", how would i be able to do that?
Have only just started trying Visual Basic after using Delphi almost ever since it first came out. How on earth do I see if a file exists? - simple terms please
What 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
How can I check if a file exists on a server? Let's supposed that I want to check if "[URL]" exists. How can I do that?
I tried to do this but it does not work: Dim fso As New FileObject If fso.FileExists("[URL]") Then MsgBox("exists") Else MsgBox("File not found") End If
The following code will save an item to file over and over again, but how do I save an item only once? Dim w As New IO.StreamWriter("E:est.txt", True) w.WriteLine(ListBox1.SelectedItem, True) w.Close()
If, for example, number1 is already saved in the txt file then how do I not save it again, using something like the following? dim exist As IO.FileAccess ("e:s.txt") if exist.that.item.is.exist= true then w.WriteLine(ListBox1.SelectedItem, True) [Code] ..... I am using VS 2010.
Is there a way to find out if a file exists if you only have the file extension? I tried this but it doesn't seem to work. If My.Computer.FileSystem.FileExists(drive.Name & "*.cde") Then
I have some code that loads an XML which works fine, then it checks in a certain directory for a file. Then if that file exists it displays the file name if not it dispalys "no image available"
VB FolderBrowserDialog1.ShowDialog() If RBFP1.Checked = True Then TXTPath2.Text = FolderBrowserDialog1.SelectedPath If My.Computer.FileSystem.FileExists(TXTPath2.Text & "DatabasesFuture PinballFuture Pinball.xml") Then [Code] .....
How can I check if an Image File exists in a Folder?I need something similar to this:If C:***My RecipesNick's Milktart 237.png Exist ThenThe code that goes here is not a problem; I will show it as soon as it works.
i 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?
I have the login form glitch figured out, and now I'm wanting to make a system within the login form's code to check to see if the characters save file exists...
I have the save, load, and test load functions here as follows, and I want to figure out a way to make something test to see if both the character name and the password match a file and or see if they actually exist in that combination.[code]...
I was wondering if anyone could show me how to check if a tag exists?Here is the code that I am using to get the information from the xml.
Dim XmlFile As New XDocument XmlFile = XDocument.Load(WorkingDirectory & "ToolsMediaInfoMediaInfo.xml") Dim Manage = XmlFile...<track> For Each XmlTag In Manage If XmlTag.FirstAttribute.Value = "General" Then
This is the standard way of checking if URL exists [code]....
return true; } catch (Exception ex) { return false; } But my problem is that we have to check it for around 100 URL's. It takes more then 2 minutes to check for all as it is trying to get response of all of them. Is there any way that we can check if URL exists without getting complete Response so that total response time is less.
In my code, I want to check if a referrer url exists and if the referrer url contains a specific sub string. I know how to check for the sub string:
If( InStr( Request.UrlReferrer.ToString(), "some sub string here" ) > 0 ) Then
But I don't know how to check if a referrer exists or not. No refer exists if the url is entered in manually in the address bar. So I tried this, but this does not work:
If (Not (Request.UrlReferrer.ToString() = "")) And (InStr(Request.UrlReferrer.ToString(), "some sub string here") > 0) Then
I have a windows service which fetches data from various datasources and build a XML file and send it to a webservice. For example first I will get customer details from Oracle Database and build the XML file and then the SQL Server database and build the customer details XML. I am planning to use the same function below to build the customer object irrespective of what the datasource is. But dr("age") column is not available in SQLserver datbase How can I check if a column exists or not.[code]
I am using Caspol.exe to install a custom Permission set and add Code Groups for my .Net 2.0 Windows Application.
I have created a Console Application that uses caspol.exe to add Permission Set and Code Groups. I first install the Permission Set and if I do not get an error, I continue to install the Code Groups
Now sometimes I need to add a new Code Group to the client machine, so I make the changes to the console app and it is executed on the client machine. If the client machine already has the Permission Set installed, it returns an error and stops the further processing.
So, I want to know if I can check whether a custom Permission Set is already added or not?
How would i just if a website exists, and, if so, launch a browser to open it. I am making a little tool for one of my freinds and it allow then to quickly launch websites. How would I check if that is a valid website to launch, so i don't get an error if it is not valid.[code]The error i want to stop is "Cannot start process because a file name has not been provided."So basically i want to make sure that the program can launch the URL so i don't get this error
I cant get the following code to check if my regestrykey exists can some one help. the idea is to check if it exists if so do nothing if not create it, along with its value...
the full key is HKEY_LOCAL_MACHINESOFTWAREVTSAdvanced Offset 2AdminAccess > If Dir$("HKEY_LOCAL_MACHINESOFTWAREVTSAdvanced Offset 2Admin", vbDirectory) <> "" Then
I have a small database. 2 main tables called CaseDetails and Checks.Each record in CaseDetails can have 3 checks recorded against it in the Checks table. But can only have one check of each type (check types 1, 2, 3).I have 3 linkbuttons which will take the user to the input form for each 'check'. If a 'check' already exists i want to hide the linkbutton that takes the user to that 'check type' input form (the 3 input forms have different fields).So what i need to do, is connect to the SQL database and see if a record exists for each 'check type' and hide the linkbutton to prevent users from entering another record with the same 'check type'?I have tried reading the reults into an array and examining that array, but havent been able to do so.
I'm doing an application to manage a school of music, at the moment i'm working on registration (with MySQL DB).
Imports MySql.Data.MySqlClient Public Class Admin_Reg Dim server As String = "Server=localhost;Database=escola_musica;Uid=root;Pwd=;"
[Code].....
Now i want to verefy the table if the username exists or not. If it exists msgbox "Registration Complete", if not "Username already exists. Choose another one..."
I am trying to figure out how to check if a registry key exists. If it does, do nothing, if it doesn't, recreate it.I've found numerous resources on the subject, and have made progress, but one little thing is stoping me.[code]The problem is that this reports "Not Found", even though the key 'regkey' exists in the registry. Also, if I remove 'regkey' from the code, it reports "Found". So it does find the subdirectory in the registry.My question is, how do I check to see if the 'regkey' exists? I'm running Windows XP Pro SP2.