Visual Basic .NET Forum

I would like to have listBox or dropDown list or something similar that, when user click the button, the listBox is filtered by this letter or word if user click more than one button. Is that possible? Now it's filtered only by first letter. Thank you, Simon

Hi all, I am new in VB.NET. I am trying to develop a MDI based Application with Menu, Statusbar, Logon Dialog and Splash Screen. How Do I start with? As in VB 6.0 I used to Write the Code in MAIN Module to display the splash screen and login dialog and after login I used to open the MDI Parent window with all the menu ites set as per...

Hi every Body, I am using Crystal Reports with vb.net interacting with front end every thing fine, I still Have a doubt of the report is refreshing really or not. Dim crReportDocument As New rystalDecisions.CrystalReports.Engine.ReportDocument Dim strRecodSelectionFormula As String crReportDocument.Load("Report1.rpt")

Hi, I'm seeing something that seems extremely strange to me. All I'm doing is overriding the toString method in one of my classes, so that instances will display the way I'd like in Combo boxes and the like. But instead of calling the overridden method of the subclass, it looks like Object.toString is being called instead -- toString...

I have a program that uses multiple arrays and the memory useage is huge. After a proceedure ends is there a good way to shrink down an array's size. The same for variables.

Hey Again Group, Sorry to be a pain. I have a Access Table with 6 Coloums Which populates my Dataset. Whats the best way to print this? I was thinking Crystal reports? Could somebody point me in the direction of a How to Link? or suggest anything?

I have written several programs that need to run on different schedules. The schedules consist of multiple business rules. Until yesterday I was scheduling most of these applications through the NT scheduler, but now I can no longer do that. My Administer only will allow me to have one scheduled task that launches. So my thought was that...

Hey Again Group, Sorry to be a pain. I have a Access Table with 6 Coloums Which populates my Dataset. Whats the best way to print this? I was thinking Crystal reports? Could somebody point me in the direction of a How to Link? or suggest anything?

Hey Again Group, Sorry to be a pain. I have a Access Table with 6 Coloums Which populates my Dataset. Whats the best way to print this? I was thinking Crystal reports? Could somebody point me in the direction of a How to Link? or suggest anything?

Hi How I can debugger a thread? Thank Silvia

I have a base class with a property HasChanged and instance variable _HasChange I need HasChanged to be Public for Get and Protected for Set (so that only inheriting classes can change it I know i could make the instance variable Protected but I dont really like that and I dont want two different properies either any ideas?

Is it possible Please, don't speak any of TabStop prop Thanks in advance.

Hey Group, Hope Somebody could possibly help? I would like to be able to connect to our Windows 2000 Active Directory, download a list of users and import it into a access database? Only Problem is, if the user already exsists in the Access Table, I don`t want it to import the user again. Only the users that have been added to the W2k...

I have my three datagrids on a form (created in VS design view) and I want them to grow and have the same space from each other when I maximize or resize the form they are in. I know there's a docking property but it's nto enough.. since I have three grids that ar supposed to be aligned verticaly and if the top one gets a bigger Height it...

I have a custom class object which I'd like bound to text boxes etc on the form. All properties of the class look something like this <System.ComponentModel.Description("Get/Set value associated with Phone column")> Public Property Phone() As Strin Ge Me.CheckDisposed( If (m_IsNullPhone = True) The Throw New...

Hey Group, I keep getting this Error: An unhandled exception of type 'System.ArgumentException' occurred in system.data.dll Additional information: "Cannot set Column 'SitesID' to be null. Please use DBNull instead." On the following line of code:

Hello everyone, I am making a program at the moment, and need HELP!!!. I'll start with the database, my field's r: fldSku - which a 6 digit number, no more no less (145682) fldDescription - which is the description of a clothing fldLabel - Which is the band name of the clothing and fldPrice. k, what i need to do is, when i search for a SKU...

I use SQLNameSapce to load SqlServer2000's Data Import and Export Wizard in VB.NET. The Wizard is running normally,but when I click the next button,Nothing Happened. The CODE ...... Dim lvODatabase As SQLNS.SQLNamespaceObject = Me.mvSQLNs.GetSQLNamespaceObject(lvHDatabase If lvODatabase Is Nothing Then Exit Su ...

Hi! I tried to post this in the csharp group but didn't get an answer so I thought that maybe someone here will know how to do this - just ignore the fact that the code is csharp and not VB. I've been experimenting with server side custom validation and I can't make it work. I have a text box which I'd like to validate by sending the...

Hello. How can I check if DataSet field value is Null?

I'm using a datagrid (populated by ms access table) with a tablestyle... and when I run the program and wants to add a record It won't let me. I add the right information in all the columns and then when I leave the row disapears without any explanation. First I figured it was something in the databas, a special datatype or a mandatory...

Hi I have a datagrid with values and when I order by one column and select one row the row selected not is de correct is that the original one row before order The code is that Dim gTable As New DataTable("Response" Dim t As New DataGridTableStyle(False Dim c As DataGridColumnStyl

i have a byte array of length 8 which i need to use as a long in Visual VB .NE is there any way that i can do this?

I have a FileSystemWatcher in my application that triggers on file (*.xml) creation and renaming in a folder. When I detect a new file I should read it, but sometimes it will fail (file in use). It is an FTP server that writes the file, so it will create the file and write to it little by little. So after I detect the file, it can be a while...

How can I disable a beep when I press Enter on TexBox I'm trying this but it don't work: I do it in KeyDown event If e.KeyCode = Windows.Forms.Keys.Enter Then ' Do something ... e.Handled = True End If