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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.
uring the recent LinuxWorld conference, Linux proponents loudly celebrated Linux’ increasing importance in the world of software. It’s true that Linux has made great strides in becoming a standard part
ext processors, spellcheckers, and IDEs are just a few classic examples of applications that need to manipulate strings extensively. Web-oriented applications also make heavy use of strings for generating text,
This freeware ActiveX control makes it extremely easy to save and load controls’ property values to and from the registry or INI files. Creating a “binding” between a property and
When you use a web service’s proxy class, the calls to the web service might fail if you’re behind a proxy server. To solve the problem, you set the Proxy
‘ Return a boolean indicating whether the input connection string for the OLEDB ‘ managed provider points to a SQL Server DB” Examples:’ Debug.WriteLine(IsOleDbSqlConnString(“Provider=SQLOLEDB.1;Data ‘ Source=.;User ID=sa;Password=;Initial Catalog=MyDB”)) ‘ =>
‘ Return a boolean indicating whether the input connection string is for the’ ADO.NET’s SQL Server managed provider’ Note: the function assumes the input string is a valid OLEDB or
‘ Return the Database name if the input connection string points to a SQL ‘ Server DB, or the DB path if the connection string points to a Jet (Access)
It may happen that you have to define a lot of variable of some type, and you want the possibility to later change their type without manually change the declaration
have been an actively employed developer for almost 15 years now. I started my career in Oregon as a developer for a small property management company. I later moved to
alidating the information entered by users is an essential part of developing a professional Web-based user interface. Data validation over the Web is performed in one of two locations: on
etween April 1998 and December 2001, I was granted a 1000-word monthly soapbox on the back page of a competitor’s magazine for Office developers. The chance to rant, complain, chastise,
obility is one of those fields which everybody knows is a definite part of our future, in 5 to 10 years or so. Think again. Amber steps out of her
rior to the .NET Framework, programming encryption was sort of an obstacle race. You first had to find the right algorithm, then set up the key, and finally struggle with
eb services are all about connecting businesses in a standard and secure manner. For a real-life Web service, security is intrinsic to every facet of operation and no party would
ast issue’s article, “Using GDI+ in ASP.NET Web Applications, Part 1“, introduced basic concepts for generating images dynamically to use on Web pages. Keep in mind that the fundamental steps
he complex, component-style development that businesses expect out of modern software developers requires greater design flexibility than the design methodologies of the past. Microsoft’s .NET Framework makes extensive use of
rror handling, paying taxes, and root canals. Each one conjures up a number of negative mental images?some real, some imagined. While I cannot do much to ease the pain of
he .NET framework provides new tools to make deployment of fat client .NET applications easier. This article describes the basics of .NET Auto-Deployment technology and the security mechanism that prevents
Here’s the code: #define offset(a,b) ((int) (&( ((a*)(0)) -> b))) Step by step, here’s what it does: Type-cast 0, or NULL, into a pointer of type a. So a must
XML provides many opportunities to share and store data. One of the most common and simple uses of XML is to use it to store data used by your application.
The HTML CheckBox/RadioButton is selected only by clicking on the control and not the text associated with it. Using , you can bound the text with the CheckBox. For instance,
San Francisco?At a somewhat anemic LinuxWorld 2003 conference in San Francisco, big-corporation Linux supporters showed that Linux has grown up and “gone mainstream,” according to Peter Blackmore, Executive Vice President
This program opens connection with a specified URL and hex-dumps the contents received from an associated input stream. Use this to find out what’s going on with your browser. public
hy learn SQL? First, because most database programmers would be better programmers if they knew more about SQL. Second, because SQL programming is a valuable specialty in itself. And third,
To begin, create a table with dummy records: Create table Table1 ( [Record Value] varchar(20), [Record Date] smalldatetime)goinsert into table1 values (‘Record 1′,’07/21/2003’)insert into table1 values (‘Record 2′,’07/22/2003’)insert into table1
When designing a portion of an application that must grab users’ attention quickly&3151;such as your companys splash screen?you might want to create a nonrectangular window. This code shows you how
VBScript does not support the StrConv() function, which is useful to format strings in proper case. Use this algorithm to help you: Public Function StrConv( _ ByVal psString, ByVal plFormat)
By default, a solution has a single start-up project, namely the project that is automatically launched when you click Debug | Start or press F5. However, you have the option
When you build strings by concatenating hardcoded constant strings and variable strings, it’s easy to forget a closing double quote, and thus receive a compile time error when you launch
When you create a new ASP.NET Web Application, VS.NET by default creates a folder with the specified application name under the Visual Studio Projects folder (typically under :Documents and SettingsMy
