Question: How can I go about reading in a (comma-delimited) text file and comparing it to an existing table? If there is a match on the key field, the row

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A Visual Basic class module provides an Initialize procedure. The code you write in Initialize is executed when the Visual Basic object is created. However, Initialize is always executed before

Without error handling, any ASP (Active Server Pages) error is fatal as it will stop the execution of your page. To bullet proof your ASP, you can add error handlers.

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Question: How would a person make a patch to upgrade their software in VB6? Answer: The best way to do this, with the least amount of work, is to use

Question: I copied the following code from a good book on e-commerce, but the VB code (Visual Studio 6.0 Enterprise) gets an error on the Dim rsBankData line “User-defined type

Question: I have a barcode saved as a GIF that is truncated each time it is printed from Netscape. It prints fine in Internet Explorer and Netscape 4.04 but does

When multiple clients perform batch updates against the same database table, ADO by default raises a conflict when different users modify the same field: in other words, if two users

ADO includes the capability to work with disconnected Recordsets, which is a great way to save database connections. The typical sequence when working with such Recordsets is as follows: (1)

Under VB6 you can create new SQL Server and Oracle tables – but not MDB tables – without leaving the environment. You only have open the DataView window, right-click on

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‘ Check if a value is Null. If not it returns the value, ‘ otherwise it returns the ValIfNull argument, or zero/null string’ if the second argument is omitted” This

ADO lets you create a Recordset without creating an explicit Connection object, using the following syntax: Dim rs As New ADODB.Recordsetrs.Open “Authors”, “DSN=Pubs” If you later want to create another

Everyone tells you how to import, but even MS-VB techs start coughing when you ask how to export with DAO! In fact, their own documentation clearly states that it can

Using Java, you can easily find out what Web server is installed on a remote machine. Just open a URLConnection to the remote host and parse the header for the

There are a lot of graphics packages for Web pages on the market, but sometimes you still want a homegrown solution. Using just HTML, it is possible to create simple

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Imagine you have to write a simple stock quote application that accepts stock symbols and retrieves their current values. Using a std::string object to represent a stock symbol is inefficient

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How would you like to be able to make a form automatically resize and reposition all its controls and fonts whenever you resize the form? How would you like to