In VB, we can use a function/sub call to return results by passing parameters by reference (although it Related Posts Rising cloud costs challenge digital transformationOpen-Source vs Proprietary AI: Epic
The path returned by App.Path is inconsistent. If the program is running in a root directory, the path will have a backslash on the end. Otherwise, it won Related Posts
n RSS XML feed is an extremely simple way to let external sites link to content on your Web site. If you’re looking for a fast, painless way to do
This script gives a preview of an image file selected for upload (even before the upload process takes place). It works in both IE and Netscape. This way, users can
Ever want to use the Common Dialog “ShowOpenDialog” but were frustrated because it required that Visual Studio be installed on each user’s PC?Here’s an alternative written in VBScript that can
ust before Christmas, in an annual telebriefing designed to predict future technology trends, John Gantz, chief research officer of International Data Corp. (IDC), in Framingham, Mass., remarked that “a major
“The entire history of software engineering is that of the rise in levels of abstraction” said Grady Booch in his talk “The Limits of Software.” Today, we’re at the beginning
he previous lesson in this series (Learning to Animate in Macromedia Flash MX) introduced you to the Timeline and Keyframes?the basic building blocks of Flash MX animation. After this lesson,
revious articles in this series discussed ways of making development of Web services more efficient and the applications themselves highly manageable once deployed. But there is more that developers can
This ActiveX control enables browsing of Visual SourceSafe databases in form of a hierarchical tree. The control supports partial hierarchy loading to prevent delays while working with databases containing large
Sometimes you may want to gather the user input with a page, and process it in a different page. As you know, ASP.NET web forms can post only to themselves,
It is usual for a web form to have more than one button control. How can you set the default button that should submit the form and raise its Click
In a typical user registration form, you may ask for quite a lot of data, such as the first and last name, full address, phone and fax numbers, e-mail address,
If you want to share a value or an object instance between all the pages of any session, you typically use the Application object. However, a good alternative is to
Uploading a file from the client to the server is very straightforward with ASP.NET. Just use the tag and its wrapper class HtmlInputFile. Here’s how you define the control on
recently tested one of my J2ME MIDlet applications on a Sprint Vision handset. Once on the handset, the application ran great and I needed to make only a few changes
few weeks ago I was talking to someone about the origins of Java when I realized that I had big gaps in my knowledge of Java’s history. Trying to fill
When dealing with COM, unfamiliar database schemas, or regular code, sometimes you will find yourself wondering whether to test if a variable is Null by using either: IsEmpty(varname)IsNull(varName)If varname =
Defining a UNIQUE constraint on a computed column is a straightforward process, as the following example shows: CREATE TABLE T1 (col1 int NOT NULL,col2 AS col1 + 1 UNIQUE) However,
There is no T-SQL function for getting product of rows in a particular column. For example, say you had a table like this: –/////////////////////////////select * from #tbltest order by mydate
I’ve been bitten by MSVC++’s inability to have templated methods without the whole class being templated and today I figured out a workaround that allows you to maintain most of
Sometimes a program crashes or simply misbehaves on release builds. This is very frustrating because usually you have to ship the optimized release version. The most common reason for this
An application’s memory footprint grows over time and may eventually cause the application to crash. There are many things that lead to a slow memory burn. One of these is
Burlingame, CA?Mergers and acquisitions happen. IT environments expand as new applications are added to keep pace with business goals. New technologies spring up, as others that were once the latest,
Say you need to change the look and feel of a JSP page being loaded, depending upon the calling URL. You can use hidden form fields to determine the look
eb services are more complex to deploy than Web sites or intranet applications. They are based on intricate platforms, or runtime environments that, like any software, can have their own
Join the DiscussionGo to this threadvb.generalDiscussions Homepage roblem #1Jerry Nesbett asks: “Is there a function in VB6 that would convert a string date to a numeric date? In other words,
‘ A base data class that makes it much easier for derived classes to run a ‘ stored procedure to retrieve data or execute a SQL command. (See usage ‘
When you add a user control to an ASP.NET page, Visual Studio .NET does not add a control declaration as it does when you add standard ASP.NET web controls. The
‘ Log an error/event to the Windows NT/2000 Application Event Log.’ Usage: LogEvent(“Message here”, EventLogEntryType.Information)Sub LogEvent(ByVal message As String, ByVal entryType As EventLogEntryType) If EventLog.SourceExists(Application.ProductName) = False Then EventLog.CreateEventSource(Application.ProductName, “Application”)