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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
Question: How do I determine the Windows directory? Answer: The API call to use is “GetWindowsDirectory”. The Declare statement is listed in the the Windows 3.1 API help and the
Question: Could you (easily) please tell me what .FRX files are in VB?I’d be forever grateful. Answer: FRX Files are displayed in Windows 95 as Visual Basic Form Stash Files.
Question: I added records to a list box using the datacontrol. Now I would like to use the list1_dblclick procedure to access the recorddblclicked and use it. I know there
Question: I semi-understand InStr, however, lets say I am trying to parse e-mail addresses and test for “@”. How do I find my way to the beginning and end of
Question: How can I make my program totally exit Windows? When the user hits “Quit Windows”, I want Windows to exit. Answer: Use the ExitWindows API function. The declare statement
Question: How do I delete a record with the data I’ve selectedin a DBListBox (VB4.0). If I use the e.g. Findfirst command I get the message:“The action was cancelled by
Question: I am using the data control through the Standard Version of Visual Basic 4.0. The data control is linked to a table in our database and when I try
Question: How can I make it so that a form will stay on top until the user presses a button? For example, an error message pops up, the user can’t
Question: I want to make a list-combo visible but, I can’t get using API function :SendDlgItemMessage.What is “hDlg” in the following declaration?Declare function SendDlgItemMessage Lib “User” (Byval hDlg as Integer,
Question: How do I save an OLE object into an Access database without using a data control and the OLE OCX? Answer: You should look at the AppendChunk and GetChunk
Question: I having trouble using strings and text. I am writing a document creation system and all the text in between the “” char. would be red. All other text
Checking for Daylight Savings Time is one of the most common date checks developers perform. .NET provides an easy method to do this. In .NET
f you have ever dreamed of being a game developer (honestly, who among us has not toyed with the idea at least a little?), this
echnologies such as the xUnit framework, combined with Maven, BuildBot, or CruiseControl, enable unit testing under continuous integration, which gives developer productivity a huge boost.
pple’s iPhone has taken the nation by storm. An alleged half million moved from the shelves into people’s pockets in the first weekend it went
hope you’ve been following the growing interest in semantic technology and reading the articles on DevX’s Semantic Zone, and feel ready to try out semantic
hen you want to build a simple form—something with a set of fields and perhaps a table of repeating fields—it’s easy to pick up InfoPath
ource code reviews and inspections have long been considered economical methods for rooting out functional and design flaws in code even before applications make their
ASP.NET AJAX (formerly called Atlas) is a new free framework from Microsoft designed to let developers add Asynchronous JavaScript and XML (AJAX) features to ASP.NET
To call an SAP function module from a Java application, you first need SAP JCo (Java Connector); you can download it from SAP’s site, though
Use the following code to insert an XML Schema into an XQuery query. The following code assumes that the XML Schema is: file:///C://Data_Local//xml//docs//AirWings_xslt_xmlschema.xsd and the
The form class’ ShowDialog method functions differently than its Show method. Here’s how: ShowDialog‘s returned value can be used to determine how the user closed
ow many software tasks DON’T involve querying data? Answer: very few. Developers work all the time with database data, XML data, .NET DataSets, collections, lists,