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”)
Say that you have a page loaded from another page, and that in this page you have a “Save and Return” button that does something and returns to the previous
‘ This class extends the base Exception class with a static method (callable ‘ also without creating and throwing an instance of this exception class) to ‘ log the contents
he Java Messaging Service (JMS) API, a Sun Microsystems interface for connecting Java programs to enterprise messaging middleware, is composed of multiple object interfaces with a hierarchy of relationships. The
ost graphics packages require you to format your XML data to a specific standard before they can output any charts, a method which robs you of the flexibility that makes
s companies begin to implement Web services, IT managers are being confronted with the long-term ramifications of their deployment. Namely, management and support of Web services will ensure that they
n this article, I will concentrate on the critical differences in the processing model implemented by HttpHandlers versus that implemented by HttpModules. I’ll be presenting specific coding samples as necessary
uppose you’re writing a query to find all the invoices that were written on January 6, 2003. You know from the control totals that 122 invoices were written that day.
Chapter 9?? ADO.NET XML Data SerializationXML is the key element responsible for the greatly improved interoperability of the Microsoft ADO.NET object model when compared to Microsoft ActiveX Data Objects (ADO).
Debugging is an art that every successful programmer needs to master sooner rather than later. The sad truth is that program bugs appear almost as soon as you start coding.
n a previous article, I discussed developing mobile applications using the Microsoft Mobile Internet Toolkit (now renamed “ASP.NET Mobile Controls”). Microsoft designed the ASP.NET Mobile Controls to help developers build
eaturing broad coverage of every aspect of this leading database language, SQL: The Complete Reference provides you with an overview of SQL?then shows you how to retrieve and update data,
Chapter 3: Developing Mobile Web ApplicationsIn this chapter, we’ll provide you with an overview of the mobile Web application development process. We’ll systematically guide you through some simple applications built
n this article, I will demonstrate how to write a SOAP service in C++. The service is simple and consists of two operations; one to convert Fahrenheit to Celsius, the
ne of the great advantages of being a developer is that your skills are in demand in virtually every industry. That means that when the job market dries up, developers