Since 1998, DevX has helped people start businesses, build websites, and provide enterprise technology to people globally. Interviewing the likes of Microsoft’s co-founder, Steve Ballmer, the publication brings comprehensive, reliable, and accessible insights to the Internet.
Question: I have a application developed by VB 3.0(prof) and Access 1.1 withinVB. I use a lot of dynaset objects in the program. Now I want to transferit to a
Question: I have a Access table and I want to pull from that table one of each type and place it into a combo box using SQL. How can I
Question: How do I control the size of a form? Answer: Either set it at design time, or use the Width, Height, Top, and Left properties to set the form
Question: Just recently I noticed that if I close my app while it is minimized, the app seems to be left in memory and is still recognized by Windows as
Question: What graphic file formats does VB support? Does it support the GIF format? Answer: Visual Basic supports the Windows Bitmap (.BMP), the Windows Icon (.ICO), and the Windows Metafile
Question: I am getting the error: INCORRECT NUMBER OF EVENT PROCEDURE ARGUMENTS. This has been occuring ever since I created a control array of command buttons. I have to complete
Question: I have a 3D Panel on a form that fills in incrementally when certain operations are run. I expect that the panel should be visible when the form appears
Question: I am trying to put a counter in my program which will keep track of how many times a command button is pressed.I know it is simple but I
Question: When I edit my .RTF file in Microsoft Word 6.0, the help compiler gives me an error saying “This application has violated system integrity due to an invalid fault
Question: I’ve developed an application using VB4.0, but I can’t distribute it because the installed application breaks on any reference to dbEngine object.In my machine the application runs perfectly, but
Question: Is it possible to edit a VB3 executable at runtime, i.e. inserting Registered user name and serial number information into the executable so that it can come up when
Question: I am looking for a easy way to implement security in a VB4 application with multiple users (100+). I would like to be able to enable/disable controls at login
Question: I’m trying to delete a set of records in a table attached to a data control by using an SQL statement like the following: MergeRec.Data1.Database.Execute “DELETE Patient Visit WHERE
Question: How I peek and poke on Visual Basic 3.0, or is there a replacement available for the INP/OUT functions? Answer: In my File Archives area, I have a file
Question: I am developing a VB3 app. I want to update an ACCESS 2.0 table weekly, in code, with a text file that is down-loaded from a VM mainframe. I
Question: I wanted to create a front end GUI panel using VB. This panel would have command buttons, and a picture box. When the user clicks on a command button,
Question: How do I compare dates in VB? Also, how do I store dates into Access? I can’tget them into the right format. Answer: For comparison of dates, look up
Question: I am a beginner programmer with VB 3.0 Standard Edition. I am not very familiar with the Common Dialog VBX (CMDIALOG.VBX). I am designing a Recipe Book program and
Question: In my “Save As” dialog box (from CMDIALOG.VBX), my OK button and Cancel button both save work. How do I recognize when the userpresses the Cancel button? Answer: One
Question: I need a 3D bound text box control so I can avoid having to place standard text boxes in 3D panels for a chiseled effect. I have been unable
Question: I am currently migrating my VB/Access application to Microsoft SQL Server. However, the “SEEK” function in my old program does not work any more and I can not find
Question: I am currently writing and testing an installation program which will soon be distributed. During the this process, I edit the SYSTEM.INI file. Most Windows software willallow you to
Question: I have an established Access v2.0 database with fields intables named “Circuit ID”, for example. How can I use VB v3.0 to query this database without changing all references
Question: I have been attempting to write some code that acceptsinfo from text boxes labeled “Login” and “Password.”I then need to check the password up to x amount of timesbefore
Question: How do I use 3D effects on message boxes and common dialogs? Answer: Here is the code you need, in the form of two simple functions. Please note that
Question: How do I write VB code to copy one file to another? Answer: You can either use the FileCopy Visual Basic command, or use the method outlined elsewhere in
Question: How do you control whether the window title bar is visible or not visible on each form when the application is running? Answer: If you set the caption to
Question: I am having trouble transferring a bitmap that I loaded withthe LoadBitmap call from a resource to a picturebox. Howdo I do that? Answer: The LoadBitmap call returns you
Question: I have two forms. There is a combo box on Form1 and a list box on Form2. Form1 has functions to add and delete names from the combo box.
Question: I want to read the MSMAIL.INI file to get information for my program when it starts, and write information there when the program is terminated. I am looking at
he dilemma is common. Your web site starts out by design with a few pages of content—a front page, a products page, perhaps something about
ecently, I was consulting on a Windows Mobile project where the client asked if it is possible to send images using SMS messaging. After searching
oogle Earth (GE) provides a powerful 3D environment that you can use to provision your application with rich interactive 3D features. You can render points,
Many of us write common graphics code in the Form’s Paint event because the Paint Event handler provides access to the Graphics object, and also
A “component” in Hibernate is an object persisted as a value, not an entity reference. For example, suppose you have a Car class, like this:
We all know about the function overloading feature in C++, which allows us to have the same name given for a function with different signatures
y default, the .NET Framework includes a number of classes that convey information about exceptions generated by the application. Whenever an error occurs in a
lain old Java object (POJO)-based architectures and lighter-weight development models using tools such as Spring and Hibernate have gained considerable acceptance in the enterprise Java
icrosoft Expression Blend is a new full-featured design tool for creating highly-interactive and sophisticated Windows application user interfaces using Windows Presentation Foundation (WPF). With Expression
“hese days if you look at the way a lot of shops work, they have really two kinds of people that go into developing web
Microsoft implemented many new features in SQL Server 2005, including an impressive set of language enhancements. From new language statements for SQL-99 compatibility to new