2 Methods Of Opening A File Not Working?
Oct 23, 2010
I am trying to call a batch file from my program. It opens the file but the file doesn't work. This requires a little knowledge of java.
method one:
Code:
Dim odlg As New OpenFileDialog
odlg.InitialDirectory = path
odlg.Filter = ("Batch Files (*bat)|")
[code]....
Both of these make the batch file appear but somehow it isn't opened correctly or something. The two batch files are in the resources of my project. They get copied to a folder and that directory is named "path" which appears in the code above. Then I try to call the file from that folder with the directory being called "pathComp" which also appears in the code above. This batch file is meant to compile the java files created in a folder by the program by using the command "javac". Now when I run the program and get to this point and the batch window opens the cmd window says this:
Quote:
javac: invalid flag: *java
Usage: javac <options> <source files> use -help for a list of possible options
[code]....
It doesn't compile the files, however when I run the batch file independently of the program it works fine. I really need some help on this one. If you need it here is the code for the batch file that is called:
Code:
@echo off
title Java Compiler
:start
[code]....
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Apr 26, 2011
I'm trying to search for a file in VB. If it exists I'd like to read it in. If it doesn't not exist I'd like to create it. I'm working in Visual Studio 2008. I was using a Streamreader before, but when I did that I was never getting any sort of error if the file wasn't there, which isn't what I want.
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Feb 13, 2011
I am working on my application as I am checking ip using with .StartsWith and .EndsWith method. If the ip is equals then it will equals with US. However I have got an error with end of statement expected error using with this line: [code] I have tried to use "And" instead of "&", but I still get the same error.
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Jul 1, 2010
I am trying to get my code working as per the instruction on [URL]So far I have the wrapper:
Public Delegate Function PredicateWrapperDelegate(Of T, A)(ByVal item As T, ByVal argument As A) As Boolean
Public Class PredicateWrapper(Of T, A)
Private _argument As A
Private _wrapperDelegate As PredicateWrapperDelegate(Of T, A)
[code]....
Then I try to call it from my code:
Dim children As List(Of String) = toplevel.FindAll(New PredicateWrapper(Of Integer, Integer)(Did, AddressOf DidMatch))
I then get an error on DidMatch ... Error Method 'Public Function DidMatch(item As DeptMenuData, did As Integer) As Boolean' does not have a signature compatible with delegate 'Delegate Function PredicateWrapperDelegate(Of Integer, Integer)(item As Integer, argument As Integer) As Boolean'.
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Feb 27, 2009
I understand how the class modifiers work like public, private, protected, friend and protect friend. They are pretty straight forward. However my question is, if I have a class is marked as friend, what should the properties and methods be marked as? Friend or public? Does it matter? I just want my classes at the lowest exposure level that will let my program work properly and that is friend. If I understand correctly, the public properties of a friend class are available to all members of the assembly. Wouldn't that be the same access level if the properties were all friend properties?The reason that I ask is that using the autocomplete feature to make new properties (type property and hit tab) it creates the new properties with the public attribute.
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Jul 18, 2011
Private Sub cmdScriptsSearch_Click()
'Declare variables locally to search for scripts in the Excel
Dim vtemp, vSimpleCount, vComplexCount, vMediumCount As Variant
Dim iRowIndex, iColumnIndex, iSearchText As Integer
[code]....
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Jun 12, 2012
I must have inadvertly messed up my data connection but not sure how to fix it. when I check the table adapters I can view data but when I load the app I get these errors and no data loads, how can I look at this log and make sense of how to fix this?
************** Exception Text **************
System.Configuration.ConfigurationErrorsException: Configuration system failed to initialize ---> System.Configuration.ConfigurationErrorsException: Only one <configSections> element allowed per config file and if present must be the first child of the root <configuration> element. (C:BungeAppsBunge Post InstallerinDebugBunge Post Installer.exe.Config line 7)
[code]....
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Aug 29, 2011
This is the original code in c#
public class CategoryRepository: RepositoryBase<Category>, ICategoryRepository
{
public CategoryRepository(IDatabaseFactory databaseFactory)
: base(databaseFactory)
[Code]...
Does anyone has an idea what i should change to let it work and let my UserRepository use the methods in RepositoryBase while implementing the IUserRepository?
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Jun 24, 2011
I am working with a vb program, but there is something strange on one of my .vb code pagewhen i put the "dot" afther the object name its dont show the methods availables for this objectbut on other vb code pages i can see it. but in this one no.for exmaplethis is a piece of code: Dim sb As New StringBuilder()
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Mar 29, 2010
I am not sure how clear my question is by the title, but I am trying to make Class methods instead of Instance methods in Visual Basic that way I don't have to waste memory and code creating temporary objects to execute methods that don't need instance variables.
I am not sure if you can do that in VB but I know you can in Objective-C by using either a "+" or "-" sign in front of the method declaration. And in C++ (at least I think, I can't remember) you put the static keyword or const keyword in front of the function.How would I do this in VB if it is possible? Or should I just make a separate set of functions that are not members of a class?
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Aug 1, 2011
I have 2 functions for opening and closing Windows Explorer, which is still working fine with Windows XP and even Vista. The same functions not working on Windows 7. Following are the functions:
Dim HTProcess
As New Hashtable
Private
[Code].....
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Jul 9, 2009
I have 2 functions for opening and closing Windows Explorer, which is still working fine with Windows XP and even Vista. The same functions not working on Windows 7
Dim HTProcess
As New Hashtable
Private
[code]...
And 'CloseFolder' functions not able to close the Windows Explorer in Windows 7
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Mar 15, 2011
I'm trying to write a program that will read a text file, and sort of filter out some things into some new files for myself. I have a website that I like to put information such as Artists, and songs for music. My website writes the Artist, and Song I input to one file on a new line in the format of (Artist - Song). The problem is it's gotten massive! I want to start organizing my artists, and songs anyway I come up with but I don't even know where to begin. To narrow it down I want to go into the file grab the artists name before the (-) and then write it to one file. After that I want to write everything after the (-) which is the songs to a different file. What file reading, and writing method should I use? As you might be able to tell I'm quite the noob.
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Feb 15, 2012
I have a program that can save user's input into a text file and load it back, but whenever I try to open the file and exit without selecting the file I get an error.(if i select the file and open it i don't get any errors).
This is the code that handles text file loading:
Private Sub Button4_Click(sender As System.Object, e As System.EventArgs) Handles Button4.Click
OpenFileDialog1.InitialDirectory = "C:"
OpenFileDialog1.Filter = "Text Files ONLY (*.txt) | *.txt"
OpenFileDialog1.ShowDialog()
[CODE]...
The error is :"FileNotFoundException was unhandled. Could not find file at xxx". also I would like to know how to make it so that the initial file name for file saving is today's date. I do not get any errors when I try to save the file.
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May 22, 2012
I need to open an excel file from vb.net and then search it for specific data. I then need to take those data and insert them into text boxes on a form that i have created. This is all controlled by a button click. I already have some code that will open a file dialog box and let me navigate to the correct file, but I am having trouble with the search portion. I have tried the Find function but I am not sure of the proper syntax. I am using Visual Studio 2008 and Excel 2003.
[Code]...
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May 21, 2009
Ok what i want to do is have a user specify a directory when this for is opened and have it remembered everytime this for is open,Also i have a few buttons and whenever the user clicks on one of the buttonsa i want it to open a txt file delete everything in it and write a value that i specify
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Jul 20, 2009
I'm having a slight problem getting my program to load a save file when double clicking the save file.I'm using the Command$() to get the command line argument. I can open a save file by dragging it onto the exe. But not by double clicking the save file (after it's associated with the exe).I though dragging and dropping a file on a program and double clicking the file would open it in the same way, but I guess not.So in short how does file association work and how do I get the file path set to a var when the program loads.
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Jan 5, 2010
I got a log file (Log.txt) a timer and a RichTextBox1.Text The timer is opening the log file again and again every milisecond here the code:
Code:
Okay that keeps the track of my log file inside my richtextbox , but there is a big problem there. My richtextbox slows down hard if the log file gets too big.. Sometimes it kicks me out of the program and in taskbar it says Program Not Responding..
I wanted to know if there is a method to read a bigger Log file with out having such issues. (It mostly happens when log file goes over 13000 characters)
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Nov 11, 2008
I am using VB.net 2005 and I have a timer running on form1 that communicates modbus with a relay io board. There should be constant uninterrupted communication between the two devices and that is working until I open the data logging form2 and import data from a large sequential text file. While I am parsing data, the timer from form1 stops communicating with the modbus device. Once the data is done, the timer of form1 resumes communication with the modbus device. Is there some other method I could use to make sure the modbus communication is never interrupted.? Is there a command I can periodically run from form2 while the data is being parsed that will keep the timer on form1running?
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Aug 6, 2010
iam very new to vb.net programming, can any one help me in opening a dwg file in vb.net,
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Jun 7, 2010
My program performs a search on a specific directory and returns a list of files with specific criteria. When the user selects a file name in the list box and Clicks the button, I want the program to open that file and print it. I have two functions - one store the file path in a text box and the other gives me an option to select the printer. have no idea how to open the file using that path and how to get it print.If i specify the hard code the a specific file path, it currently can open all files except a .dwg file. For a .dwg file, my program opens auto-cad and crashes?
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
For Each file In LstSelected.Items
[code].....
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Jun 13, 2012
im wondering if it is possible to open an attached file to a database record. for example in EmployeeID 000 i have a MSWord attachment. the user can open this msword file through the VB6 program. all i have saved in the database is the location of the attachment but the user cannot view this attachment.
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Oct 6, 2009
I've created my code to open files, and manipulate anything I need in a text environment but I cannot find how to open a already zipped file. I am using 2008.
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Feb 25, 2010
I am using OLEDb to read .txt file database, it works most of the time here is my slect statement:
[code]...
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Apr 28, 2010
I have copied and pasted wordpad.exe into c:windowssystem32wordpad.exe So that whenever i will type "wordpad.exe" on command prompt;;;; It will obviously run wordpad from command prompt.when i opens CMD and types--------
C:Documents and SettingsAdministrator>wordpad "C:Documents and SettingsAdministratorDesktopapr_26_2010_eveapr_26_2010_eveDATAhelp.rtf"
It opens help.rtf file with wordpad.Everything is ok ....BUT....From a vb.net 2003 project its not working.......
Dim cwd As String = System.IO.Directory.GetCurrentDirectory
Dim slash As Integer = cwd.LastIndexOf("")
cwd = cwd.Substring(0, slash + 1)
[code]....
BUt it is not running the wordpad with that help file....Would you like to give any hints for..... displaying that file from cmd using the same code.
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Mar 7, 2012
I have successfully created and written to a .dat text file. The code below shows how I did this.
filename = "Login.dat"
FileOpen(1, filename, OpenMode.Random, , , Len(user))
NoOfRecords = LOF(1) / Len(user)
[code].....
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Nov 14, 2009
Is there a way to delay the start of a text file? I am using this to call the TXT file after clicking a button: (opens txt file)Process.Start("text.txt")I was wondering if there was a command to delay the TXT file from opening for a number of seconds?
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Jul 14, 2010
My application generates XLSX files based on a users requirements.
After the XLSX file is generated the user is redirected to where the file is saved using Response.Redirect...
Response.Redirect("filename.xlsx")
When the user then opens the file... they recieve this message.
The file you are trying to open, 'filename.xls', is in a different format than specified by the file extension. Verify that the file is not corrupted and is from a trusted source before opening the file. Do you want to open the file now?
As a temporary fix I've instructed my users to press "Yes" when they receive this message and the file opens perfectly fine.
Does anyone have any ideas why IE6 is trying to open an XLSX file as an XLS?
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Aug 21, 2009
I am developing an Excel workbook at work and I've got a problem. I'd like to save information entered in the workbook and save it in another one (called List, for example purposes), using a macro. The problem is that the file in which I want to save the information is located on a server. When people open List.xls, it's Read Only. So, when my macro executes, it opens a Read Only workbook...I'd like to do "Open As", just like you could do by right-clicking on any file in Windows XP. The result would be that the macro would log on as administrator only to open List.xls, write in it and save it under the same name.
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May 16, 2010
I have created a .wsf file which on opening executes some functionality. I need to open this file in vb for my project to work, but i don't know how to do this.
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