VS 2008 Open CMD.exe And Run A Command
May 2, 2012
I just started playing around with VB today and have been working on getting a very simple program running. I am trying to create a program where when I hit a button it will open a command window and run a command. I have worked on this for a a good portion of today, and have not been able to find a solution to do this.[code]I have been through a few other things to get it to work, but nothing has seemed to work. Is there a better way to go about this? it seems like it should be simple, but I'm just missing it.
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Jul 30, 2009
I have both the VB and C# versions of Visual Studio 2008 Express. When I run a console application in either version, instead of the console opening in an old DOS style command window like it does in VS 2005, it actually blacks out both monitors attached to my computer and treats the entire screen real estate as the console.Anyone know how to get the app to run in a small command-type window when I run it? It's like the console is running Full Screen. If I set a break point, switch from the IDE t the console and then hit Alt+Enter it switches to the small window that I want, but I still can't figure out how to make the app start with the console that way.I could post a screenshot but it would look like a big black square...no window, no frame, just the inky blackness of frustration.
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Feb 24, 2010
I am using the following code to run defrag and to analyze if the C: drive requires defragmentation:
Dim analyze As Process = System.Diagnostics.Process.Start("C:WindowsSystem32defrag.exe", "C: /a /h /u /v")
This process runs through analyzing, runs it in normal mode & prints the progress to the command window.
My problem is that as soon as the process is complete the command window closes. I need it to stay open so that I can read the results.
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Jun 26, 2009
I'm trying to put together a quick example for another thread about treeviews, and I'm getting a problem when I have a recursive routine, getting the message.
Quote:
There is already an open DataReader associated with this Command which must be closed first.
I'm a tad confused as I am explicitly creating a new command every time through the loop, so I'm not sure (unless its something ADO is doing behind the scenes) how the datareaders higher up the tree are interfering.
Here's my code :
Private Sub SetupChildren(ByVal ParentID As Integer, ByRef ParentNode As TreeNode)
Dim MyCommand As New SqlCommand("SELECT * FROM Groups WHERE ParentGroup=@ParentGroup", m_myConnection)
[Code]...
Obviously I could close the data reader down before calling the next level of recursion but it would prevent the code continuing the loop at the current level when it had finished processing children.
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Oct 2, 2011
I'm starting to make a program that will run some commands, so i need some code that will open command prompt and run the command "netstat -a".
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May 15, 2012
I have an application that can read certain types of files, and I have it working so that if you do "open with" from windows, it automatically starts the application and opens the selected file.
Unfortnately, I cannot get it to work for more than one file.
System.Environment.GetCommandLineArgs() contrains the following:
System.Environment.GetCommandLineArgs(0) = name and path to the .exe
System.Environment.GetCommandLineArgs(1) = name and path to the first file selected to be opened
System.Environment.GetCommandLineArgs().Length is 2 when the user tries to open 1 file, which makes sense since the first argument is the .exe itself and the 2nd is the path to the file, but it does not increase to 3 if the user tries to open 2 files... meaning that System.Environment.GetCommandLineArgs(2) is never populated Here is some sample code that shows the problem: It will recognize no files or 1 file being opened, but if you try to open multiple it will only show the first.
[Code]...
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Feb 16, 2012
I am running an application from my desktop as you see on the picture,and I don't know how to run File Open command on active form without mouse click,only with vb.application?
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Feb 16, 2012
I am running an application from my desktop as you see on the picture,and I don't know how to run File Open command on active form without mouse click,only with vb.application?
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Mar 13, 2012
There is already an open DataReader associated with this Command which must be closed first
Dim staffid = TextBox1.Text
Dim conn As New SqlConnection
conn.ConnectionString = SqlDataSource1.ConnectionString
[code]....
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Jan 27, 2011
I am trying to build a word add in to add xml files to documents, I am under the assumption that Microsoft.Office.Interop.Word.Application.ActiveDocument will work with the document being used, but when I try to use the add in I receive the error: "this command is not available because no document is open " o:
Dim activeDoc As New Microsoft.Office.Interop.Word.Application
Dim currentDoc As Microsoft.Office.Interop.Word.Document = activeDoc.ActiveDocument()
the second line.
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Jul 12, 2009
I have two datareaders: [Code] When i'm running the code i get this error in the highlighted line: "There is already an open DataReader associated with this Command which must be closed first." I used different variables in both readers, why do i get this error? do i have to open a new sqlConnection for this task?
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Mar 17, 2010
I know the "Process.Start" function, but it creates a new object of the cmd shell which terminates itself when the Python script is at its end. How can i open the original Windows Command Shell so that the Python file can run to its end without the box getting closed?
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Jan 28, 2010
I am trying to open a cmd window as an admin but it never works. I can open a command window but it does not open as the admin.. Here is my code (VB.NET 2008)..
'This is in a module Public strUserName, strPassword, strDomain As String Public SecPassword As New Security.SecureString() Public impersonater As New ProcessStartInfo()
[Code]...
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Feb 7, 2011
Ok...i have read all posts..and no solution...on main form I have...
adapSB.Connection.ConnectionString = "Password=xxx;Persist Security Info=True;User ID=xxx;Initial Catalog=dbone;Data Source=xxx
adapSB.Fill(DTSB)
and in class that starts new thread started every time users change some data(very often)
[Code]...
1. other parts of application are targeting other SQL server...just this adapter is updating only one row(table has two columns, some id and last time any of users changed something.
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Aug 28, 2009
Can you specify more than one open= command in the autorun.inf file?
This is what I am using and it only executes the first file open= command:
[autorun]
open=install.exe
icon=install.exe,0
open=xcopy usermanual.pdf c:Program Filesinstall directory
open=notepad readme.txt
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Feb 20, 2012
This reader is done in the form load event and is the very first thing done so I don't understand why it's telling me there is an open DataReader. I've also set MARS=True in my connection string so obviously it is something else.Here's my code and like I said the routine is called at the top of the form load event. The error occurs on the
Reader_Customer = command.ExecuteReader() line:
Module Globals
Public g_strConnectionString As String = "workstation id=" & System.Environment.MachineName & ;" _ & "packet size=4096;Connection Timeout=60; " _
[code].....
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May 29, 2012
I'm trying to figure out the script needed being executed by a button element (or some kind of element) to launch another windows form from the same project when being in another windows form? I'm a bit of a beginner with this language, so I don't know simple scripts like this one
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Mar 3, 2011
i use this command to open my ms access database file, but it is not working, what is the problem.... i learn this command from internet tutorials. [code]
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Oct 14, 2009
I get the following message "There is already an open DataReader associated with this Command which must be closed first." Is the insert statement the most effiecient way to write to the table row by row?
Dim comment As String Dim cnx As Data.SqlClient.SqlConnection = SqlCnx.SourceDB Dim cmd As New Data.SqlClient.SqlCommand("select number,comment from [Comments]", cnx) Dim daComments As New SqlClient.SqlDataAdapter Dim bsComments As New BindingSource cmd.CommandTimeout = "360" cmd.CommandType = CommandType.Text cnx.Open()
[code]....
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Jun 22, 2010
I am trying to open a cmd window as an admin but it never works. I can open a command window but it does not open as the admin.. Here is my code (VB.NET 2008)..
[Code]...
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Sep 10, 2009
how to open excel with switches using vb.net, similar to what "Run.." does in Windows.. eg: this is what you would put in the "Run" ComboBox : excel.exe /r "C:ook.xls"
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May 13, 2011
i am trying to open a excel 2007 file using a shell command in visual studio .net 2008 from a button object but it says "File Not Found" even though I created the file and put it into the same folder as the application.
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Jun 21, 2012
I am trying to do a runas command but it will not let me pass all the variables instaead it brings up a command prompt asking for a password how can I wait for the command prompt to come up and pass the command variable to the console? variable I need to pass is aPwd
[Code]...
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Jun 12, 2009
when i use the "anything.show" command, it will always open in a new window... How can i make it open in the same window?
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Apr 30, 2010
First let me say that I am not sure whether or not this should go in this section or the API section, and if it needs to be moved I apologize. My issue is fairly straight forward, but for some reason I cannot get it to work.
I am trying to send a command to a command line and then submit the command. I have been trying without success to get this to work in v2008 Express and v2010 Express, Here is the code I am trying to us:
Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" ( _
ByVal lpClassName As String, _
ByVal lpWindowName As String _
[Code].....
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Oct 21, 2009
In my program, I have a timer with a inteval set to 1000ms. The timer is executing a MySQL-command, and right now I'm opening and closing the connection each time.
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May 19, 2011
I'm deploying a VB.Net app (VS 2010 Pro) that requiers the user click a command button to open IE to a financial WEB site and download informaion from the site. The app works fine in every detail when installed on the development computer. But, on the target computer when the command button is clicked an unhandled exception occurs which says: System.IO. FileNotFoundException:File Not found.My code behind the button is Shell("C:Program Files (x86)Internet Exploreriexplore.exe www,fidelity.com",AppWinStyle.NormalFocus)
This works fine on the development computer. Do I need a way to code this as a relative path? If so,can you tell me how this is done?Throughout the app I have written relative paths to needed files using paths like (Open(Environment. GEtFolderPath (Environment. SpecialFoldder.Desktop) + "File Name). They all work fine when deployed.
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Mar 27, 2012
I have a number of independent visual basic applications. Now I want to develop a window that will have command buttons to open each of the applications. How do I write the code in these buttons?
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Mar 17, 2010
I am currently using psexec.exe from PsTools to send a command to a remote system to fire a command through a command prompt however I am finding that the shell I am doing does not seem to like the spaces in the path.
[Code]...
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Nov 8, 2007
Any ideas on how I handle the following error thrown in the SqlDataAdapter.Fill as a result of the BeginTrans in the callee?
System.InvalidOperationException = {"ExecuteReader requires the command to have a transaction when the connection assigned to the command is in a pending local transaction.The Transaction property of the command has not been initialized."}
[code].....
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