I use: 'Execute Command (DOS) commands Dim StartInfo As New ProcessStartInfo Static sMyProcess As New Process StartInfo.FileName = "cmd" .... 1) Is there another file that runs DOS commands in XP besides cmd? Does the XP Command prompt window use cmd or something else? ...more >>

How can I tell via code if a Form is already open. Each time my forms load I have some initialization code that runs, but if the form is already open and hidden I don't want that initialization code to run. Thus, I just want to unhide the form. My thought is eveyrtime I go to load a form...more >>

When loading my project i get the following error message. The form referred to itself during construction from a default instance, which led to infinite recursion. Within the Form's constructor refer to the from using "Me.". I have a main form named frmMain. I have another form named fr...more >>

I have this code below that will open a created file and read the file to the end. However if my file has values 200,300,400 seperated by commas how can i read in each seperate value and place it into an arraylist? I need to do some sort of commas split to just read the values and not the commas...more >>

Hello, I want to ask this: If i do: System.Diagnostics.Process.Start("c:\lame", "--preset standard c:\blabla.wav c:\blabla.mp3") it works. But i don't want this. I want my 2 textboxes must take place as variable like: System.Diagnostics.Process.Start("c:\lame", "--preset standard textbox...more >>

I am writing a newsgroup client. I have the protocol figured out. But I get slow transfer speeds off any of the network objects read the data from For example one of the commands for a news client to use is "XOVER articlenumber-" This return string after string of all the news articles f...more >>

Hi all, I'm porting a peice of Perl code and it has the following regex: $text2Check =~ s/\x0D\x0A|\r/\n/g; I'm confused about the s/ and /\n/g. Anyone know what the equivalent is for .NET? ...more >>

Hi, I remember reading about Dynamic Interfaces when VB 9.0 has been announced. http://download.microsoft.com/download/5/8/4/5841bc1a-e864-4423-bb75-d4f3c18c0af5/visual%20basic%209.0%20overview.doc http://channel9.msdn.com/showpost.aspx?postid=116702 What happened to this feature? Is it avai...more >>

given the post date of Septemtber,I have set the monthCalendar.calendardimensions = 1,3. This displays Sept, Oct and Nov, but I would like to display Aug, Sept, and Oct. Is there a property that will allow this ? ...more >>

I have a databound grid on my form. I edited the collection and set the defaultCellStyle.Format = c2 on a particular column, but when I enter 100 thats the way it is displayed in the grid. If the format is c2 it is supposed to display $100.00. What am I missing? Thanks ...more >>

Hello All I Use The Command Me.ImageList.Add(Image.FromFile(PATH)) To Loed Images To An ImangeList But The ImageList Dont Save The Images (Delete Them From The HD Or Change Their Path They WIll Disappear From The Imagelist) So Please How Can I Save Them (I Must Use The Path) Thanks For All ...more >>

I have a routine that creates a series of comboboxes, each of which is bound to a common dataview. Everything used to work fine, but now, when I change the value of any of the comboboxes, the value in ALL of the comboboxes changes to the new value. I have boiled down the code to the simplest ...more >>

is there a VB .NET way to use the API "DeviceIoControl"? -Lou ...more >>

I want to create a new column in a datatable from two existing columns. I have no problem to create the new column using the datatable.columns.add method. The problem is the value of the new column may become system.dbnull since one of the two existing columns may have system.dbnull. How ca...more >>

Here is the code: 64 If objdr.Item("BD") = "" Or objdr.Item("BD") Is DBNull.Value Then 'test to see if result is blank or null 65 strBD = "00000000" 'No birthdate found so set to 8 spaces 66 Else 67 strBD = objdr.Item("BD") 'All ok so leave as is 68 End If Here is the erro...more >>

I am new to dotnet and I'll tried searching Google for a solution to my problem. I am hoping that it is possible to do, or am I going down a dead end? I have a User class that has known properties from a DB table (EmployeeID, FirstName, LastName) and a set of unknown properties that need t...more >>

Hi there, I recently built a relatively simple application in VB.net using VS Studio 2008(the front end is attached to an Access database). Everything seems to run smoothly on my machine and on any other machine that has the .net 3.5 framework installed, but on any machines running .net...more >>

I'm trying to create a scheduler program to keep track of what parts of our training grounds are being used on what days. I'd like to have a drawn out representation of our training areas and show the reserved areas shaded. Is there an easy way to do this in VB2005?...more >>

Can anyone help me out? I have some code below that writes a packet of bytes into the Serial COM. When i call the Ocp.Read (7) i pass in all 7 bytes and i can;t get it to return byte(2) and byte(3) position? The mabtRxBuf stores all the byte written in however it return an integer i want it to r...more >>

I am building a Windows app (VB.NET) that has a form that contains a panel. At runtime, the panel is populated with any number of labels that are dynamically built from a database query and placed in the panel. I want to be able to move the labels around so that none of them are overlapping. T...more >>

Hello, I have a moodest mp3 player which has a playlist as listbox1 which shows full path or each inserted file. The problem is, when a media playing is ended, i want my listbox to select automatically next (under/below) item to continue. What things can i add to that code: If Me.AxWindo...more >>

How do i parse a text file with data value in it? I have a series of values that are sepereated by commas. the file holds around 3700 values and all these values need to be parsed out and put into an array to be used. ...more >>

I have very limited knowledge of VB and am trying to convert this to list Just OU then when selected fill a text box with the full DN. I know this is a big ask but can anyone help. I know i need a filter to filter on Just OU. The code i have thus far is: Private Sub subRootNode() ...more >>

Hello everyone, im completly new to vb.net and I was assigned to do a simple piece of software that just had to select from um db in a MS access data base and insert into a SQL server Database. The structure tables are exactly the same so there's no need in data conversation. My idea was t...more >>

I noticed that I am using quite often SortedLists where I use KEYS only. when I add new elements I use something like : MyKeyObj , Nothing/Null/false Is there a collection type which is similar to the SortedList by does NOT have the Values ? And, a similar question, I have for the Di...more >>

Hi Guys, I have a VB .NET application that uses Access as the database. I have one query (qryInvoiceNumbers) which creates a join on the ColumnName InvoiceNumber in each of three tables using the same columnname (tblTaxInvoice, tblPayments and tblTransactions). The tblTaxInvoice tab...more >>

Hi, This is maybe the most stupid question you will ever read ... I'm trying to create a small application, when launched, executes just a few small tasks... No front-end is needed... How can I create a small application that triggers a few actions, but doesn't show anything (no forms) ...more >>

Dear all, First of all, I know many similar questions has been asked in this forum, however I couldn't find any answer for VB.NET or I'm not that great on VB 6.0 so I couldn't understand their answers. Second of all, most of answers are related with intranet whereas I want to find a solution ...more >>

I am developing in VS '03. I have all of the current framework versions installed on my PC, 1.1, 2.0, and 3.0. How can I make sure the code I am developing in is using the 3.0 framework version? Or do I need to be using the latest version of Visual Studio to do so? Thanks, Jason ...more >>

Hi, is there an easy way to add a picture(box) to a column in a datagridview ? My first column has a code, ex. 1, 2 or 3 According to these codes I'dd like to add a picture(box) to my second column, just at the time when I show the data in the grid. I don't save the pictures in the databa...more >>

Hi Guys, In my ASP.net application, i am display information using a dataset. e.g for each datarow in dataset.table(0).rows label.text=datarow.item("ColumnName").tostring next This works perfectly fine until i have to rename a column in my table. Obviously the easiest way to make th...more >>

Hi Does anyone know how to eject a cd/dvd on a drive? Thanx John ...more >>

Hi, I would like to develop a small application that connects to news server . Does anyone know any good tutoral ? thanx John ...more >>

All of the reports in our VB.NET 2003 application are printed on blank A4 paper, and Crystal Reports XI is used to create all the forms, logos etc on the report. We have a new user who wants to print reports (invoices) on to pre-printed stationery on a dot-matrix printer. As far as I can see, ...more >>

Hello, I have a textbox named "textbox1" and a button named "button1" How can i retrieve the console (cmd) data into textbox? For example when i run Shell("cmd.exe /k dir c:\",AppWinStyle.Hide) when pressed button1, i want the result is displayed into textbox. Thanks ...more >>

Hi, I need an app to run in kiosk mode, so user will not have access to start menu and taskbar while the app is running I was able to hide / show the taskbar with trhe following code when app starts / exits (the code is in C#, but please help me with suggestion no matter what lang you ...more >>

Hi Is there any way to make the textbox property show html, like a textarea on a webpage would?? I have a webapplication that saves an textarea complete with html tags and everything... Now i'm coding a windows application to work with the same data and i need these data to be display...more >>

I'm a C# guy tasked with fixing some bugs in VB.NET code. I've run into something that doesn't seem to make sense. I have an Object reference to a System.Windows.Forms.ToolStripComboBox Object that gets initialized and performs just fine. Now, when closing the app, this object gets Disposed....more >>

I have two classes, one that inherits from UserControl called Base. I have a second class that inherits from Base. I do not want to expose a lot of the properties of usercontrol beyond the Base control. For example, lets say I want every control that inherits from Base to have a RED backgroun...more >>

Hi, I am a C/C++/C# programmer that has inherited a HUGE VB.Net application with several VB forms. I am a mediocre VB programmer. Two separate companies are now going to be using the application. Most of the forms are fine for both companies. A few of the forms require significant modification...more >>

Hi everybody, I should create a little utility that can give the chance to view a log file, created by an external application, in .txt format; for example I could have a similar log file: 27/09/2007 15:47:00 operator1 GENERAL CYCLE STARTED 27/09/2007 15:48:19 operator2 GENERAL CYCLE SUSPENDE...more >>

Is there a way to dynamically list all System types that exist in VB.Net? I.e. I'd like to list all types in the System namespace programatically. ...more >>

I really wanted to ask can i have a book on vb.net.the name is deitel n deitel ...more >>

Hi Group, I'm to write a Ticker application that will get it's content from RSS- feed(s), the RSS-part is not part of the problem though. I've searched the web and found a few solutions here and there that creates the scrolling text, but not without flickering. I then tried to move the text i...more >>

I'm fairly new to VB.NET, and having just come from learning Java, I'm trying to locate documentation similar to that which Java has online (explaining all the different classes, etc.) Apparently VB.NET is an object-oriented language too... A page from Microsoft (http://support.microsoft.com...more >>

Although I have set the 'requiresQuestionAndAnswer' to false in the web.config I still get the error {"The password-answer supplied is invalid."} Anyone have a clue? Button handler: Dim m As MembershipUser = Membership.CreateUser(Me.CreateUserWizard1.UserName, Me.CreateUserWizard1...more >>

Hi, we used to have a resource file in VB6 and use this as a provider according to the language a user chose (English, Dutch, Spanish,....), his interface thus. In this resource file we had al labelcaptions, texts for messageboxes, etc... stored, so when the user chose for an interface in ...more >>

I have a record set of roughly 1200 records. The logic flow is like this: Dim ds As New DataSet Dim da As New SqlDataAdapter("SELECT * FROM Fax_Queue", objConnection) da.Fill(ds, "Queue") Dim dr As DataRow Dim rpt as FaxReport = New FaxReport For Each dr In ds.Tables("Queue").R...more >>

Is there any way to find out when the program was last compiled? TIA - Jeff. ...more >>

Hello, I have openfiledialog control named "openfileplaylist" and multi- selectpropert is TRUE. But although i select more than one files using "shift+arrows", i only get one file listed in my listbox. What's wrong? Code: If openfileplaylist.ShowDialog() = Windows.Forms.DialogResult.OK T...more >>