Managing An FTP Server With VB Code?
Jun 21, 2010
I'm trying to manage an FTP server with code that requires authentication.So I need to log in, get a list of directories and files within a sub-directory, Create directory, Delete directory and Delete File. (I know how to download and upload) I can't find any documentation on how to do this...though I would think it a fairly simple question to answer I seek not answers, but understanding, that I may not solve, but learn. What good is a fish without the skill to catch it?
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Jul 5, 2009
I would like to know how I can get a server ip.I have a textbox (textbox1), a label where the ip will be displayed, and a button that will get that information.this code is not related to this but it performs a simmilar action but instead in displays the ping of a given server:
Dim reply As System.Net.NetworkInformation.PingReply
Dim p As New System.Net.NetworkInformation.Ping
Try
[code]....
i want to use the same textbox to get ping and ip of a given website triggered by the same button.
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Sep 24, 2011
Whats the best way to organize code responsible for Form's content.In my case, there is a DataGridView and list, next to it, with a few options available (projects, managers, employees, etc...). Choosing any list's element fills DataGrid with proper data from database.Now, GridFill functions + handling of all add/delete/edit buttons of each list element gives quite a code in the Form's source, which bothers me a bit. How to split it then to avoid problems in the future? While googling, I've seen some advices to use partial classes, modules or just classes. Moving all functions relating the Projects, Managers, ... , to own separate class sounds like a nice idea but then comes the question how to pass all necessary data to the class functions.
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Aug 16, 2011
In a VB.NET (3.5) Windows Forms application that, among other things, creates Microsoft SQL Server Integration Services (SSIS) Packages, we want to be able to support the creation of packages both for SQL Server 2005 and 2008. To create packages compatible with SQL Server 2005, functionality from external Microsoft assemblies with the specific version of 9.0.242.0 are needed, and to create packages compatible with SQL Server 2008 the same assemblies need to be referenced, but with another version number, 10.0.0.0. There does not, unfortunately, seem to be backwards compatibility in that SQL-2005 packages could be created using functionality in the newer 10.0.0.0-assemblies.
Today, we have a very inefficient way of handling this. For each new release of the app, we have to: Build two different versions of the app, one "2005-compatible .exe" and one "2008-compatible .exe", by: Manually add/remove the specific 2005/2008-references at project level (properties).Comment/uncomment respective code that is not common between the two versions of the same assemblies.At installation time of the application, figure out if the machine runs SQL Server 2005 or 2008 and then install the corresponding build/version of the app.We do not ship or install any assemblies with our application but instead rely/pre-requisite on that the machine on which we install our software has either the 2005 or 2008 assemblies installed in its GAC (depending on whether SQL Server 2005 or 2008 is installed there).
I have learned that with a few tricks it is possible to reference and use identically named assemblies with different version-numbers in the very same project. But even then if we manage to do this, since the client machine always will only have only one set of the assemblies installed in its GAC (9.0.242.0 or 10.0.0.0 versions depending on which SQL Server version it has installed), and we need to reference both sets in the project to have "full support" for both 2005 and 2008, how can we avoid potential "missing dll-messages" when the client runs the app? We do not feel very excited about having to ship/install 2005-assemblies on a 2008-server and vice-versa, that would never be used by the application, even if this would constitute a solution to the above problem.
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Sep 18, 2010
I have a code in VB that looks like this:'Server.Transfer(txtUser.Text + "_page.aspx")which is taking a forms authenticated user to their page. For example if John logs in, it will take him to john_page.aspx.How will I be able to integrate this in a PHP login script?I'm trying something like:header("location: $member ._page.php");but I don't think I'm doing this correctly.
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Aug 24, 2011
I have a situation where I need to create a session in a Windows server using a specific Username and Password.
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Sep 1, 2009
I have a client who needs Excel VBA code that produces formula values moved to VB.NET. He is in the business of providing financial analytics, in this case delivered as an Excel add-in. I have translated the VBA into VB.NET code that runs in a separate DLL. The DLL is compiled as a COM Server because, well, Excel-callable .NET UDFs have to be. So far, so good: Excel cells have "=foo(Range1, Range2, ...)", the VB.NET Com Server's UDF is called, and the cell obtains a value that matches the VBA code's value.
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Sep 7, 2009
In VB.net, how can you programmatically launch a .exe file? Is there a way to check if the file is there?
I know there is some way to check using System.IO, but I have no idea. However, I have not even the slightest clue as to how to launch that .exe if it is there,
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Oct 12, 2011
In my programme, Student have to select 1 major subject out of 5 subjects and 1 subject for major2 subject our of 4 subjects. And student will have to select 1st major subject according to the preference and will have to select each 4 subjects for major 2 subject against each major 1 subject.as an example if student slect csc for major1 he can select 1st preferce stat , 2nd pref.. maths, 3rd pre.. managment. 4 th pre... eltn for 2nd mejor subject.so, if anyone select one subject for major 1 , I want to remove it from major 2 and display the rest of subject.
cmbBox2.Items.Add("CMIS")
cmbBox2.Items.Add("ELTN")
cmbBox2.Items.Add("IMGT")
[code]......
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Jun 6, 2010
I'm populating a listview with a list of databases on a selected SQL instance, then retrieving a value from each database (It's internal product version, column doesn't always exist) I'm calling the below function to populate the second column of the listview:
[Code]...
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Mar 21, 2011
I have a class that seems to be recursively adding an EventHandler to an event. I have looked at the code but there is no AddHandler on it and there's only one method with the Handles clause.In the memory profiler it shows that the event handler is calling the event handler that is calling the event handler and so on for a rather large number of steps.
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Nov 16, 2011
I have a form, 24 buttons on it...Thet name is button1, button2.... I created this.How can i change tabindex at run time?And how can i use this:?for i=0 to 23button(i).text=""
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Nov 27, 2010
I Want manage the keys state in my program(in vb 2010) but 'key press event' cant manage more than a key in a time.i want manage keys for commanding something.(for example if "CTRL AND AIT AND Shift And "A" and "S" was pressed do something)
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Apr 15, 2010
I am a beginner programmer, and taking my first course in VB.NET in college. I am writing a program that teaches the user step by step to solve a rubiks cube. One problem I am having is how to manage the 20 forms that make up my program. Currently, when the user procedes to the next step, I make the current form invisible, and show the next form.
ex. Nextbutton click
form2.show()
me.visible = false
[code].....
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Feb 25, 2009
have been writing code to replace an old Fortran program. The Fortran program had very organized subroutines which could be called from anywhere in the project. Most of these were relatively small and left a small, easily followed main routine. I'm converting over to VB.net and when I write the subroutines they are all on the same form. Wading through 50-100 subroutines on one form is going to be messy.
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Jul 28, 2011
After casually creating a program to manage media (music, films, photos etc.) I came across a lack of functions that could be solved be being able to identify the length/ genre/ album/ artist of the song in question. find these file attributes (using a database is out of the question due to lack of resources).I'm reading the song into a string array from the folder they are contained in with the code:
My.Computer.FileSystem.Getfiles(FolderPath).copyto(MusicArray,0)
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Jan 19, 2011
When I try to use the add/remove metho9ds for an x509 store on the root authority (code below) I get confirmation dialogs.Is there any way to avoid those dialogs??
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Feb 7, 2012
It's me again, trying to have multiple projects in the same solution. How can I do that?
I know that the project name should accompany whatever functions I'll be calling but somewhere it does not work.
One more thing, can I include forms in all the projects I create?
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Feb 9, 2010
An application I am developing creates a directory and text file within the directory. A button is then coded to add a text string to text file. An error is issued stating the file cannot be written to as the is open to another process. This suggests the file needs to be closed before it can be written to.
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Jan 3, 2012
Managing WindowsMediaPlayer in a Form
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Mar 17, 2009
what would be the best way to manage a connection to a database in asp.net.My application is built using an N-Tier architecture.The DAL consists of static classes with methods such as
Public Shared Sub Delete( _
ByVal connection As MyConnectionClass, _
ByVal contact_id As Integer, _
ByVal contact_timestamp As Date _
[code]....
The point to note here, is that I pass the connection to the DAL from the BLL.Should I create the connections in the MasterPage, store it in an object, then pass it to my business objects as I create them (the thing I'm trying to avoid)Should I create a connection using a static class and calling a method like CreateConnection on it, from the constructor of my business objects (Something I'd like, but I don't want to have a connection per object, I'd like it to be shared for all instances of my objects, but since asp.net is multi-threaded, a static class doesn't make sense to store connections) the solution should also work well in a Windows Forms environment (So no connection storing in session, and retrieving it with a static method in a class, for the current context)?
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May 26, 2012
I have seen a few .NET apps use .db files. I am not new to Visual Basic, however I have never created a VB app that uses databases. I do know PHP pretty well, and working with databases in PHP I am familiar with.
[Code]...
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Feb 16, 2010
i am currently trying, to create some sort of a business logic within my class, that contains information about a machine, now this machine once sold, can be re-sold by its owner. the company needs to keep track of the machine and its owner for warranty claim purposes.the class takes in two values, a from date and a to date.now when a new owner is added to the owner collection of the machine, the TO date of the previous owner should automatically be updated to one day less than the From date of the new owner that is being added.
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Mar 20, 2009
I started throwing exceptions on a multithreaded application, and got a mess.There is a good tutorial on managing exceptions in multithreaded applications?
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Oct 3, 2010
I've got a "Loading" form which I display as a modal form when doing lengthy processes. I'm using the below to keep the form centred within the child form performing the process. However, when minimisingmaximising the "Loading" form appears before the parent making it look a little unprofessional. Anything I can do about that (Delay it appearing or attaching it in a different way)?
[Code]...
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Feb 3, 2010
Now days it is done in Resources.Designer.vb we have there following lines:
Friend ReadOnly Property ResourceManager() As Global.System.Resources.ResourceManager
Get
If Object.ReferenceEquals(resourceMan, Nothing) Then
[code]...
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Jan 27, 2010
I wish to develop a client-server application in VB.NET. I want to store some fields in Unicode. As per MySQL documentation I tried the fields with varchar and charset UTF-8 for storing Unicode data.I could insert data using the MySQL connector command object but when I try to display data in datagridview some junk is appearing.
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May 5, 2009
I have a program in accounting that is used by many clients and users at the same time in a network. Many modules have a reference no. like in the receipt that increments upon saving, it also Checks whether that reference no. is already in used.
However problem arises when the many users use the same module at the same time. My question is How do you manage incremental values on each client's PC? Their local system somehow competes for the next incremental no.
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Jun 2, 2011
i want to process a list of strings using multiple threads. the first function pases it, it then send the result to another, and finally that one displays the final result in list view
dim items as new list(of string)
private sub button_click()
start parsing thread
threadParse = New Thread(New ThreadStart(AddressOf startprocess))
threadParse.Start()
[Code]...
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May 27, 2011
Is there a quick and easy way to make a VB.NET user interface for managing the data in a normalized DataSet? I know that is a very subjective question, so let me explain. For a brief period early in my career, I used to create user interfaces in Microsoft Access. I developed a simple, but very effective approach to user interface design. Here are some details of that approach:
[Code]...
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