Hi All I don't have smtp server and my email is hotmail and I am looking for smtp server so I will be able to send emails using .NET. Is there any server out there that I can use? Thank you in advance, Shmuel ...more >>

I am doubtful about some point or confuse on design program. User A run Invoice form, Load the current month data into the dataset. ADMIN want to lock some invoices , so ADMIN just update the dataset in his "admin form" Now, if USER A never exit the form, He can amend the record everytimes. Doe...more >>

The 12 years old genius function to count english words in a sentence: ' This is my function to count english words in your string ' s is the string with your words to be counted ' Returns an integer as the number of words found Public Function iCW(ByVal s As String) As Integer ...more >>

Does anyone know how to retrieve the system serial number? I'm writing an auditing program and need to grab that little bit of info. Thanks! ...more >>

hi there, Does anyone know which event is been called after any column hearders had been clicked? My problem is that the data grid lost selected the row and started an endless loop after I clicked any columns header in the data grid. thanks Jeff ...more >>

Hi, I'm using a class and binary formatter to store data in files. For example.. Dim FPs As New StuctureDataFile() Dim FileStream As Stream = File.Open(pfile, FileMode.Open) Dim FileFormatter As New BinaryFormatter() FPs = DirectCast(FileFormatter.Deserialize(FileStream), StuctureDataFil...more >>

Hey all, I was wondering, can I databind my text box to an array, if so what would my datasource and member look like? thanks in advance, rodchar...more >>

Hi, After doing a bit of googling, it seems everyone refers to the article "Managing Low-Level Keyboard Hooks in VB .NET" Written by Paul Kimmel - http://www.developer.com/net/net/article.php/11087_2193301_1/ When I implement this in a VB.NET Windows Forms application in Visual Studio 2...more >>

how to iterate through the members of an Enum ? Enum EnumAction None = 0 Action1 = 1 Action2 = 2 Action3 = 3 Action4 = 4 End Enum Dim vAction As EnumAction For Each vAction In Enum1 .... Next vAction triggers error " 'EnumAction' is a type and cannot be used in an expr...more >>

Hey all, I noticed that the listbox event "SelectedIndex_Changed" runs on form load by default. Is there a way to by pass this until you actually have data in it and are ready for selected index change event in your code or am I missing the point? thanks in advance, rodchar...more >>

I don't usually create installers for my projects cause we have dotnet on all our machines and I normally just copy the exe and any required Dll's to the folder where I want to run. Normally I just stick application.startuppath to create dynamic paths but I can't seem to get this to work on my ...more >>

What I thought would be pretty easy has turned out not to be. I have three variables. Actiontime is formatted as 08/11/2004 11:03PM Actiontime JobStreamStart (11:00:00PM) JobStreamEnd (2:00:00AM) If (Format(CDate(ActionTime), "t") >= JobStreamStart AND (Format(CDate(ActionTime), "t") < ...more >>

We got a windows form application that we wrote in VB.Net. Essentially its a manager for a list of persons and their contacts and some other info about the persons. No rocket science but lots of textboxes and comboxes to use lookup lists, some tab controls allow viewing of data about a person ...more >>

Hi all, I'm wondering is it possible to retrieve (or save) data from database and display it in a calender format? If it can be done can you post a sample code or point me to some web site with tutorial/exapmle? Thanks~ K.K ...more >>

This real novice VB.NET programmer wants to put a "scatterplot" (just a bunch of dots) on his form. There'll be other stuff on the form too, but it's the scatterplot which I need your help on. Is PictureBox the way to go? If so I am not finding any SIMPLE examples using PictureBox in VB.NET. ...more >>

I'm looking for a .NET diagramming component to draw process flowsheets in a WinForms app. My first idea was to use the Visio ActiveX drawing control, which has proven to be kludgy at best. I've also looked at two purely .NET components, Syncfusion's Essential Diagram and Northwoods GoDiagra...more >>

I need to compute the MD5 hash on VERY large files 500mb to 4gb+ I have found two ways but neither one of them does what i need. Private Function ComputeDataMD5(ByVal path As String) As String Dim fi As New FileInfo(path) Dim fs As FileStream = fi.OpenRead() fs = fi....more >>

I need to create a program that searches google automatically with the search phrase i enter and return the results. Does anyone know of any existing source to search these engines and display or log the results? Or any information on how to achieve this? Thanks! -Joe ...more >>

I would like to create the program, which will zip one file on computer, copy it to the disk on the other computer and unzip it there. How can I do that? Any example? Thank you, Simon ...more >>

Hi, I am a VB.net beginner, I do not know what are the major difference between Module vs Class. Could someone guide me when is the best situation to use Module or Class. I have no idea when should I use module or class, because no matter i use module or class, i always could get the re...more >>

Ciao a tutto il ng. Ho una domandina bella bella e magari stupida, ma non so come fare. Ho progettato una classe e vorrei che quando la si utilizzi compaia una descirione degli argomenti richiesti. E' possibile? Se si come? Grazie ...more >>

If I know the "title" of an open window of an application running on the same PC that my application is installed, say for example "Window abc", what's the best method of getting my vb.net to "switch" to that window as if I'd clicked on the taskbar or pressed ALT+TAB? It should be simple, b...more >>

In vb 6 you use to be able to create an array of objects and I can't seem to figure this out in .NET. I figured you can't make this but I was wondering how I could do it if I had for instance 3 objects named Object1, Object2, and Object3. Then I would do something like this For n = 1 to 3...more >>

This has to be really simple but I can't figure it out. I'm trying to check to make sure the dataset in not null and a single character string doesn't equal two characters. I want it to stop if it is null and stop if the string doesn't equal i or or? If either one is true then run sub. What ...more >>

Hi, all! What is the method for either testing for rows in a recordset or returning the number of rows in a recordset from a populated Adapter or from a DataSet? I know you can use HasRows with a Reader, but I can't use a Reader in this particular instance... Thanks! Jack ...more >>

Hello, Say I write a picture file to: 'c:\test.jpg' Then I assign this picture to a picturebox PbFoto.Image = Image.Fromfile("c:\test.jpg") Next I want the overrwrite the file test.jpg with another picture. When running, he says the file is in use when I want to overwrite it. (if not a...more >>

I know there are lots of these out there, but I'm looking for two source code utilities: 1. Something that can sift through source code and dead code, unused variables, analyze inheritance, dependency and calling chain structures and give me diagrams. 2. A comment-driven documenter for V...more >>

I have try the below and the problem is my xmlstring is something like "<employee name="Joh"n"> strXML = Replace(strXML, "&", "&amp;") strXML = Replace(strXML, "<", "&lt;") strXML = Replace(strXML, ">", "&gt;") strXML = Replace(strXML, "'", "&apos;") strXML = Replace(strXML, """", "&quo...more >>

Hi, I save the hashcode of a datatablerow. How do I use that hascode to get to the original datarow? Thanks Frank ...more >>

I have just returned to my first vb.net project after a few weeks and find I have a problem with Msgbox. The commands I added earlier work OK but any new ones fail to show the prompt value or a narrative on the button. So the line MsgBox ("Hello World",0,"My App") displays a box which do...more >>

Well, I'm still wondering around in the "land of the lost exception"... It seems that controls that are bound to a class and the class throws an error in the SET method of the bound member, the exception cannot be caught. I have wrapped my entire application in all the global exception handlers...more >>

How do I check to see if a file directory is empty? If (System.IO.File.Exists(*.*)) Then pnlMyPanel.Visible = True End If -- _____ DC G ...more >>

In a tool bar click event procedure, how do I access the tag value of a tool bar button to determine which button has been clicked. I know how to access the index value to identify the button but I want to use the tag value instead....more >>

I am working on a windows service that will do the following: Run at a predetermined time Map a network drive Run several DTS packages on a SQL server. I am having problems coming up with a way to map the network drive via code using vb.net. The mapped drive is required for the DTS tasks ...more >>

I wish to make a user control and i want the background to be transparent so if I put it on top of something it doesn't show gray. How can I do this? ...more >>

I want to make some cleanup in my application. Is there any tool that would show me methods that are NOT used in my solution ? -- Adam Nowotny JID: daft@chrome.pl GnuPG key 0x42D56D98 at hkp://blackhole.pca.dfn.de...more >>

Is there a mechanism to montior a POP3 mailbox, then add the messagesa to a database? If not, I'm assuming that I'd need to build a service that would poll the POP3 account periodically, then process accordingly. Thanks, Craig ...more >>

If I have a multidimensional array, such as array1(5, 3), and I want to find the length of the first section (the 5), can I just use array1.length, or would that return 15 (5 * 3) instead of 5? Thanks in advance. ...more >>

Hi, I am new here. I am facing a problem that I can't connect to MS Access with my Web application written in VB.Net. It gives me this kind of error: The Microsoft Jet database engine cannot open the file 'E:\DATA1.mdb'. It is already opened exclusively by another user, or you need permission ...more >>

Salve, having inherited from Inherits= System=2EWeb=2EUI=2EWebControls=2EWebControl, I want to hide some= properties and methods=2E So I set<Browsable(False),= EditorBrowsable(EditorBrowsableState=2ENever),= DesignerSerializationVisibility(DesignerSerializationVisibility=2E= Hidden)> _ i...more >>

What's wrong with this: Dim myip() As Byte = {127, 0, 0, 1} Dim ip As New System.Net.IPAddress(myip, portNum) I am getting a runtime exception with additional information "address" ?...more >>

Hi Everyone! Currently, I am writing an application that uses a lot of bitmaps. I would load a image by specifying "a path" on my hard drive. I would however like a better solution --- don't like the fact that the images are exposed so publicly. Any ideas? Dayne ...more >>