I have to write a program to verify email address availability. i have to verify thousand of email address. is there any way to verify the email in ..net instead. the requirement is to verify which email valid or invalid ...more >>

I was trying to use a code sample from a book I bought (.NET Gotchas by O'Reilly, author = Venkat Subramaniam). The line of code I am trying to use is the following: Dim coll As New Collection(Of Double) However, when I enter this line of code, I recieve the following error: 'Microsoft....more >>

Hello World, I have a Winform that reads records from a CSV file. It displays the record (if <field> = TextBox1.Text) and fills the other textboxes and lables with the info. So far so good. But when I give another request then nothing happens because the program has reached the End of the C...more >>

Hey... so I have a server and a client app that are both using the same .dll for communication. I've built the library, gacutil'ed it to register it... I'm up to version 1.2.6 right now. When I run the client, I get an error during one of it's methods that says: "Cannot find the assembly SMa...more >>

I'm trying to find the SID of the user who owns the desktop, but the SID that's returned isn't recognizable. Is it a problem with the declaration/marshaling? The SID that's returned is: 130000055000000010620300 which isn't like anything on this machine. The SecurityIdentifer class doesn't ...more >>

Hello, Does VS2005 have anything buildin to retrieve the Directory path for C:\Documents and Settings\UserName\Start Menu\Programs... Like an application has Application.StartupPath Or do I have to hardcode: Dim strUserID As String = System.Environment.UserName Dim path As String = ...more >>

Hello, Is there a way I can reference the button control that activated the mouseenter event? My buttons are created at runtime so i do not know any names. I was hoping to use Me.ActiveControl but this only works if the button is clicked. Thank You ...more >>

Hi, I would like split string with more than one separator, and assign the result as array. For example: "car123house123truck123" I need split my string in a array of 3 components car house truck How make that? I try the split function (<chain.split("123")>), but I get car 23...more >>

I have a Windows Application and I want to load another form when the user clicks a menu item. I am currently in Form1 When I click on the menu, the code is Form2.Show Me.Dispose ------ In Form1 I have the following two routines, but they never get called. I put a breakpoin...more >>

hi, im trying to figure out how to convert this [SecurityPermission(SecurityAction.LinkDemand, UnmanagedCode = true)] private SafeFindHandle() : base(true) { } to VB....the : base(true) { } is messing it up.....any help would be great -- -iwdu15...more >>

I've created and deployed a VB.Net 2005 Application. I have it set as a FullTrust (ClickOnce) application. The install point is on a network server. I did not run into this issue at all while testing, but now that the application is deployed about 1 in every 10 computers get this error wh...more >>

I am using the Microsoft Press training kit for the Framework 2.0 exam. It has the following example for putting text into a font and drawing it. I created a new Windows Application. But where do I put the code? The book does not say -it assumes the reader knows. I tried the form.load event a...more >>

Hello, Please help a VB newbie :) I'm a bit confused, reading all the MyClass, Me, My keywords of VB. I think I get MyClass and My, but Me... Can you just tell me if I get this correctly? "Me" in VB (6, 7, 2005) is exactly like "this" in C# or C++. Its meaning hasn't changed since VB 6. Tru...more >>

HI, I have a set of dynamically created buttons and textbox's. Each button is linked to a textbox using the accessiblename property. I want to show a button tool tip containing the text box's text. My code so far is below although i know this wont work! any help is greatly appreciated. ...more >>

Hello Everyone, I'm trying to send a text string to a dialog edit control using SendMessage and WM_SETTEXT and cannot get it working correctly. Here is the declaration of the function: <DllImport("user32.dll", EntryPoint:="SendMessage", SetLastError:=True, CharSet:=CharSet.Auto)> _ Pri...more >>

I'm trying to get the cursor changed to a hand whenever it stops in the form, and have it changed back to default whenever the mouse moves. So the common sense is to use the mousehover and mousemove event. The problem with using mousehover event is the event is triggered only once after the m...more >>

HI, I have a set of dynamically created buttons and textbox's. Each button is linked to a textbox using the accessiblename property. I want to show a button tool tip containing the text box's text. My code so far is below although i know this wont work! any help is greatly appreciated. ...more >>

I am trying to connect to an Oracle 10.2 database with vb.net and am getting the error: ORA-1215: TNS:could not resolve service name My connection string is: "Data Source=geobridge;UID=dba_geo_bridge;PWD=waterh0le" and the datasource uses an {Oracle in OraClient} driver. I have been ...more >>

How do I clear all the elements in my array? Is there a command to do this?...more >>

Hi, How can i increase the mousehover event timer? AddHandler NewBtn.MouseHover, AddressOf Shownotes Private Sub Shownotes(ByVal sender As System.Object, ByVal e As System.EventArgs) MsgBox("ttt") Thanks!!! ...more >>

Hi, In my object oriented application (VB.NET 2.0, Windows Forms), a lot of objects are opened in different forms by a user. For instance (a stupid exemple, but it shows the easiest what's happening): -> two instances of the Company-Object: MyCompany1 and MyCompany2, both of them are poit...more >>

Hi How can I find which version of Access is installed on a computer from within a vb.net application? G ...more >>

I retreive files from the clipboard as below. Dim DObj As IDataObject = Clipboard.GetDataObject If DObj.GetDataPresent(DataFormats.FileDrop) Then Dim files As String() = _ CType(DObj.GetData(DataFormats.FileDrop), String()) This work fine but now I need to know if the user sel...more >>

Hi, I am new to VB.NET. I try to start my first project linking to an Access database. On my Form1, I have two fields (bound), Subject and Author. This was done by draginf the table into the form. Since the author name are mostly the same, I want to change this field to a dropdownlist but I...more >>